Write pipeline sequence numbers should be sequential with no skips or duplicates
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Key: HDFS-1497
URL: https://issues.apache.org/jira/browse/HDFS-1497
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs client
Affects Versions: 0.20-append, 0.22.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
In HDFS-895 we discovered that multiple hflush() calls in a row without
intervening writes could cause a skip in sequence number. This doesn't seem to
have any direct consequences, but we should maintain and assert the invariant
that sequence numbers have no gaps or duplicates.
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