kv: introduce trace event on concurrency retry error

Improves observability. Release note: None Epic: None
cockroachdb · Jan 13, 2023 · 7de1273 · 7de1273
1 parent f2d5e16
commit 7de1273
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkg/kv/kvserver/replica_send.go b/pkg/kv/kvserver/replica_send.go
@@ -497,6 +497,8 @@ func (r *Replica) executeBatchWithConcurrencyRetries(
 			return nil, nil, pErr
 		}
 
+		log.VErrEventf(ctx, 2, "concurrency retry error: %s", pErr)
+
 		// The batch execution func returned a server-side concurrency retry error.
 		// It may have either handed back ownership of the concurrency guard without
 		// having already released the guard's latches, or in case of certain types