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Michael Stack resolved HBASE-24167. ----------------------------------- Fix Version/s: 2.2.5 Assignee: Michael Stack Resolution: Fixed Helps w/ test flakyness. There is probably issue in here when in-memory compaction enabled but have not dug in. > [Flakey Tests] TestHRegionWithInMemoryFlush#testWritesWhileScanning gets > stuck MVCC > ----------------------------------------------------------------------------------- > > Key: HBASE-24167 > URL: https://issues.apache.org/jira/browse/HBASE-24167 > Project: HBase > Issue Type: Bug > Reporter: Michael Stack > Assignee: Michael Stack > Priority: Major > Fix For: 3.0.0, 2.3.0, 2.2.5 > > Attachments: > 0001-HBASE-24167-Flakey-Tests-TestHRegionWithInMemoryFlus.patch > > > I see this in recent nightly fails on branch-2, my experimental branch. It > happened in the two builds last night. It was only test to fail. Both failed > with: > 2020-04-10 07:42:46,700 WARN [Time-limited test] > regionserver.MultiVersionConcurrencyControl(228): STUCK: > MultiVersionConcurrencyControl{readPoint=8684, writePoint=8686} > I ran the test in my harness and it pushes up against heap limits for sure, > especially after recent cut down in forked jvm size. > For now, see if alleviating scope of testWritesWhileScanning just when called > from this test helps w/ flakeyness. Probably worth a deep dive why we get > into this state w/ in-memory compaction. -- This message was sent by Atlassian Jira (v8.3.4#803005)