Waits for 'latch free' When RESULT_CACHE_MODE=FORCE. Trace Shows Blocking Latch is 'Result Cache: RC Latch'
Last updated on SEPTEMBER 19, 2016
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2]
Information in this document applies to any platform.
- When result_cache_mode is set to Force, many sessions start waiting on 'latch free' and appear to hang
For example, the following may appear to hang :
- Trace shows that the blocking latch is 'Result Cache: RC Latch' in the PROCESS STATE header
- The call stacks and the involved sql matches <Bug 12778309> which is a duplicate of <Bug 12658411>
Applied Patch for <Bug 12658411>, but still the problem occurs.
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