{"id":4281,"date":"2018-04-29T21:23:20","date_gmt":"2018-04-29T21:23:20","guid":{"rendered":"http:\/\/mehmetsalihdeveci.net\/?p=4281"},"modified":"2020-06-26T08:22:33","modified_gmt":"2020-06-26T08:22:33","slug":"oracle-exadata-database-machine-7","status":"publish","type":"post","link":"https:\/\/ittutorial.org\/oracle-exadata-database-machine-7\/","title":{"rendered":"Oracle Exadata Database Machine -7"},"content":{"rendered":"<p>Merhaba Arkada\u015flar,<\/p>\n<p>Bu yaz\u0131mda da \u00f6nceki 6 yaz\u0131da oldu\u011fu gibi Exadatay\u0131 anlatmaya devam edece\u011fim. Exadatan\u0131n sihirli \u00f6zelliklerinden birisi olan Flash Cache \u00f6zelli\u011fini anlat\u0131yor olaca\u011f\u0131m.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4282\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/oracle_flash_cache0.jpg\" alt=\"\" width=\"614\" height=\"490\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/oracle_flash_cache0.jpg 628w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/oracle_flash_cache0-300x239.jpg 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p><!--more--><\/p>\n\n<p>&nbsp;<\/p>\n<p><strong>Smart Flash Cache<\/strong><\/p>\n<p>Exadata n\u0131n yine kendine has m\u00fckemmel \u00f6zelliklerinden biriside Smart Flash Cachedir, bu \u00f6zellik sayesinde \u00e7ok s\u0131k i\u015flem g\u00f6ren ve eri\u015fim sa\u011flanan Tablo, \u0130ndex, Controlfile ve Datafile lar\u0131n Header lar\u0131nda yap\u0131lan i\u015flemler s\u0131ras\u0131nda tipik I\/O gecikmelerini \u00f6nlemek i\u00e7in Exadata \u00e7ok s\u0131k kullan\u0131lan bu verileri Flash memory alan\u0131na ta\u015f\u0131y\u0131p cache bellekte i\u015flem g\u00f6r\u00fcr.<\/p>\n<p>Smart Flash Cache \u00f6zelli\u011fi ad\u0131ndan da anla\u015f\u0131ld\u0131\u011f\u0131 \u00fczere \u00e7ok ak\u0131ll\u0131 bir mekanizma oldu\u011fu i\u00e7in hangi verinin Flash ta tutulup tutulmayaca\u011f\u0131na kullan\u0131c\u0131lar\u0131n m\u00fcdahalesi olmaks\u0131z\u0131n karar verir. Kullan\u0131c\u0131 m\u00fcdahalesi olmaks\u0131z\u0131n karar veriyor dedik ancak Exadata kullan\u0131c\u0131lara baz\u0131 objelerin segmentlerini Cache lenmesi i\u00e7in <strong>CELL_FLASH_CACHE<\/strong> \u00f6zelli\u011fi verip bu objelerin cachle nmesine \u00f6ncelik tan\u0131yabiliyor. Genel itibariyle Smart Flash Cache \u00f6zelli\u011fi \u00e7ok nadir yada hi\u00e7 kullan\u0131lmayan verileri cache lememesi y\u00f6n\u00fcyle \u00e7ok ak\u0131ll\u0131 bir yap\u0131ya sahiptir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4284\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/flash-usage-models-for-the-oracle-database-2-728.jpg\" alt=\"\" width=\"614\" height=\"475\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/flash-usage-models-for-the-oracle-database-2-728.jpg 728w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/flash-usage-models-for-the-oracle-database-2-728-300x232.jpg 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>Full bir X4-2 makinesinde 44.8 TB raw fiziksel flash memory\u00a0 b\u00fcy\u00fckl\u00fc\u011f\u00fcnde a\u015fa\u011f\u0131daki gibi 56 adet PCI flash card gelir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4283\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/1.png\" alt=\"\" width=\"447\" height=\"212\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/1.png 447w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/1-300x142.png 300w\" sizes=\"auto, (max-width: 447px) 100vw, 447px\" \/><\/p>\n<p>Her bir Storage Server da 3.2 TB boyutunda 4 adet PCI flash memory\u00a0 gelir. Smart Flash Cache ayarlar\u0131 ilk kurulurken yap\u0131l\u0131r sonradan da ihtiyaca g\u00f6re de\u011fi\u015ftirilebilir.<\/p>\n<p>Her bir Storage Server a ba\u011flan\u0131p CellCLI tooluyla a\u015fa\u011f\u0131daki sorgular\u0131 \u00e7ekip o Cell \u00fczerinde bulunan Flash Cache in ad\u0131, size \u0131, durumunu ve modunu gibi detayl\u0131 bilgileri sorgulayabiliriz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4285\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/capture.png\" alt=\"\" width=\"614\" height=\"379\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/capture.png 1065w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/capture-300x185.png 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/capture-768x475.png 768w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/capture-1024x633.png 1024w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4286\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/2.png\" alt=\"\" width=\"614\" height=\"336\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/2.png 753w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/2-300x164.png 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4287\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/3.png\" alt=\"\" width=\"614\" height=\"579\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/3.png 741w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/3-300x283.png 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Exadata Write Through ve Write Back olmak \u00fczere 2 tip flash cache modunu destekler. Write Through default mode olarak gelir.<\/p>\n<p><strong>Write Through<\/strong><\/p>\n<ul>\n<li>Bu modda yazma talebi geldi\u011fi zaman CellSRV veriyi diske yazar ve veritaban\u0131na di\u011fer operasyonlara devam etmesi i\u00e7in onay g\u00f6nderir ve Verinin Cache lenip Cache lenmeyece\u011fini \u00f6\u011frenmek i\u00e7in uygun bir \u00e7a\u011fr\u0131 almay\u0131 bekler. Bundan dolay\u0131 bu mod kullan\u0131ld\u0131\u011f\u0131 zaman yazma modunda avantaj sa\u011flanmaz,pe\u015fi s\u0131ra gelen okuma operasyonu ise cache lenmeden dolay\u0131 avantaj sa\u011flar.<\/li>\n<li>Okuma talebi geldi\u011fi zaman e\u011fer veri ilk defa okunacaksa, CellSRV \u00e7e\u015fitli fakt\u00f6rleri g\u00f6z\u00f6n\u00fcne alarak cache leyip cache lemeyece\u011fine karar vermelidir.<\/li>\n<\/ul>\n<p><strong>Write Back<\/strong><\/p>\n<p>Exadata Storage Software 11.2.3.2.0 versiyonuyla beraber yazma operasyonlar\u0131n\u0131n yo\u011fun oldu\u011fu ortamlarda Write back modu se\u00e7ildi\u011fi zaman avantaj sa\u011flamaya ba\u015flad\u0131. Bu mod aktifle\u015ftirildi\u011fi zaman yazma operasyonu oldu\u011funda a\u015fa\u011f\u0131daki aksiyonlar al\u0131n\u0131r.<\/p>\n<ul>\n<li>Yazma talebi geldi\u011fi zaman bunun Cache lenip Cache lenmeyece\u011fine cevap almak i\u00e7in CellSRV ak\u0131ll\u0131 bir Cache leme algoritmas\u0131 kullan\u0131r.<\/li>\n<li>E\u011fer cevap olumluysa veri cache lenir ve veritaban\u0131na operasyonlar\u0131n\u0131n devam etmesi i\u00e7in onay g\u00f6nderilir.<\/li>\n<li>Cache de tutulan veri sadece \u00e7ok az kullan\u0131lmaya ba\u015flay\u0131nca yada eskiyince diske yaz\u0131l\u0131r.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Storage Server da hangi modun kullan\u0131ld\u0131\u011f\u0131n\u0131 a\u015fa\u011f\u0131daki sorguyla \u00f6\u011frenebiliriz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4288\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/4.png\" alt=\"\" width=\"398\" height=\"76\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/4.png 398w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/4-300x57.png 300w\" sizes=\"auto, (max-width: 398px) 100vw, 398px\" \/><\/p>\n<p>Yada Cell in detayl\u0131 \u00f6zelliklerinden de a\u015fa\u011f\u0131daki gibi g\u00f6rebilirsiniz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4289\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/5.png\" alt=\"\" width=\"614\" height=\"439\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/5.png 848w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/5-300x214.png 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/5-768x549.png 768w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>Writeback modunu Rolling modda aktifle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar uygulanabilir.<\/p>\n<ol>\n<li>CellCLI&gt; drop flashcache<\/li>\n<li>CellCLI&gt; list griddisk attributes name,asmmodestatus,asmdeactivationoutcome<\/li>\n<li>CellCLI&gt; alter griddisk all inactive<\/li>\n<li>CellCLI&gt; alter cell shutdown services cellsrv<\/li>\n<li>CellCLI&gt;\u00a0<strong>alter cell flashCacheMode=WriteBack<\/strong><\/li>\n<li>CellCLI&gt; alter cell startup services cellsrv<\/li>\n<li>CellCLI&gt; alter griddisk all active<\/li>\n<li>CellCLI&gt; create flashcache all<\/li>\n<li>CellCLI&gt; list cell detail [OR] list cell attributes flashCacheMode<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Yukardaki ad\u0131mlar\u0131 her Cell \u00fczerinde yapmam\u0131z gerekmektedir. Bu i\u015flemi Rolling yapabildi\u011fimiz gbi non-rolling modda da yapabiliriz. Ancak non-rolling modda yap\u0131ld\u0131\u011f\u0131nda tamamen kesinti almam\u0131z gerekmektedir.<\/p>\n<p>Writeback mode yazma a\u011f\u0131rl\u0131kl\u0131 operasyonlarda disk yerine direk Cache\/memory e yazd\u0131\u011f\u0131 i\u00e7in ciddi avantaj sa\u011flar. Bu mod yazma operasyonlar\u0131n\u0131n okumadan daha fazla oldu\u011fu ortamlarda \u00e7ok uygundur. Genel olarak OLTP ortamlar i\u00e7in Write back, OLAP ortamlar i\u00e7in Write Through uygundur diyebiliriz.<\/p>\n<p><strong>Smart Flash Cache Logging<\/strong><\/p>\n<p>A\u015f\u0131r\u0131 commit g\u00f6ren sistemlerde veritaban\u0131n\u0131n h\u0131zl\u0131 bir \u015fekilde redo log yazmas\u0131 performans a\u00e7\u0131s\u0131ndan \u00e7ok \u00f6nemli bir rold\u00fcr. Exadata Software 11.2.2.4 versiyonuyla beraber Smart flash cache logging \u00f6zelli\u011fiyle redo log kay\u0131tlar\u0131 ayn\u0131 anda diske ve flash ( memory ) alan\u0131na yaz\u0131l\u0131r. Exadata diskten yada flash dan h\u0131zl\u0131 d\u00f6n\u00fc\u015f yada onay almak istedi\u011finde bir yazma i\u015flemi i\u00e7in endi\u015fe duymadan cevap alabilecektir. Bu \u00f6zellik redo loglar\u0131n \u00e7oklanmas\u0131na benzemektedir. Burdaki tek avantaj redo log kopyas\u0131n\u0131n ayn\u0131 zamanda Flash ada yaz\u0131l\u0131yor olmas\u0131d\u0131r. Flash cache logging \u00f6zelli\u011fi default olarak 512MB ve 32MB da cell \u00fczerinde Flash alan kaplamakta olup \u00c7o\u011fu uygulama i\u00e7in e\u015fit ve yeterli olarak tasarlanm\u0131\u015ft\u0131r.<\/p>\n<p>Flash Cache logging i a\u015fa\u011f\u0131daki gibi sorgulayabiliriz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4290\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/6.png\" alt=\"\" width=\"614\" height=\"151\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/6.png 867w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/6-300x74.png 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/6-768x189.png 768w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p><strong>Configuring [re] Smart Flash Cache<\/strong><\/p>\n<p>Smart flash cache i konfig\u00fcre etmek i\u00e7in a\u015fa\u011f\u0131daki komutlar kullan\u0131labilir.<\/p>\n<p>CellCLI&gt; DROP\u00a0 FLASHCACHE<\/p>\n<p>CellCLI&gt; CREATE FLASHLOG ALL<\/p>\n<p>CellCLI&gt; CREATE FLASHCACHE ALL<\/p>\n<p>Belirli bir obje i\u00e7in bu \u00f6zelli\u011fi \u00f6nceliklendirmek yada yetki vermek i\u00e7in a\u015fa\u011f\u0131daki komutlar\u0131 kullanabiliriz.<\/p>\n<p>SQL&gt; CREATE TABLE emp (ENO NUMBER, ENAME VARCHAR2(50))\u00a0<strong>STORAGE (CELL_FLASH_CACHE<\/strong><strong>\u00a0<\/strong><strong><u>KEEP<\/u><\/strong><strong>)<\/strong>;<\/p>\n<p>SQL&gt; ALTER TABLE emp STORAGE (CELL_FLASH_CACHE\u00a0<strong><u>NONE<\/u><\/strong>);<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Flash Cache Compression<\/strong><\/p>\n<p>S\u0131k\u0131\u015ft\u0131rma teknolojilerindeki en temel ama\u00e7 mevcut veriyi s\u0131k\u0131\u015ft\u0131rarak depolama alan\u0131ndan kazan\u00e7 sa\u011flamakt\u0131r. Exadata da normal data i\u00e7in kulland\u0131\u011f\u0131 HCC nin yan\u0131nda Flash Cache ide s\u0131k\u0131\u015ft\u0131rmay\u0131 desteklemektedir b\u00f6ylece s\u0131k\u0131\u015ft\u0131rma kullan\u0131larak mevcut Flash alanine 2 kat\u0131na \u00e7\u0131kartabilir b\u00f6ylece disk e eri\u015fmeyi azaltabiliriz. Flash Cache compression \u0131n aktif olabilmesi i\u00e7in a\u015fa\u011f\u0131daki gereksinimlerin kar\u015f\u0131lan\u0131yor olmas\u0131 gerekmektekdir.<\/p>\n<ul>\n<li>Exadata &gt;=X3-2<\/li>\n<li>Exadata software &gt;=11.2.3.3<\/li>\n<li>Oracle Advanced Compression option<\/li>\n<\/ul>\n<p><strong>Flash Cache Compression Aktifle\u015ftirilmesi<\/strong><\/p>\n<p>Bir Cell \u00fczerinde a\u015fa\u011f\u0131daki ad\u0131mlarla Flash Cache aktif edilir<\/p>\n<ol>\n<li>CellCLI&gt; ALTER FLASHCACHE ALL FLUSH<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Flash cache i\u00e7in write back modunda de\u011filse a\u015fa\u011f\u0131daki hata al\u0131n\u0131r.<\/p>\n<p>Flash cache flush on FD_00_usdwi20 failed because flash cache is not in write back mode.<\/p>\n<p>Flash cache flush on FD_01_usdwi20 failed because flash cache is not in write back mode.<\/p>\n<p>&nbsp;<\/p>\n<ol start=\"2\">\n<li>CellCLI&gt; DROP FLASH CACHE ALL<\/li>\n<li>CellCLI&gt; DROP FLASHLOG ALL<\/li>\n<li>CellCLI&gt; DROP CELLDISK ALL FLASHDISK<\/li>\n<li><strong>CellCLI&gt; ALTER CELL flashCacheCompress=true<\/strong><\/li>\n<li>CellCLI&gt; CREATE CELLDISK all flashdisk<\/li>\n<li>CellCLI&gt; CREATE FLASHLOG ALL<\/li>\n<li>CellCLI&gt; CREATE FLASHCACHE ALL<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Flash Cache in disable edilmesi isteniyorsa 5.ad\u0131mda flashCacheCompress parametresi true yerine false yap\u0131l\u0131r. Flash Cache compress in aktif olup olmad\u0131\u011f\u0131n\u0131 a\u015fa\u011f\u0131daki komutla sa\u011flanabilir.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>CellCLI&gt; list cell attributes flashcachecompress<\/p>\n<p>CellCLI&gt; list flashcache attributes name,size<\/p>\n<p>CellCLI&gt; list metriccurrent fc_by_used<\/p>\n<p>&nbsp;<\/p>\n<p>Flash Cache Compression aktif oldu\u011fu zaman s\u0131k\u0131\u015ft\u0131r\u0131lmam\u0131\u015f tablolar HCC ile s\u0131k\u0131\u015ft\u0131r\u0131lan tablolardan daha avantajl\u0131 olur. S\u0131k\u0131\u015ft\u0131rma ve gev\u015fetme yada a\u00e7ma tamamen flash alan\u0131nda otomatik bir \u015fekilde ger\u00e7ekle\u015ftiri\u011fi i\u00e7in son kullan\u0131c\u0131ya ve uygulamaya performans problem yans\u0131mamaktad\u0131r.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4291\" src=\"https:\/\/salihdeveci.files.wordpress.com\/2018\/04\/7.png\" alt=\"\" width=\"614\" height=\"520\" srcset=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/7.png 807w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/7-300x254.png 300w, https:\/\/ittutorial.org\/wp-content\/uploads\/2018\/04\/7-768x650.png 768w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>B\u00f6ylece bu yaz\u0131m\u0131n daha sonuna gelmi\u015f bulunmaktay\u0131m. Bir sonraki yaz\u0131da g\u00f6r\u00fc\u015fmek dile\u011fiyle esen kal\u0131n&#8230;<\/p>\n\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">Oracle Exadata SQL Server Goldengate Weblogic EBS ve Linux konusunda a\u015fa\u011f\u0131daki konularda 7&#215;24 Uzman Dan\u0131\u015fmanlara yada E\u011fitimlere mi\u00a0<\/span><span style=\"color: #ff0000;\">\u0130htiyac\u0131n\u0131z var <a href=\"mailto:mehmetsalih.deveci@outlook.com\">mehmetsalih.deveci@outlook.com<\/a> adresine mail atarak Bizimle ileti\u015fime ge\u00e7ebilirsiniz.<\/span><\/p>\n<p><span style=\"color: #ff0000;\">&#8211; Oracle Veritaban\u0131 Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle Veritaban\u0131 Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Exadata Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Exadata Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; SQL Server Veritaban\u0131 Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; SQL Server Veritaban\u0131 Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Goldengate Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Goldengate Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Linux Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Linux Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EBS Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EBS Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Weblogic Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Weblogic Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle Veritaban\u0131 E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle VM Server Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle VM Server Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EPPM Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EPPM Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle Primavera Dan\u0131\u015fmanl\u0131\u011f\u0131<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle Primavera Bak\u0131m ve Destek<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; SQL Server E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Goldengate E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Exadata E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Linux E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EBS E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle VM Server E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Weblogic E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle EPPM E\u011fitimleri<\/span><br \/>\n<span style=\"color: #ff0000;\">&#8211; Oracle Primavera E\u011fitimleri<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Merhaba Arkada\u015flar, Bu yaz\u0131mda da \u00f6nceki 6 yaz\u0131da oldu\u011fu gibi Exadatay\u0131 anlatmaya devam edece\u011fim. Exadatan\u0131n sihirli \u00f6zelliklerinden birisi olan Flash Cache \u00f6zelli\u011fini anlat\u0131yor olaca\u011f\u0131m.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7,14,23],"tags":[402,480,573,576,577,579,580,582,583,584,581,587,588,589,590,591,592,593,597,598,594,595,1199,1266,1267,1345],"class_list":["post-4281","post","type-post","status-publish","format-standard","","category-exadata","category-oracle-turkce","category-veritabani","tag-cellcli","tag-dba-danismanlik","tag-exadata-avantajlari","tag-exadata-cellcli","tag-exadata-compression","tag-exadata-danismanlik","tag-exadata-database-machine","tag-exadata-dcli","tag-exadata-disk","tag-exadata-disk-operation","tag-exadata-dokumani","tag-exadata-egitimi","tag-exadata-fiyati","tag-exadata-flash-cache","tag-exadata-hcc","tag-exadata-hybrid-columnar-compression","tag-exadata-mehmet-salih-deveci","tag-exadata-rac","tag-exadata-sikistirma","tag-exadata-sikistirma-teknikleri","tag-exadata-smart-flash-cache","tag-exadata-smart-scan","tag-oracle-danismanlik","tag-oracle-egitim","tag-oracle-egitimi","tag-oracle-support"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/4281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/comments?post=4281"}],"version-history":[{"count":3,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/4281\/revisions"}],"predecessor-version":[{"id":16709,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/4281\/revisions\/16709"}],"wp:attachment":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/media?parent=4281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/categories?post=4281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/tags?post=4281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}