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Posted to dev@hbase.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2016/04/30 01:56:13 UTC

[jira] [Created] (HBASE-15740) Replication source.shippedKBs metric is undercounting because it is in KB

Enis Soztutar created HBASE-15740:
-------------------------------------

             Summary: Replication source.shippedKBs metric is undercounting because it is in KB
                 Key: HBASE-15740
                 URL: https://issues.apache.org/jira/browse/HBASE-15740
             Project: HBase
          Issue Type: Sub-task
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 2.0.0, 1.3.0, 1.4.0


In a cluster where there is replication going on, I've noticed that this is always 0:
{code}
    "source.shippedKBs" : 0,
{code}

Looking at the source reveals why:
{code}
          metrics.shipBatch(currentNbOperations, currentSize / 1024, currentNbHFiles);
{code}

It is always undercounting because we discard remaining bytes after KB boundary. This is specially a problem when we are always shipping small batches <1KB.  



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