Comments on: Index ITLs

By: Fragmentation 4 « Oracle Scratchpad

Fragmentation 4 « Oracle Scratchpad — Thu, 22 Jul 2010 19:02:10 +0000

[...] have written several notes about a problem with leaf block splits that used to appear occasionally in systems that used [...]

By: Index ITL « Timur Akhmadeev's blog

Index ITL « Timur Akhmadeev's blog — Tue, 27 Apr 2010 19:57:18 +0000

[...] transaction list), how and when they become huge and make index bigger in size – see this post with links to several other articles. As it turned out in a recent thread on SQL.ru forum, one of [...]

By: Index Efficiency 3 « Oracle Scratchpad

Index Efficiency 3 « Oracle Scratchpad — Wed, 03 Mar 2010 21:21:19 +0000

[...] handle leaf node splits that can appear even at fairly low levels of concurrency . This results in excess ITL entries being allocated in the new leaf nodes. Once the ITL entires have been allocated they are always propagated across [...]