Xiaolin Ha created HBASE-27927:
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             Summary: Zero length WALKey and WALEntry cells may cause 
replication with WAL compression stuck
                 Key: HBASE-27927
                 URL: https://issues.apache.org/jira/browse/HBASE-27927
             Project: HBase
          Issue Type: Bug
          Components: Replication
    Affects Versions: 2.5.5, 2.4.17, 3.0.0-alpha-4
            Reporter: Xiaolin Ha
            Assignee: Xiaolin Ha


We found both the two replication stuck circumstances on our production 
production clusters, which enables 'hbase.regionserver.wal.enablecompression' 
and 'hbase.regionserver.wal.value.compression.type'. 

The zero length of WALKey and WALEntry cells should be skipped.



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