Wellington Chevreuil created HBASE-29183:
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Summary: Fix flakeyness on TestVerifyBucketCacheFile
Key: HBASE-29183
URL: https://issues.apache.org/jira/browse/HBASE-29183
Project: HBase
Issue Type: Bug
Reporter: Wellington Chevreuil
Assignee: Wellington Chevreuil
I've noticed some flakeyness in some of the tests from
TestVerifyBucketCacheFile. One of the latest intermittent failures I've found
on the precommit run for a PR:
{noformat}
java.lang.AssertionError: expected:<0> but was:<17408>
at org.junit.Assert.fail(Assert.java:89)
at org.junit.Assert.failNotEquals(Assert.java:835)
at org.junit.Assert.assertEquals(Assert.java:647)
at org.junit.Assert.assertEquals(Assert.java:633)
at
org.apache.hadoop.hbase.io.hfile.bucket.TestVerifyBucketCacheFile.testModifiedBucketCacheFileData(TestVerifyBucketCacheFile.java:247)
{noformat}
These are quite hard to reproduce locally, but after analysing the test code
and the stack trace, I believe this might be related to the changes from
HBASE-28900, which allowed BucketAllocator to complete initialisation with a
partially recovered cache, requiring the backingMap validation to complete, in
order to get rid of entries with inconsistent checksums.
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