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Signed-off-by: xufei <xufeixw@mail.ustc.edu.cn>
pingcap · Apr 7, 2024 · 977ee2c · 977ee2c
1 parent aa92864
commit 977ee2c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkg/executor/join.go b/pkg/executor/join.go
@@ -1661,6 +1661,8 @@ func (e *hashJoinRuntimeStats) String() string {
 		buf.WriteString(execdetails.FormatDuration(time.Duration(atomic.LoadInt64(&e.maxFetchAndProbe))))
 		buf.WriteString(", probe:")
 		buf.WriteString(execdetails.FormatDuration(time.Duration(e.probe)))
+		// fetch time is the time wait fetch result from its child executor,
+		// wait time is the time wait its parent executor to fetch the joined result
 		buf.WriteString(", fetch and wait:")
 		buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe - e.probe)))
 		if e.hashStat.probeCollision > 0 {