agavra commented on code in PR #9933:
URL: https://github.com/apache/pinot/pull/9933#discussion_r1042701595
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/executor/OpChainScheduler.java:
##########
@@ -55,4 +55,9 @@ public interface OpChainScheduler {
* prior to this call
*/
OpChain next();
+
+ /**
+ * @return the number of operator chains that are awaiting execution
+ */
+ int size();
Review Comment:
there's no need for lock because OCSchedulers are not thread safe - thread
safety should come from caller if they care about it
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