Butao Zhang

> I'm wondering how could weproceed with this, trying to understand TEZ-3302 in practice at the same time @zhangbutao , @rbalamohan : can you explain a scenario when this timeout...

> @zhangbutao : thanks for your comments, according to the last comment, I'm considering this as approved, let me know if it's otherwise Yes, free to merge this change. :)

> @zhangbutao , could we extract this check logic into some method to be consistent in multiple places where this check is used? It seems that it is not easy...

Did you see the same issue in case of other long running framework accessing the HMS? Such as Spark streaming. I am not very familar this part, but i think...

The failed tests seem to be related. http://ci.hive.apache.org/blue/organizations/jenkins/hive-precommit/detail/PR-5063/1/tests

+ @dengzhhu653 @deniskuzZ @ayushtkn @saihemanth-cloudera may be interested in this improvement. :)

http://ci.hive.apache.org/blue/organizations/jenkins/hive-precommit/detail/PR-5063/13/tests/ `org.apache.iceberg.mr.hive.TestConflictingDataFiles::testMultiFiltersUpdate` I think this is a flaky test. I have seen this faliure many times. Run a flaky check to see results. http://ci.hive.apache.org/job/hive-flaky-check/831/

> http://ci.hive.apache.org/blue/organizations/jenkins/hive-precommit/detail/PR-5063/13/tests/ `org.apache.iceberg.mr.hive.TestConflictingDataFiles::testMultiFiltersUpdate` I think this is a flaky test. I have seen this faliure many times. Run a flaky check to see results. http://ci.hive.apache.org/job/hive-flaky-check/831/ http://ci.hive.apache.org/job/hive-flaky-check/831/testReport/ test report shows that...

Need to rerun the CI to get a green pass.

@dengzhhu653 Not sure if i understand correctly. > Applying the change Hive may suffer from intermittent outage when the CBO is on(HiveServer2 connects to the old HMS but with the...