Slow Extent Allocation For Partitioned Compressed Table Causing Slowdown With enq: TX - contention And L1 validation Wait Events
(Doc ID 2488646.1)
Last updated on MARCH 12, 2021
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
Slow extent allocation for partitioned compressed table causing slowdown with enq: tx - contention and l1 validation wait events
When it happens, most of PX slaves wait for "TX - contention" and stack for blockers (PX slaves as well) contains ktsp_bump_hwm, which means we are trying to extend the segment to get new space and are on CPU
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