Veri Replikasyonu, verileri birden fazla konumda bulundurma i\u015flemidir. T\u00fcm kullan\u0131c\u0131lar\u0131n herhangi bir tutars\u0131zl\u0131k olmadan ayn\u0131 verileri payla\u015fabilmesi i\u00e7in bir veritaban\u0131ndaki verileri bir sunucudan ba\u015fka bir sunucuya kopyalamak yeterlidir. Kullan\u0131c\u0131lar\u0131n di\u011fer kullan\u0131c\u0131lar\u0131n \u00e7al\u0131\u015fmalar\u0131na m\u00fcdahale etmeden g\u00f6revleriyle ilgili verilere eri\u015febilece\u011fi da\u011f\u0131t\u0131lm\u0131\u015f bir veritaban\u0131d\u0131r. T\u00fcm veriler replike edilebilece\u011fi gibi verilerden \u00f6nemli olanlar\u0131 da replike edilebilir.<\/p>\n\n\n\n
Veri Replikasyonu, i\u015flemlerin s\u00fcrekli olarak \u00e7o\u011falt\u0131lmas\u0131n\u0131 kapsar, b\u00f6ylece \u00e7o\u011faltma tutarl\u0131 bir \u015fekilde g\u00fcncellenir ve kaynak ile senkronize edilir.<\/p>\n\n\n\n
Veri Replikasyonu T\u00fcrleri<\/strong><\/p>\n\n\n\n Snapshot Replikasyon<\/strong><\/p>\n\n\n\n Snapshot Replikasyon verileri tam olarak belirli bir anda g\u00f6r\u00fcnd\u00fc\u011f\u00fc gibi da\u011f\u0131t\u0131r ve verilerdeki g\u00fcncelle\u015ftirmeleri izlemez. Anl\u0131k g\u00f6r\u00fcnt\u00fcn\u00fcn tamam\u0131 olu\u015fturulur ve kullan\u0131c\u0131lara g\u00f6nderilir. Snapshot replikasyonu genellikle veri de\u011fi\u015fikli\u011finin nadir oldu\u011fu yerlerde kullan\u0131l\u0131r. Transactional i\u015fleminden biraz daha yava\u015ft\u0131r, \u00e7\u00fcnk\u00fc her denemede birden fazla kayd\u0131 bir u\u00e7tan di\u011fer uca ta\u015f\u0131r.<\/p>\n\n\n\n Transactional Replikasyon<\/strong><\/p>\n\n\n\n Bu Replikasyon t\u00fcr\u00fcnde ilk olarak veritaban\u0131n\u0131n tam kopyas\u0131 al\u0131n\u0131r devam\u0131nda veri de\u011fi\u015ftik\u00e7e g\u00fcncelleme yap\u0131l\u0131r. Genellikle sunucudan-sunucuya \u015feklinde \u00e7al\u0131\u015f\u0131r. Veriler, yay\u0131nc\u0131dan al\u0131c\u0131 veritaban\u0131na ger\u00e7ek zamanl\u0131 olarak, yay\u0131nc\u0131yla ayn\u0131 s\u0131rada kopyalan\u0131r, bu nedenle bu t\u00fcr \u00e7o\u011faltmalarda i\u015flem tutarl\u0131l\u0131\u011f\u0131 garanti edilir, veri kayb\u0131 veya de\u011fi\u015fikli\u011fi ya\u015fanmaz. Sadece veri kopyalamakla s\u0131n\u0131rl\u0131 kalmay\u0131p her de\u011fi\u015fikli\u011fi tutarl\u0131 ve do\u011fru \u015fekilde \u00e7o\u011falt\u0131r.<\/p>\n\n\n\n Merge Replikasyon<\/strong><\/p>\n\n\n\n \u0130ki veya daha fazla veritaban\u0131ndaki veriler tek bir veritaban\u0131nda birle\u015ftirilir. En karma\u015f\u0131k replikasyon t\u00fcr\u00fcd\u00fcr. Genellikle sunucudan istemciye ortamlarda kullan\u0131l\u0131r.<\/p>\n\n\n\n Veri Replikasyonu Avantajlar\u0131<\/strong><\/p>\n\n\n\n – Verilerin kullan\u0131labilirli\u011fini art\u0131r\u0131r. Veri Replikasyonu Dezavantajlar\u0131<\/strong><\/p>\n\n\n\n – Verilerin birden \u00e7ok alanda depolanmas\u0131 ek depolama alan\u0131 gerektirir. Kaynak: <\/strong>https:\/\/www.geeksforgeeks.org\/data-replication-in-dbms\/<\/p>\n","protected":false},"excerpt":{"rendered":" Veri Replikasyonu, verileri birden fazla konumda bulundurma i\u015flemidir. T\u00fcm kullan\u0131c\u0131lar\u0131n herhangi bir tutars\u0131zl\u0131k olmadan ayn\u0131 verileri payla\u015fabilmesi i\u00e7in bir veritaban\u0131ndaki verileri bir sunucudan ba\u015fka bir sunucuya kopyalamak yeterlidir. Kullan\u0131c\u0131lar\u0131n di\u011fer kullan\u0131c\u0131lar\u0131n \u00e7al\u0131\u015fmalar\u0131na m\u00fcdahale etmeden g\u00f6revleriyle ilgili verilere eri\u015febilece\u011fi da\u011f\u0131t\u0131lm\u0131\u015f bir veritaban\u0131d\u0131r. T\u00fcm veriler replike edilebilece\u011fi gibi verilerden \u00f6nemli olanlar\u0131 da replike edilebilir. Veri Replikasyonu, i\u015flemlerin …<\/p>\n","protected":false},"author":1,"featured_media":6018,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[12,208],"tags":[],"class_list":["post-5890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sanal","category-veri-merkezi"],"jetpack_publicize_connections":[],"aioseo_notices":[],"views":955,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.bilisimonline.net\/wp-content\/uploads\/2020\/02\/veri-replikasyonu.jpg?fit=800%2C420","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7k56R-1x0","jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/5890"}],"collection":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/comments?post=5890"}],"version-history":[{"count":2,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/5890\/revisions"}],"predecessor-version":[{"id":5924,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/5890\/revisions\/5924"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/media\/6018"}],"wp:attachment":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/media?parent=5890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/categories?post=5890"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/tags?post=5890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
– T\u00fcm veritaban\u0131 noktalar\u0131n\u0131n tutarl\u0131 bir kopyas\u0131n\u0131 sa\u011flayabilir.
– Birden \u00e7ok kullan\u0131c\u0131n\u0131n kullan\u0131m\u0131na ac\u0131k oldu\u011fu i\u00e7in y\u00fcksek performans sa\u011flar
– Veri sorgular\u0131nda daha h\u0131zl\u0131 d\u00f6n\u00fc\u015f al\u0131nmas\u0131n\u0131 sa\u011flar.
– Verilerin g\u00fcvenli\u011fi sa\u011flan\u0131r.<\/p>\n\n\n\n
– T\u00fcm farkl\u0131 sitelerdeki verilerin g\u00fcncellenmesi ek maliyet gerektirebilir.
– T\u00fcm farkl\u0131 sitelerde veri tutarl\u0131l\u0131\u011f\u0131n\u0131 sa\u011flamak karma\u015f\u0131k \u00f6nlemler al\u0131nmas\u0131n\u0131 gerektirebilir.<\/p>\n\n\n\n