[replication] ReplicationSource won't cleanup logs if there's nothing to
replicate
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Key: HBASE-3044
URL: https://issues.apache.org/jira/browse/HBASE-3044
Project: HBase
Issue Type: Bug
Affects Versions: 0.89.20100924
Reporter: Jean-Daniel Cryans
Assignee: Jean-Daniel Cryans
Fix For: 0.90.0
ReplicationSource only calls
ReplicationSourceManager.logPositionAndCleanOldLogs if it replicated something,
meaning that a region server that doesn't host a region with replicable edits
will read through the logs but never report the position in zookeeper and won't
clean the processed hlogs. This happened on one cluster here and shutting down
a region server took a few minutes just to delete all the znodes.
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