{"id":23190,"date":"2025-04-21T08:11:28","date_gmt":"2025-04-21T05:11:28","guid":{"rendered":"https:\/\/www.cenuta.com\/blog\/?p=23190"},"modified":"2025-04-21T08:11:30","modified_gmt":"2025-04-21T05:11:30","slug":"mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir","status":"publish","type":"post","link":"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/","title":{"rendered":"MySQL Performans Optimizasyonu Nas\u0131l Yap\u0131l\u0131r? Index Kullan\u0131m\u0131 ve Sorgu H\u0131zland\u0131rma Nas\u0131l Yap\u0131l\u0131r?"},"content":{"rendered":"\n<p>Veritaban\u0131 performans\u0131, y\u00fcksek trafikli uygulamalarda sistemin s\u00fcreklili\u011fi ve verimlili\u011fi a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahiptir. MySQL performans optimizasyonu, yaln\u0131zca donan\u0131m kaynaklar\u0131n\u0131 verimli kullanmakla s\u0131n\u0131rl\u0131 de\u011fildir; ayn\u0131 zamanda do\u011fru sorgu yap\u0131lar\u0131, uygun indeksleme stratejileri ve optimizasyon tekniklerini de i\u00e7erir.<\/p>\n\n\n\n<p>Bu makalede MySQL veritabanlar\u0131nda performans\u0131 art\u0131rmak i\u00e7in kullan\u0131labilecek en etkili y\u00f6ntemler detayl\u0131 bi\u00e7imde ele al\u0131nacakt\u0131r. \u00d6zellikle <strong>index (indeks) kullan\u0131m\u0131<\/strong>, <strong>yava\u015f sorgular\u0131n tespiti<\/strong>, <strong>veritaban\u0131 yap\u0131land\u0131rmalar\u0131<\/strong> ve <strong>optimize edilmi\u015f SQL ifadeleri<\/strong> gibi konulara odaklan\u0131lacakt\u0131r.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a6f235ba8b62\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a6f235ba8b62\"  aria-label=\"Toggle\" \/><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:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Index_Kullanimi_Nedir_ve_Neden_Onemlidir\" title=\"Index Kullan\u0131m\u0131 Nedir ve Neden \u00d6nemlidir?\">Index Kullan\u0131m\u0131 Nedir ve Neden \u00d6nemlidir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Temel_Index_Turleri\" title=\"Temel Index T\u00fcrleri\">Temel Index T\u00fcrleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Index_Kullaniminda_Dikkat_Edilmesi_Gerekenler\" title=\"Index Kullan\u0131m\u0131nda Dikkat Edilmesi Gerekenler\">Index Kullan\u0131m\u0131nda Dikkat Edilmesi Gerekenler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#EXPLAIN_ile_Sorgu_Analizi_Nasil_Yapilir\" title=\"EXPLAIN ile Sorgu Analizi Nas\u0131l Yap\u0131l\u0131r?\">EXPLAIN ile Sorgu Analizi Nas\u0131l Yap\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#SQL_Sorgularini_Hizlandirma_Teknikleri\" title=\"SQL Sorgular\u0131n\u0131 H\u0131zland\u0131rma Teknikleri\">SQL Sorgular\u0131n\u0131 H\u0131zland\u0131rma Teknikleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#1_Gereksiz_Sutunlardan_Kacinin\" title=\"1. Gereksiz S\u00fctunlardan Ka\u00e7\u0131n\u0131n\">1. Gereksiz S\u00fctunlardan Ka\u00e7\u0131n\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#2_WHERE_Sartlarini_Dogru_Kullanin\" title=\"2. WHERE \u015eartlar\u0131n\u0131 Do\u011fru Kullan\u0131n\">2. WHERE \u015eartlar\u0131n\u0131 Do\u011fru Kullan\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#3_JOIN_Kullaniminda_Dikkatli_Olun\" title=\"3. JOIN Kullan\u0131m\u0131nda Dikkatli Olun\">3. JOIN Kullan\u0131m\u0131nda Dikkatli Olun<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#4_LIMIT_ve_OFFSET_Kullanimina_Dikkat\" title=\"4. LIMIT ve OFFSET Kullan\u0131m\u0131na Dikkat\">4. LIMIT ve OFFSET Kullan\u0131m\u0131na Dikkat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#5_Alt_Sorgular_Yerine_JOIN_Kullanimi\" title=\"5. Alt Sorgular Yerine JOIN Kullan\u0131m\u0131\">5. Alt Sorgular Yerine JOIN Kullan\u0131m\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#MySQL_Yapilandirmasi_ile_Performans_Artirma\" title=\"MySQL Yap\u0131land\u0131rmas\u0131 ile Performans Art\u0131rma\">MySQL Yap\u0131land\u0131rmas\u0131 ile Performans Art\u0131rma<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#1_query_cache_size\" title=\"1. query_cache_size\">1. query_cache_size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#2_innodb_buffer_pool_size\" title=\"2. innodb_buffer_pool_size\">2. innodb_buffer_pool_size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#3_tmp_table_size_ve_max_heap_table_size\" title=\"3. tmp_table_size ve max_heap_table_size\">3. tmp_table_size ve max_heap_table_size<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Yavas_Sorgu_Loglari_ile_Performans_Takibi\" title=\"Yava\u015f Sorgu Loglar\u0131 ile Performans Takibi\">Yava\u015f Sorgu Loglar\u0131 ile Performans Takibi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Veritabani_Normalizasyonu_ve_Performansa_Etkisi\" title=\"Veritaban\u0131 Normalizasyonu ve Performansa Etkisi\">Veritaban\u0131 Normalizasyonu ve Performansa Etkisi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/#Sonuc\" title=\"Sonu\u00e7\">Sonu\u00e7<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Index_Kullanimi_Nedir_ve_Neden_Onemlidir\"><\/span>Index Kullan\u0131m\u0131 Nedir ve Neden \u00d6nemlidir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>MySQL&#8217;de <strong>index<\/strong>, tablo \u00fczerinde arama i\u015flemlerini h\u0131zland\u0131rmak i\u00e7in kullan\u0131lan veri yap\u0131lar\u0131d\u0131r. Bir tabloya index eklendi\u011finde, MySQL belirli s\u00fctunlarda yap\u0131lan arama, s\u0131ralama ve birle\u015ftirme i\u015flemlerini \u00e7ok daha h\u0131zl\u0131 bir \u015fekilde ger\u00e7ekle\u015ftirir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temel_Index_Turleri\"><\/span>Temel Index T\u00fcrleri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PRIMARY KEY<\/strong>: Her tabloda yaln\u0131zca bir adet olabilir. Benzersiz ve bo\u015f olmayan de\u011ferleri temsil eder.<\/li>\n\n\n\n<li><strong>UNIQUE INDEX<\/strong>: Tekrarlayan de\u011ferleri engeller, her de\u011ferin benzersiz olmas\u0131n\u0131 sa\u011flar.<\/li>\n\n\n\n<li><strong>FULLTEXT INDEX<\/strong>: Metin arama i\u015flemleri i\u00e7in kullan\u0131l\u0131r.<\/li>\n\n\n\n<li><strong>COMPOSITE INDEX<\/strong>: Birden fazla s\u00fctunu kapsayan index yap\u0131s\u0131d\u0131r.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Index_Kullaniminda_Dikkat_Edilmesi_Gerekenler\"><\/span>Index Kullan\u0131m\u0131nda Dikkat Edilmesi Gerekenler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gereksiz index\u2019ler, yazma (INSERT, UPDATE, DELETE) i\u015flemlerinde performans kayb\u0131na yol a\u00e7ar.<\/li>\n\n\n\n<li>Her s\u00fctun i\u00e7in index olu\u015fturmak yerine, s\u0131k kullan\u0131lan sorgulara g\u00f6re stratejik index\u2019ler belirlenmelidir.<\/li>\n\n\n\n<li><code>EXPLAIN<\/code> komutu kullan\u0131larak hangi sorgular\u0131n index kulland\u0131\u011f\u0131 analiz edilmelidir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EXPLAIN_ile_Sorgu_Analizi_Nasil_Yapilir\"><\/span>EXPLAIN ile Sorgu Analizi Nas\u0131l Yap\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>MySQL&#8217;de bir sorgunun nas\u0131l y\u00fcr\u00fct\u00fcld\u00fc\u011f\u00fcn\u00fc analiz etmek i\u00e7in <code>EXPLAIN<\/code> komutu kullan\u0131l\u0131r. Bu komut, sorgunun hangi tablolar\u0131 tarad\u0131\u011f\u0131n\u0131, hangi index&#8217;leri kulland\u0131\u011f\u0131n\u0131 ve s\u0131ralama i\u015flemleri yap\u0131p yapmad\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>EXPLAIN SELECT * FROM kullanicilar WHERE email = 'ornek@mail.com';\n<\/code><\/pre>\n\n\n\n<p>Bu analizle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>type<\/code> s\u00fctunundan eri\u015fim tipi (\u00f6rne\u011fin <code>ALL<\/code>, <code>index<\/code>, <code>range<\/code>) g\u00f6r\u00fclebilir.<\/li>\n\n\n\n<li><code>key<\/code> s\u00fctunu, kullan\u0131lan index&#8217;i g\u00f6sterir.<\/li>\n\n\n\n<li><code>rows<\/code> s\u00fctunu, sorgunun ka\u00e7 sat\u0131r\u0131 tarayaca\u011f\u0131n\u0131 belirtir.<\/li>\n<\/ul>\n\n\n\n<p><code>type = ALL<\/code> de\u011feri, tablo taramas\u0131 yap\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6sterir ve performans a\u00e7\u0131s\u0131ndan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SQL_Sorgularini_Hizlandirma_Teknikleri\"><\/span>SQL Sorgular\u0131n\u0131 H\u0131zland\u0131rma Teknikleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Gereksiz_Sutunlardan_Kacinin\"><\/span>1. Gereksiz S\u00fctunlardan Ka\u00e7\u0131n\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>T\u00fcm s\u00fctunlar\u0131 \u00e7a\u011f\u0131ran <code>SELECT *<\/code> yerine sadece gerekli s\u00fctunlar belirtilmelidir.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT ad, soyad FROM kullanicilar WHERE durum = 'aktif';\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_WHERE_Sartlarini_Dogru_Kullanin\"><\/span>2. WHERE \u015eartlar\u0131n\u0131 Do\u011fru Kullan\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sorgularda WHERE \u015fartlar\u0131, filtreleme yaparak sorgunun tarayaca\u011f\u0131 sat\u0131r say\u0131s\u0131n\u0131 azalt\u0131r. S\u0131k kullan\u0131lan filtre s\u00fctunlar\u0131na index eklenmesi \u00f6nerilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_JOIN_Kullaniminda_Dikkatli_Olun\"><\/span>3. JOIN Kullan\u0131m\u0131nda Dikkatli Olun<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>JOIN i\u015flemleri \u00f6zellikle b\u00fcy\u00fck tablolar \u00fczerinde \u00e7al\u0131\u015f\u0131rken performans sorunlar\u0131na neden olabilir.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Join yap\u0131lacak s\u00fctunlar\u0131n her iki tabloda da index\u2019li olmas\u0131 \u00f6nemlidir.<\/li>\n\n\n\n<li><code>LEFT JOIN<\/code> yerine m\u00fcmk\u00fcnse <code>INNER JOIN<\/code> tercih edilmelidir.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_LIMIT_ve_OFFSET_Kullanimina_Dikkat\"><\/span>4. LIMIT ve OFFSET Kullan\u0131m\u0131na Dikkat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u00fcy\u00fck veri k\u00fcmesinde <code>LIMIT 100000 OFFSET 0<\/code> gibi sorgular veritaban\u0131n\u0131 zorlayabilir. Bunun yerine &#8220;id ile sayfalama&#8221; gibi alternatifler tercih edilebilir.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT * FROM kayitlar WHERE id &gt; 100000 LIMIT 100;\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Alt_Sorgular_Yerine_JOIN_Kullanimi\"><\/span>5. Alt Sorgular Yerine JOIN Kullan\u0131m\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Alt sorgular (subqueries) yerine JOIN ifadeleri daha performansl\u0131 \u00e7al\u0131\u015fabilir.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- Yava\u015f Sorgu\nSELECT * FROM urunler WHERE kategori_id IN (SELECT id FROM kategoriler WHERE aktif = 1);\n\n-- Daha H\u0131zl\u0131 Sorgu\nSELECT u.* FROM urunler u JOIN kategoriler k ON u.kategori_id = k.id WHERE k.aktif = 1;\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MySQL_Yapilandirmasi_ile_Performans_Artirma\"><\/span>MySQL Yap\u0131land\u0131rmas\u0131 ile Performans Art\u0131rma<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Veritaban\u0131 ayarlar\u0131n\u0131n optimize edilmesi performansa do\u011frudan katk\u0131 sa\u011flar. A\u015fa\u011f\u0131da baz\u0131 \u00f6nemli yap\u0131land\u0131rmalar yer almaktad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_query_cache_size\"><\/span>1. query_cache_size<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Query cache \u00f6zelli\u011fi aktifse, tekrar eden sorgular bellekte saklanarak daha h\u0131zl\u0131 yan\u0131t verilir. Ancak modern MySQL s\u00fcr\u00fcmlerinde bu \u00f6zellik kald\u0131r\u0131lm\u0131\u015ft\u0131r veya devre d\u0131\u015f\u0131d\u0131r. MariaDB gibi sistemlerde h\u00e2len kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_innodb_buffer_pool_size\"><\/span>2. innodb_buffer_pool_size<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>InnoDB motoru kullanan sistemlerde bu parametre, veritaban\u0131 tablolar\u0131n\u0131n bellekte tutulmas\u0131n\u0131 sa\u011flar. Genellikle fiziksel belle\u011fin %60-70\u2019i kadar ayarlan\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_tmp_table_size_ve_max_heap_table_size\"><\/span>3. tmp_table_size ve max_heap_table_size<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ge\u00e7ici tablolar bellekte tutuluyorsa daha h\u0131zl\u0131 i\u015flem yap\u0131l\u0131r. Bu parametrelerin art\u0131r\u0131lmas\u0131, karma\u015f\u0131k sorgularda performans\u0131 iyile\u015ftirir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yavas_Sorgu_Loglari_ile_Performans_Takibi\"><\/span>Yava\u015f Sorgu Loglar\u0131 ile Performans Takibi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>MySQL\u2019in yava\u015f sorgu g\u00fcnl\u00fc\u011f\u00fc \u00f6zelli\u011fi sayesinde, belirli s\u00fcrenin \u00fczerinde \u00e7al\u0131\u015fan SQL ifadeleri kaydedilir. Bu kay\u0131tlar analiz edilerek darbo\u011faz yaratan sorgular tespit edilebilir.<\/p>\n\n\n\n<p><strong>Aktif Etmek \u0130\u00e7in:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#091;mysqld]\nslow_query_log = 1\nslow_query_log_file = \/var\/log\/mysql-slow.log\nlong_query_time = 2\n<\/code><\/pre>\n\n\n\n<p>Bu yap\u0131land\u0131rma ile 2 saniyeden uzun s\u00fcren t\u00fcm sorgular log dosyas\u0131na kaydedilecektir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Veritabani_Normalizasyonu_ve_Performansa_Etkisi\"><\/span>Veritaban\u0131 Normalizasyonu ve Performansa Etkisi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Normalizasyon, veri tekrar\u0131n\u0131 \u00f6nlerken veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flar. Ancak a\u015f\u0131r\u0131 normalizasyon, fazla say\u0131da JOIN i\u015flemine neden olarak performans\u0131 olumsuz etkileyebilir. Kritik uygulamalarda performans ve veri b\u00fct\u00fcnl\u00fc\u011f\u00fc dengesi kurulmal\u0131, gerekirse denormalizasyon tercih edilmelidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>MySQL performans optimizasyonu, sadece donan\u0131m de\u011fil; sorgu yaz\u0131m\u0131, indeksleme, yap\u0131land\u0131rma ve izleme gibi bir\u00e7ok katmanda uygulanmas\u0131 gereken bir s\u00fcre\u00e7tir. \u00d6zellikle <strong>do\u011fru index kullan\u0131m\u0131<\/strong>, <strong>EXPLAIN ile analiz<\/strong>, <strong>yava\u015f sorgular\u0131n tespiti<\/strong> ve <strong>sunucu yap\u0131land\u0131rmalar\u0131n\u0131n optimize edilmesi<\/strong> gibi ad\u0131mlar performans \u00fczerinde do\u011frudan etkili olur.<\/p>\n\n\n\n<p>Y\u00fcksek performansl\u0131 bir veritaban\u0131 yap\u0131s\u0131 kurmak ve s\u00fcrd\u00fcr\u00fclebilir hale getirmek i\u00e7in periyodik analizler yap\u0131lmal\u0131, sorgular d\u00fczenli olarak g\u00f6zden ge\u00e7irilmelidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Veritaban\u0131 performans\u0131, y\u00fcksek trafikli uygulamalarda sistemin s\u00fcreklili\u011fi ve verimlili\u011fi a\u00e7\u0131s\u0131ndan<a href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/\">&#8230;<\/a><\/p>\n","protected":false},"author":4,"featured_media":23199,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-23190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunucu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cenuta.com\/blog\/mysql-performans-optimizasyonu-nasil-yapilir-index-kullanimi-ve-sorgu-hizlandirma-nasil-yapilir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL Performans Optimizasyonu Nas\u0131l Yap\u0131l\u0131r? 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