Guanghao Zhang created HBASE-17303:
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Summary: Let master to check and transfer the dead rs's
replication queues
Key: HBASE-17303
URL: https://issues.apache.org/jira/browse/HBASE-17303
Project: HBase
Issue Type: Bug
Components: Replication
Reporter: Guanghao Zhang
Dump replication queues result from our cluster.
{code}
Found 8 deleted queues, run hbck -fixReplication in order to remove the deleted
replication queues
hostname,24610,1481528189915/80-hostname,24620,1476784763605
hostname,24620,1476784763605/70-hostname,24630,1470418208092-hostname,24600,1476773709589
hostname,24630,1481528526258/17000-hostname,24620,1470044455538-hostname,24630,1470037674231-hostname,24600,1476773708489-hostname,24620,1476784763605
hostname,24620,1481528358531/70-hostname,24600,1476773709589-hostname,24620,1476784763605
hostname,24600,1481528021595/70-hostname,24630,1470421093464-hostname,24630,1476773708939-hostname,24610,1476779010928-hostname,24620,1476784747260
hostname,24600,1481528021595/17000-hostname,24620,1476784763605
hostname,24600,1481528021595/17000-hostname,24630,1475381530644-hostname,24600,1476773709589-hostname,24620,1476784763605
hostname,24600,1481528021595/17000-hostname,24600,1476773709589-hostname,24620,1476784763605
Found 2 dead regionservers, restart one regionserver to transfer the queues of
dead regionservers
hostname,24600,1481547616148
hostname,24620,1476784763605
{code}
Now for dead rs's replication znode, you need restart one regionserver to
transfer the replication queues of dead regionservers. Same idea with
HBASE-16336, we can let master to periodically check the dead rs znode, too.
And send the transfer replication queues request to any regionserver. Then the
dead rs's replication queues can be transfer automatically and don't need to
wait a regionserver restart. Any suggestions are welcomed.
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