{"id":105840,"date":"2025-04-13T12:42:57","date_gmt":"2025-04-13T08:12:57","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/"},"modified":"2025-04-13T12:42:57","modified_gmt":"2025-04-13T08:12:57","slug":"%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/","title":{"rendered":"\u0633\u06cc\u0633\u062a\u0645 &#8220;MMAP&#8221; \u0628\u0631\u0627\u06cc DBMS \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f"},"content":{"rendered":"<div data-article-id=\"2403762\" id=\"article-body\">\n<p><strong>\u0645\u06af\u062f<\/strong>\u060c \u06a9\u0647 \u0645\u062e\u0641\u0641 \u0627\u0633\u062a <strong>\u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u062d\u0627\u0641\u0638\u0647<\/strong>\u060c \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0641\u0636\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0645\u062c\u0627\u0632\u06cc \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u0648\u0627\u0631\u062f \u062e\u0627\u0635 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06a9 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0627\u0648\u0644\u06cc\u0647 (\u0645\u0627\u0646\u0646\u062f RAM) \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u0646\u062f \u060c \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0633\u0631\u06cc\u0639\u062a\u0631 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a \u060c \u0645\u06cc \u06af\u0648\u06cc\u0646\u062f HDD \u06cc\u0627 SSD.  <\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>mmap()<\/code> \u062a\u0645\u0627\u0633 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0627\u06a9\u062b\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627\u06cc \u0645\u062f\u0631\u0646.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#MMAP_%DA%86%DA%AF%D9%88%D9%86%D9%87_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF%D8%9F\" >MMAP \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%85%D8%AB%D8%A7%D9%84_C_%D8%A8%D8%B1%D8%A7%DB%8C_MMAP\" >\u0645\u062b\u0627\u0644 C \u0628\u0631\u0627\u06cc MMAP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B2_MMAP_%D8%AF%D8%B1_DBMS_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 MMAP \u062f\u0631 DBMS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%85%D8%AD%D8%AF%D9%88%D8%AF%DB%8C%D8%AA_%D9%87%D8%A7_%D9%88_%D8%A7%D8%AD%D8%AA%DB%8C%D8%A7%D8%B7_%D9%87%D8%A7\" >\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627 \u0648 \u0627\u062d\u062a\u06cc\u0627\u0637 \u0647\u0627<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%DA%A9%D9%86%D8%AA%D8%B1%D9%84_%DA%A9%D9%85%D8%AA%D8%B1\" >\u06a9\u0646\u062a\u0631\u0644 \u06a9\u0645\u062a\u0631:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_IO\" >\u0627\u0644\u06af\u0648\u0647\u0627\u06cc I\/O:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%82%D9%88%D8%A7%D9%85_%D9%88_%D9%87%D9%85%DA%AF%D8%A7%D9%85_%D8%B3%D8%A7%D8%B2%DB%8C\" >\u0642\u0648\u0627\u0645 \u0648 \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%82%D8%A7%D8%A8%D9%84%DB%8C%D8%AA_%D8%AD%D9%85%D9%84\" >\u0642\u0627\u0628\u0644\u06cc\u062a \u062d\u0645\u0644:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%85%D8%AD%D8%AF%D9%88%D8%AF%DB%8C%D8%AA_%D9%87%D8%A7%DB%8C_%D9%81%D8%B6%D8%A7%DB%8C_%D8%A2%D8%AF%D8%B1%D8%B3\" >\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0641\u0636\u0627\u06cc \u0622\u062f\u0631\u0633:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_MMAP_%D8%AF%D8%B1_DBMS\" >\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 MMAP () \u062f\u0631 DBMS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#advents_%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D8%A8%D8%A7%D9%84%D9%82%D9%88%D9%87\" >advents \u0645\u0632\u0627\u06cc\u0627\u06cc \u0628\u0627\u0644\u0642\u0648\u0647:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%E2%9A%A0_%D9%85%D8%B4%DA%A9%D9%84%D8%A7%D8%AA_%D8%A7%D8%AD%D8%AA%D9%85%D8%A7%D9%84%DB%8C\" >\u26a0 \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%F0%9F%93%8C_%D9%85%D8%AB%D8%A7%D9%84\" >\ud83d\udccc \u0645\u062b\u0627\u0644<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%AF%D8%B1_%D8%AF%D9%86%DB%8C%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C_LMDB\" >\u0645\u062b\u0627\u0644 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc: LMDB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/%d8%b3%db%8c%d8%b3%d8%aa%d9%85-mmap-%d8%a8%d8%b1%d8%a7%db%8c-dbms-%d9%81%d8%b1%d8%a7%d8%ae%d9%88%d8%a7%d9%86%db%8c-%d9%85%db%8c-%da%a9%d9%86%d8%af\/#%D8%AE%D9%84%D8%A7%D8%B5%D9%87\" >\u062e\u0644\u0627\u0635\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"MMAP_%DA%86%DA%AF%D9%88%D9%86%D9%87_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF%D8%9F\"><\/span>\n<p>  MMAP \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648\u0642\u062a\u06cc \u06cc\u06a9 \u067e\u0631\u0648\u0646\u062f\u0647 \u0627\u0633\u062a <strong>\u062d\u0627\u0641\u0638\u0647 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc<\/strong>\u060c \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0646\u0686\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u062f \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u062f \u060c \u0648 \u0622\u0646\u0686\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u062f \u062f\u0631 \u062f\u06cc\u0633\u06a9 \u0646\u06af\u0647 \u062f\u0627\u0631\u062f \u060c \u0645\u06cc \u06af\u0648\u06cc\u062f.  <\/p>\n<p>\u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u06a9\u0644 \u067e\u0631\u0648\u0646\u062f\u0647 \u0631\u0627 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0639\u0648\u0636 \u0628\u0627 \u0637\u06cc\u0641 \u0648\u0633\u06cc\u0639\u06cc \u0627\u0632 \u0622\u062f\u0631\u0633 \u0647\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0645\u062c\u0627\u0632\u06cc \u0647\u0645\u0631\u0627\u0647 \u0627\u0633\u062a.  <\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0647 \u067e\u0631\u0648\u0646\u062f\u0647 \u0627\u06cc \u06a9\u0647 \u062d\u0627\u0641\u0638\u0647 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u0645\u06cc \u062e\u0648\u0627\u0646\u062f \u06cc\u0627 \u0645\u06cc \u0646\u0648\u06cc\u0633\u062f:<\/p>\n<ul>\n<li>\u0627\u06af\u0631 \u0635\u0641\u062d\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0634\u062f\u0647 \u0628\u0627\u0634\u062f &#8211; \u0645\u0648\u0641\u0642\u06cc\u062a\n<\/li>\n<li>\u0627\u06af\u0631 \u0646\u0647 \u060c \u067e\u0633 \u0627\u0644\u0641 <strong>\u062e\u0637\u0627\u06cc \u0635\u0641\u062d\u0647<\/strong> \u0631\u062e \u0645\u06cc \u062f\u0647\u062f \u060c \u0648 \u06a9\u0646\u062a\u0631\u0644 \u0628\u0647 <strong>\u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0637\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644<\/strong> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646:\n<ol>\n<li>\u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u06a9\u062f\u0627\u0645 \u067e\u0631\u0648\u0646\u062f\u0647 \u0648 \u062c\u0628\u0631\u0627\u0646 \u0628\u0627 \u0622\u062f\u0631\u0633 \u06af\u0633\u0644 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u062f.<\/li>\n<li>\u0627\u06cc\u0646 \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u062d\u0627\u0641\u0638\u0647 \u0641\u06cc\u0632\u06cc\u06a9\u06cc (\u0627\u0632 RAM) \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc \u062f\u0647\u062f<\/li>\n<li>\u0628\u0644\u0648\u06a9 \u067e\u0631\u0648\u0646\u062f\u0647 \u0645\u0631\u0628\u0648\u0637\u0647 \u0631\u0627 \u0627\u0632 \u062f\u06cc\u0633\u06a9 \u0628\u0647 \u0631\u0645 \u0645\u06cc \u062e\u0648\u0627\u0646\u062f<\/li>\n<li>\u062c\u062f\u0648\u0644 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0635\u0641\u062d\u0647 \u0645\u062c\u0627\u0632\u06cc \u0628\u0647 \u0635\u0641\u062d\u0647 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062a\u0627\u0632\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0634\u062f\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0622\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f <strong>\u0641\u0642\u0637 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc<\/strong> \u06cc\u0627 <strong>\u0642\u0627\u0628\u0644 \u0646\u0648\u0634\u062a\u0646<\/strong> \u0628\u0631 \u0627\u0633\u0627\u0633 <code>PROT_*<\/code> \u067e\u0631\u0686\u0645 \u0647\u0627\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644 \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u06a9\u0647 \u062d\u0627\u0641\u0638\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f <strong>\u0635\u0641\u062d\u0627\u062a \u06a9\u062b\u06cc\u0641<\/strong>\u060c \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0627\u06a9\u0633\u067e\u0644\u0648\u0631\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0627\u0648\u0644\u06cc\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a\u06cc \u062f\u0631 \u0622\u0646\u0647\u0627 \u062f\u0627\u0631\u0646\u062f \u060c \u06a9\u0647 \u0647\u0646\u0648\u0632 \u062f\u0631 \u062f\u06cc\u0633\u06a9 \u0628\u0647 \u0631\u0648\u0632 \u0646\u0634\u062f\u0647 \u0627\u0646\u062f. \u0627\u06af\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0646\u0648\u0634\u062a\u0646 \u0647\u0631 \u0635\u0641\u062d\u0647 \u0627\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0642\u0628\u06cc\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u060c \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0632 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f <strong>\u0633\u06cc\u0627\u0633\u062a \u0634\u0633\u062a\u0634\u0648<\/strong> \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0646\u062d\u0648\u0647 \u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u062f\u06cc\u0633\u06a9 \u060c \u0642\u0628\u0644 \u0627\u0632 \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7w0y04k26ethja8aafax.png\" alt=\"\u0646\u0645\u0648\u062f\u0627\u0631 MMAP\" loading=\"lazy\" width=\"728\" height=\"518\" title=\"\"><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_C_%D8%A8%D8%B1%D8%A7%DB%8C_MMAP\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 C \u0628\u0631\u0627\u06cc MMAP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 C \u0628\u0627 \u0646\u0638\u0631\u0627\u062a \u0645\u0641\u0635\u0644 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u060c \u06a9\u0647 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<ul>\n<li>\n<p>\u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u067e\u0631\u0648\u0646\u062f\u0647<\/p>\n<\/li>\n<li>\n<p>\u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0622\u0646 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/p>\n<\/li>\n<li>\n<p>\u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0634\u062f\u0647<\/p>\n<\/li>\n<li>\n<p>\u0646\u0648\u0634\u062a\u0646 \u0628\u0631\u0627\u06cc \u0622\u0646<\/p>\n<\/li>\n<li>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u06cc\u0633\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f <code>msync()<\/code><\/p>\n<\/li>\n<li>\n<p>\u062e\u0646\u062b\u06cc \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0633\u062a\u0646 \u067e\u0631\u0648\u0646\u062f\u0647<\/p>\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight c\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\"><stdio.h\/><\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><stdlib.h\/><\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><fcntl.h\/><\/span><span class=\"c1\">      \/\/ For open()<\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><sys\/><\/span><span class=\"c1\">   \/\/ For mmap()<\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><sys\/><\/span><span class=\"c1\">   \/\/ For fstat()<\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><unistd.h\/><\/span><span class=\"c1\">     \/\/ For close(), lseek(), write()<\/span><span class=\"cp\">\n#include<\/span> <span class=\"cpf\"><string.h\/><\/span><span class=\"c1\">     \/\/ For memcpy()<\/span><span class=\"cp\">\n<\/span>\n<span class=\"cp\">#define FILENAME \"example_mmap.txt\"\n#define FILESIZE 4096  \/\/ 4KB\n<\/span>\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kt\">int<\/span> <span class=\"n\">fd<\/span><span class=\"p\">;<\/span>\n    <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">mapped<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">struct<\/span> <span class=\"n\">stat<\/span> <span class=\"n\">st<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"c1\">\/\/ Step 1: Open (or create) the file<\/span>\n    <span class=\"n\">fd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">open<\/span><span class=\"p\">(<\/span><span class=\"n\">FILENAME<\/span><span class=\"p\">,<\/span> <span class=\"n\">O_RDWR<\/span> <span class=\"o\">|<\/span> <span class=\"n\">O_CREAT<\/span><span class=\"p\">,<\/span> <span class=\"mo\">0666<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">fd<\/span> <span class=\"o\">==<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">perror<\/span><span class=\"p\">(<\/span><span class=\"s\">\"open\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">EXIT_FAILURE<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Step 2: Ensure file is at least FILESIZE long<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">ftruncate<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">,<\/span> <span class=\"n\">FILESIZE<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">perror<\/span><span class=\"p\">(<\/span><span class=\"s\">\"ftruncate\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">close<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">EXIT_FAILURE<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Step 3: Memory-map the file<\/span>\n    <span class=\"n\">mapped<\/span> <span class=\"o\">=<\/span> <span class=\"n\">mmap<\/span><span class=\"p\">(<\/span><span class=\"nb\">NULL<\/span><span class=\"p\">,<\/span> <span class=\"n\">FILESIZE<\/span><span class=\"p\">,<\/span> <span class=\"n\">PROT_READ<\/span> <span class=\"o\">|<\/span> <span class=\"n\">PROT_WRITE<\/span><span class=\"p\">,<\/span> <span class=\"n\">MAP_SHARED<\/span><span class=\"p\">,<\/span> <span class=\"n\">fd<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">mapped<\/span> <span class=\"o\">==<\/span> <span class=\"n\">MAP_FAILED<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">perror<\/span><span class=\"p\">(<\/span><span class=\"s\">\"mmap\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">close<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">EXIT_FAILURE<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"File successfully memory-mapped.<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"c1\">\/\/ Step 4: Read the first few bytes (may be zero if file is empty)<\/span>\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Initial contents: <\/span><span class=\"se\">\\\"<\/span><span class=\"s\">%.32s<\/span><span class=\"se\">\\\"\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">mapped<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"c1\">\/\/ Step 5: Write something to the mapped region<\/span>\n    <span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"Hello via mmap!<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">;<\/span>\n    <span class=\"n\">memcpy<\/span><span class=\"p\">(<\/span><span class=\"n\">mapped<\/span><span class=\"p\">,<\/span> <span class=\"n\">msg<\/span><span class=\"p\">,<\/span> <span class=\"n\">strlen<\/span><span class=\"p\">(<\/span><span class=\"n\">msg<\/span><span class=\"p\">));<\/span>  <span class=\"c1\">\/\/ Equivalent to writing into memory<\/span>\n\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Modified contents in memory: <\/span><span class=\"se\">\\\"<\/span><span class=\"s\">%.32s<\/span><span class=\"se\">\\\"\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">mapped<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"c1\">\/\/ Step 6: Flush changes to disk<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">msync<\/span><span class=\"p\">(<\/span><span class=\"n\">mapped<\/span><span class=\"p\">,<\/span> <span class=\"n\">FILESIZE<\/span><span class=\"p\">,<\/span> <span class=\"n\">MS_SYNC<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">perror<\/span><span class=\"p\">(<\/span><span class=\"s\">\"msync\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Changes successfully flushed to disk.<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"c1\">\/\/ Step 7: Unmap memory and close the file<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">munmap<\/span><span class=\"p\">(<\/span><span class=\"n\">mapped<\/span><span class=\"p\">,<\/span> <span class=\"n\">FILESIZE<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"n\">perror<\/span><span class=\"p\">(<\/span><span class=\"s\">\"munmap\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"n\">close<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">);<\/span>\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"File unmapped and closed.<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"n\">EXIT_SUCCESS<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B2_MMAP_%D8%AF%D8%B1_DBMS_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 MMAP \u062f\u0631 DBMS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>MMAP \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u06cc \u0645\u0641\u06cc\u062f \u0627\u0633\u062a:<\/p>\n<ul>\n<li>\u062d\u062c\u0645 \u06a9\u0627\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0632\u06cc\u0627\u062f \u0627\u0633\u062a.\n<\/li>\n<li>\u062d\u0627\u0641\u0638\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0631\u0627\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0627\u0631\u06cc \u062d\u0627\u0641\u0638\u0647 \u067e\u0646\u0647\u0627\u0646 \u06a9\u0627\u0641\u06cc \u0627\u0633\u062a.\n<\/li>\n<li>\u0633\u0627\u062f\u06af\u06cc \u0648 \u06a9\u0645\u0628\u0648\u062f \u0633\u0631 \u0627\u0648\u0644\u0648\u06cc\u062a \u0647\u0627 \u0647\u0633\u062a\u0646\u062f.\n<\/li>\n<li>\u0634\u0645\u0627 \u0628\u0647 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u062a\u0639\u0648\u06cc\u0636 \u0648 \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0627\u0639\u062a\u0645\u0627\u062f \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<\/ul>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627\u0634\u062f <strong>\u067e\u0627\u06cc\u06cc\u0646 \u062a\u0631\u06cc\u0646<\/strong> \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc DBMS \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u0628\u0632\u0631\u06af \u060c \u0645\u0627\u0646\u0646\u062f PostgreSQL \u06cc\u0627 MySQL \u060c \u06a9\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0635\u0631\u06cc\u062d \u0628\u0631 I\/O \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0631\u0627 \u062a\u0631\u062c\u06cc\u062d \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AD%D8%AF%D9%88%D8%AF%DB%8C%D8%AA_%D9%87%D8%A7_%D9%88_%D8%A7%D8%AD%D8%AA%DB%8C%D8%A7%D8%B7_%D9%87%D8%A7\"><\/span>\n<p>  \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627 \u0648 \u0627\u062d\u062a\u06cc\u0627\u0637 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4><span class=\"ez-toc-section\" id=\"%DA%A9%D9%86%D8%AA%D8%B1%D9%84_%DA%A9%D9%85%D8%AA%D8%B1\"><\/span>\n<p>  \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0645\u062a\u0631:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u0627\u0646 MMAP \u0630\u062e\u06cc\u0631\u0647 \u0648 \u0627\u062e\u0631\u0627\u062c \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u060c \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u062e\u0627\u0635 DBMS \u0628\u0647\u06cc\u0646\u0647 \u0646\u0628\u0627\u0634\u062f.  <\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D8%A7%D9%84%DA%AF%D9%88%D9%87%D8%A7%DB%8C_IO\"><\/span>\n<p>  \u0627\u0644\u06af\u0648\u0647\u0627\u06cc I\/O:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0646\u0648\u0634\u062a\u0646 \u062a\u0635\u0627\u062f\u0641\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06af\u0633\u0644 \u0647\u0627\u06cc \u0645\u06a9\u0631\u0631 \u0635\u0641\u062d\u0647 \u0648 \u0635\u0641\u062d\u0627\u062a \u06a9\u062b\u06cc\u0641 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f \u0648 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0631\u06cc\u062e\u062a\u0646 \u0634\u0648\u062f.   <\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%82%D9%88%D8%A7%D9%85_%D9%88_%D9%87%D9%85%DA%AF%D8%A7%D9%85_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  \u0642\u0648\u0627\u0645 \u0648 \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0642\u0648\u0627\u0645 \u0648 \u062f\u0648\u0627\u0645 (\u0628\u0647 \u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 WAL) \u0628\u0627\u06cc\u062f \u0627\u0632 MSync () \u06cc\u0627 mProtect () \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.   <\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%82%D8%A7%D8%A8%D9%84%DB%8C%D8%AA_%D8%AD%D9%85%D9%84\"><\/span>\n<p>  \u0642\u0627\u0628\u0644\u06cc\u062a \u062d\u0645\u0644:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u062e\u06cc \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627 \u06cc\u0627 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644 (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0634\u0628\u06a9\u0647 FS) \u0628\u0627 MMAP \u063a\u06cc\u0631\u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u0631\u0641\u062a\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.   <\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%AD%D8%AF%D9%88%D8%AF%DB%8C%D8%AA_%D9%87%D8%A7%DB%8C_%D9%81%D8%B6%D8%A7%DB%8C_%D8%A2%D8%AF%D8%B1%D8%B3\"><\/span>\n<p>  \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0641\u0636\u0627\u06cc \u0622\u062f\u0631\u0633:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc 32 \u0628\u06cc\u062a\u06cc \u060c \u0634\u0645\u0627 \u062a\u0648\u0633\u0637 \u0641\u0636\u0627\u06cc \u0622\u062f\u0631\u0633 \u0645\u062c\u0627\u0632\u06cc \u0645\u062d\u062f\u0648\u062f \u0634\u062f\u0647 \u0627\u06cc\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_MMAP_%D8%AF%D8%B1_DBMS\"><\/span>\n<p>  \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 MMAP () \u062f\u0631 DBMS<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 MMAP () \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0631\u0648\u0646\u062f\u0647 I\/O \u0631\u0627 \u0633\u0627\u062f\u0647 \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0628\u0639\u0636\u06cc \u0645\u0648\u0627\u0631\u062f \u0645\u0632\u0627\u06cc\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u062f \u060c \u062f\u0631\u06a9 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u062a\u062c\u0627\u0631\u06cc \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0645\u0647\u0645 \u0627\u0633\u062a:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"advents_%D9%85%D8%B2%D8%A7%DB%8C%D8%A7%DB%8C_%D8%A8%D8%A7%D9%84%D9%82%D9%88%D9%87\"><\/span>\n<p>  advents \u0645\u0632\u0627\u06cc\u0627\u06cc \u0628\u0627\u0644\u0642\u0648\u0647:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>Zero-Copy I\/O:<\/strong> \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 MMAP () \u067e\u0631\u0648\u0646\u062f\u0647 \u0627\u06cc \u0631\u0627 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u062f\u0631 \u0641\u0636\u0627\u06cc \u0622\u062f\u0631\u0633 \u0641\u0631\u0622\u06cc\u0646\u062f \u062a\u0631\u0633\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0647\u0633\u062a\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0646\u0633\u062e\u0647 \u0647\u0627\u06cc \u0635\u0631\u06cc\u062d \u0628\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0641\u0636\u0627\u06cc \u0647\u0633\u062a\u0647 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0627\u0639\u062b \u0628\u0647\u0628\u0648\u062f \u06a9\u0627\u0631\u0627\u06cc\u06cc I\/O \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\n<strong>\u0635\u0641\u062d\u0647 \u0628\u0646\u062f\u06cc \u062f\u0631 \u062a\u0642\u0627\u0636\u0627:<\/strong> \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0641\u0642\u0637 \u0635\u0641\u062d\u0627\u062a \u0644\u0627\u0632\u0645 \u0631\u0627 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f \u060c \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u06a9\u0644 \u067e\u0631\u0648\u0646\u062f\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f. <\/li>\n<\/ul>\n<ul>\n<li>\n<strong>\u0630\u062e\u06cc\u0631\u0647 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0635\u0641\u062d\u0647:<\/strong> \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0635\u0641\u062d\u0647 \u062f\u0631 \u0633\u0637\u062d \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0632\u0645\u0627\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u0633\u0631\u06cc\u0639 \u0628\u0631\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0645\u06a9\u0631\u0631 \u0634\u0648\u062f \u060c \u0628\u062f\u0648\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0644\u0627\u06cc\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E2%9A%A0_%D9%85%D8%B4%DA%A9%D9%84%D8%A7%D8%AA_%D8%A7%D8%AD%D8%AA%D9%85%D8%A7%D9%84%DB%8C\"><\/span>\n<p>  \u26a0 \u0645\u0634\u06a9\u0644\u0627\u062a \u0627\u062d\u062a\u0645\u0627\u0644\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0635\u0641\u062d\u0647 \u0627\u0635\u0644\u06cc \u062e\u0637\u0627\u06cc \u0635\u0641\u062d\u0647:<\/strong> \u0647\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0635\u0641\u062d\u0647 \u0627\u06cc \u06a9\u0647 \u0647\u0646\u0648\u0632 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0646\u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u062e\u0637\u0627\u06cc \u0635\u0641\u062d\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0633\u0648\u0626\u06cc\u0686 \u0632\u0645\u06cc\u0646\u0647 \u0627\u0633\u062a \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0639\u062f\u0645 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0648\u062f\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06af\u0631\u0627\u0646 \u0628\u0627\u0634\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\n<strong>\u06a9\u0646\u062a\u0631\u0644 \u06a9\u0645\u062a\u0631 \u0628\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc I\/O:<\/strong> \u0628\u0631 \u062e\u0644\u0627\u0641 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc Pread ()\/pwrite () \u06cc\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc \u062e\u0648\u0627\u0646\u062f\u0647 \u0634\u062f\u0647 \u060c MMAP () \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc \u0635\u0641\u062d\u0647 \u0628\u0646\u062f\u06cc \u0648 \u06af\u0631\u06af\u0631\u0641\u062a\u06af\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0633\u062a\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u063a\u06cc\u0631\u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u060c \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062a\u062d\u062a \u0641\u0634\u0627\u0631 \u062d\u0627\u0641\u0638\u0647 \u0645\u0646\u062c\u0631 \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\n<strong>\u062a\u0623\u062e\u06cc\u0631 \u062f\u0631 \u0646\u0648\u0634\u062a\u0646:<\/strong> \u0635\u0641\u062d\u0627\u062a \u06a9\u062b\u06cc\u0641 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u06cc\u062f \u0628\u0647 \u062f\u06cc\u0633\u06a9 \u0634\u0633\u062a\u0634\u0648 \u062f\u0627\u062f\u0647 \u0634\u0648\u062f. \u0627\u06af\u0631 \u06af\u0631\u06af\u0631\u0641\u062a\u06af\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u0632 \u0637\u0631\u06cc\u0642 mSync () \u06cc\u0627 madvise ()) \u0628\u0627 \u062f\u0642\u062a \u0627\u062f\u0627\u0631\u0647 \u0646\u0634\u0648\u062f \u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0648\u0634\u062a\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u062a \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u0633\u062f\u0648\u062f \u0634\u0648\u062f \u0648 \u0633\u0646\u0628\u0644\u0647 \u0647\u0627\u06cc \u062a\u0623\u062e\u06cc\u0631 \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0646\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\n<strong>\u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u062d\u0627\u0641\u0638\u0647 \u0645\u062c\u0627\u0632\u06cc:<\/strong> \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627 \u06cc\u0627 \u0645\u062d\u06cc\u0637 \u0647\u0627\u06cc 32 \u0628\u06cc\u062a\u06cc \u0628\u0627 \u0641\u0636\u0627\u06cc \u0622\u062f\u0631\u0633 \u0645\u062d\u062f\u0648\u062f \u060c \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0627\u0632 \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062d\u0627\u0641\u0638\u0647 \u0645\u062c\u0627\u0632\u06cc \u0631\u0627 \u0628\u0647 \u0633\u0631\u0639\u062a \u062e\u0633\u062a\u0647 \u06a9\u0646\u062f \u0648 \u062d\u062a\u06cc \u0627\u06af\u0631 \u0631\u0645 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0628\u0627\u0634\u062f \u060c \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u0645\u0634\u06a9\u0644\u0627\u062a \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%F0%9F%93%8C_%D9%85%D8%AB%D8%A7%D9%84\"><\/span>\n<p>  \ud83d\udccc \u0645\u062b\u0627\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06cc\u06a9 DBMS \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 MMAP () \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06cc\u06a9 \u067e\u0631\u0648\u0646\u062f\u0647 10 \u06af\u06cc\u06af\u0627\u0628\u0627\u06cc\u062a\u06cc \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u0627\u06cc\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0641\u0642\u0637 8 \u06af\u06cc\u06af\u0627\u0628\u0627\u06cc\u062a \u0631\u0645 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0627\u0631 7 \u06af\u06cc\u06af\u0627\u0628\u0627\u06cc\u062a \u0628\u0627\u0634\u062f \u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0627\u062c\u0631\u0627 \u0634\u0648\u062f. \u0627\u0645\u0627 \u0627\u06af\u0631 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc \u0634\u0648\u0646\u062f \u06cc\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0627\u0631 \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0645\u0648\u062c\u0648\u062f \u0641\u0631\u0627\u062a\u0631 \u0631\u0648\u062f \u060c \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0631\u0648\u0639 \u0628\u0647 \u062a\u0639\u0648\u06cc\u0636 \u06cc\u0627 \u062a\u0647\u0627\u062c\u0645\u06cc \u062f\u0631 \u0635\u0641\u062d\u0627\u062a \u06a9\u0646\u062f \u0648 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062e\u0631\u06cc\u0628 \u0634\u062f\u0647 \u0634\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%AF%D8%B1_%D8%AF%D9%86%DB%8C%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C_LMDB\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc: LMDB<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>LMDB \u0645\u0646\u062d\u0635\u0631\u0627\u064b \u0627\u0632 MMAP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\u062a\u0645\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a DB \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\u0628\u062f\u0648\u0646 \u0627\u0633\u062a\u062e\u0631 \u0628\u0627\u0641\u0631 \u060c \u0628\u062f\u0648\u0646 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0646\u0648\u0634\u062a\u0646-\u0633\u06cc\u0633\u062a\u0645 \u0641\u0627\u06cc\u0644 \u0648 MMAP \u062f\u0648\u0627\u0645 \u0631\u0627 \u062a\u062d\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f.\n<\/li>\n<\/ul>\n<ul>\n<li>\u0635\u0641\u062d\u0627\u062a \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u062c\u062f\u0627\u0633\u0627\u0632\u06cc \u0639\u06a9\u0633 \u0641\u0648\u0631\u06cc \u06a9\u067e\u06cc \u0647\u0633\u062a\u0646\u062f.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AE%D9%84%D8%A7%D8%B5%D9%87\"><\/span>\n<p>  \u062e\u0644\u0627\u0635\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u0645\u06af\u062f<\/strong> \u062f\u0631 <strong>DBMS<\/strong> \u062a\u06a9\u0646\u06cc\u06a9\u06cc \u0627\u0633\u062a \u06a9\u0647 \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0622\u0646 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u0646\u062f <strong>\u0627\u0632 \u0637\u0631\u06cc\u0642 \u062d\u0627\u0641\u0638\u0647 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0627\u0633\u062a<\/strong> \u0628\u0647 \u062c\u0627\u06cc \u067e\u0631\u0648\u0646\u062f\u0647 \u062f\u0633\u062a\u06cc I\/O. \u0627\u06cc\u0646 \u0637\u0631\u062d \u0631\u0627 \u0628\u0627 \u0627\u062c\u0627\u0632\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 <strong>\u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u062a\u0631\u062c\u0645\u0647 \u062f\u06cc\u0633\u06a9 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/strong> \u0627\u0645\u0627 \u0628\u0627 \u062a\u062c\u0627\u0631\u062a \u062f\u0631 \u06a9\u0646\u062a\u0631\u0644 \u060c \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u0647\u0645\u0631\u0627\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0627\u06cc\u062f\u0647 \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0639\u0628\u06cc\u0647 \u0634\u062f\u0647 \u06cc\u0627 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0627\u0633\u062a \u060c \u06a9\u0645\u062a\u0631 \u0628\u0631\u0627\u06cc \u0645\u0648\u062a\u0648\u0631\u0647\u0627\u06cc \u0645\u0639\u0627\u0645\u0644\u0647 \u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u06a9\u0646\u062a\u0631\u0644 I\/O \u0631\u06cc\u0632 \u062f\u0627\u0646\u0647 \u062f\u0627\u0631\u0646\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u06af\u062f\u060c \u06a9\u0647 \u0645\u062e\u0641\u0641 \u0627\u0633\u062a \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u062d\u0627\u0641\u0638\u0647\u060c \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0641\u0636\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0645\u062c\u0627\u0632\u06cc \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0646\u0642\u0634\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u0648\u0627\u0631\u062f \u062e\u0627\u0635 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06a9 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0627\u0648\u0644\u06cc\u0647 (\u0645\u0627\u0646\u0646\u062f RAM) \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u0646\u062f \u060c \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0633\u0631\u06cc\u0639\u062a\u0631 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a \u060c \u0645\u06cc \u06af\u0648\u06cc\u0646\u062f HDD &hellip;<\/p>\n","protected":false},"author":2,"featured_media":105841,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fl0mci3xrlks1vyymomor.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-105840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/105840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=105840"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/105840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/105841"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=105840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=105840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=105840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}