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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13129) Add troubleshooting hints around WAL retention from replication
Date Thu, 14 Apr 2016 08:06:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240776#comment-15240776
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Hudson commented on HBASE-13129:
--------------------------------

FAILURE: Integrated in HBase-Trunk_matrix #847 (See [https://builds.apache.org/job/HBase-Trunk_matrix/847/])
HBASE-13129 Add troubleshooting hints around WAL retention from (busbey: rev dbdfd8e8d12a6841ce00896a7bf59a4ed4f3b9a6)
* src/main/asciidoc/_chapters/troubleshooting.adoc
* src/main/asciidoc/_chapters/ops_mgt.adoc


> 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
>             Fix For: 2.0.0
>
>         Attachments: HBASE-13129-v1.patch, 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_17uOw@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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