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From "Guanghao Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-17303) Let master to check and transfer the dead rs's replication queues
Date Fri, 29 Dec 2017 10:16:03 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Guanghao Zhang resolved HBASE-17303.
    Resolution: Duplicate

Duplicate with HBASE-19633. And this problem will not exist after HBASE-19397.

> 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
>            Assignee: Guanghao Zhang
> Dump replication queues result from our cluster.
> {code}
> Found 8 deleted queues, run hbck -fixReplication in order to remove the deleted replication
>     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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