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Posted to dev@hbase.apache.org by "Himanshu Vashishtha (JIRA)" <ji...@apache.org> on 2013/11/08 19:10:17 UTC

[jira] [Created] (HBASE-9925) Don't close a file if doesn't EOF while replicating

Himanshu Vashishtha created HBASE-9925:
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             Summary: Don't close a file if doesn't EOF while replicating
                 Key: HBASE-9925
                 URL: https://issues.apache.org/jira/browse/HBASE-9925
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.96.0, 0.98.0
            Reporter: Himanshu Vashishtha


While doing replication, we open and close the WAL file _every_ time we read entries to send. We could open/close the reader only when we hit EOF. That would alleviate some NN load, especially on a write heavy cluster.

This came while discussing our current open/close heuristic in replication with [~jdcryans].



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