Bug #76460 | Cost constant cache's mutex not instrumented by performance schema | ||
---|---|---|---|
Submitted: | 23 Mar 2015 13:01 | Modified: | 8 Apr 2015 13:31 |
Reporter: | Olav Sandstå | Email Updates: | |
Status: | Closed | Impact on me: | |
Category: | MySQL Server: Optimizer | Severity: | S3 (Non-critical) |
Version: | 5.7.5 | OS: | Any |
Assigned to: | CPU Architecture: | Any |
[23 Mar 2015 13:01]
Olav Sandstå
[8 Apr 2015 13:31]
Paul DuBois
Noted in 5.7.8, 5.8.0 changelogs. The mutex used for the optimizer cost model cost-constant cache was not instrumented by the Performance Schema. This instrument is now available as wait/synch/mutex/sql/Cost_constant_cache::LOCK_cost_const.