Open srosenberg opened 1 year ago
@cockroachdb/sql-sessions
@ecwall since you're on call right now, could you pick this up to see where the extra time is being spent? depending on what you find, we can work on a fix now, or plan the work for later.
Reproduction steps here https://github.com/cockroachdb/cockroach/issues/101299#issuecomment-1520466940
Note:
be careful with the workload gen.; best to build it from master because there was a previously known regression which limits workload’s throughput generation.
Split from https://github.com/cockroachdb/cockroach/issues/101299
A performance regression of ~3-5% was observed in
execStmtInOpenState
. The flamegraphs below suggest the regression was caused by [1].Before the change (baseline commit is a3d53668ff5),
After the change,
[1] https://github.com/cockroachdb/cockroach/pull/99663
Jira issue: CRDB-27421