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https://issues.apache.org/jira/browse/HBASE-13129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Misty Stanley-Jones updated HBASE-13129:
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Status: Patch Available (was: Open)
> Add troubleshooting hints around WAL retention from replication
> ---------------------------------------------------------------
>
> Key: HBASE-13129
> URL: https://issues.apache.org/jira/browse/HBASE-13129
> Project: HBase
> Issue Type: Improvement
> Components: documentation, Replication
> Reporter: Sean Busbey
> Assignee: Misty Stanley-Jones
> Labels: operations, supportability
> Attachments: HBASE-13129.patch
>
>
> There's been some confusion on the mailing list about when WALs get retained
> / cleaned up once replication is on at all in a cluster. (ref [this
> thread|http://mail-archives.apache.org/mod_mbox/hbase-user/201502.mbox/%3ccamuu0w9aovbo7kgulim9txrulirqs9fm-3ra3pqccypw_17...@mail.gmail.com%3E])
> We should add a NOTE in the replication section that wals are saved across
> enable/disable so long as there are peers. There looks like there might also
> be some confusing language around replication being enabled in the configs vs
> the enable/disable suspension mechanism.
> We should also add a troubleshooting item specific for "my HDFS space keeps
> growing and it's all in oldWALs."
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