Saturday, April 28, 2012

Oracle Unbreakable Enterprise Kernel Release 2

Попался мне интересный документ: Oracle Unbreakable Enterprise Kernel Release 2 Release Notes

Весьма рекомендую всем почитать.
Что привлекло мое внимание в новом ядре :
Transparent Huge Pages - dynamically allocating hugepages
Memory compaction - merge used pages into a new big block of contiguous pages
Transmit Packet Steering - spreading of outcoming network traffic across all CPUs in system


  

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Does DEALLOCATE UNUSED or SHRINK SPACE will free space occupied by LOB segment?

Lets check how it works. My env is DB 19.20@Linux-x64 1) I created the table with 4 LOB columns of 4 different LOB types: BASICFILE BLOB, BA...