Andrew Purtell created HBASE-19138:
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Summary: Rare failure in TestLruBlockCache
Key: HBASE-19138
URL: https://issues.apache.org/jira/browse/HBASE-19138
Project: HBase
Issue Type: Bug
Components: test
Reporter: Andrew Purtell
Assignee: Andrew Purtell
Priority: Trivial
Fix For: 2.0.0, 3.0.0, 1.4.0, 1.5.0
[ERROR]
testCacheEvictionThreadSafe(org.apache.hadoop.hbase.io.hfile.TestLruBlockCache)
Time elapsed: 0.028 s <<< FAILURE!
java.lang.AssertionError: expected:<0> but was:<1>
at
org.apache.hadoop.hbase.io.hfile.TestLruBlockCache.testCacheEvictionThreadSafe(TestLruBlockCache.java:86)
Fix for this I think is waiting for the block count to drop to zero after
awaiting shutdown of the executor pool. There's a rare race here. Tests look
good using a Waiter predicate so far, but I haven't finished all 100 iterations
yet.
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