Xiao Chen created HDFS-12116:
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Summary: BlockReportTestBase#blockReport_08 and #blockReport_08
intermittently fail
Key: HDFS-12116
URL: https://issues.apache.org/jira/browse/HDFS-12116
Project: Hadoop HDFS
Issue Type: Bug
Components: test
Affects Versions: 0.22.0
Reporter: Xiao Chen
Assignee: Xiao Chen
This seems to be long-standing, but the failure rate (~10%) is slightly higher
in dist-test run in using cdh.
In both _08 and _09 tests:
# an attempt is made to make a replica in {{TEMPORARY}}
state, by {{waitForTempReplica}}.
# Once that's returned, the test goes on to verify block reports shows correct
pending replication blocks.
But there's a race condition. If the replica is replicated between steps #1 and
#2, {{getPendingReplicationBlocks}} could return 0 or 1, depending on how many
replicas are replicated, hence failing the test.
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