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https://issues.apache.org/jira/browse/HBASE-8844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697484#comment-13697484
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Dave Latham commented on HBASE-8844:
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How about we update the patch to include a warning in the patch that .oldlogs
will stop being cleaned and HMaster heap may grow until replication is started
again?
> Document stop_replication danger
> --------------------------------
>
> Key: HBASE-8844
> URL: https://issues.apache.org/jira/browse/HBASE-8844
> Project: HBase
> Issue Type: Task
> Components: documentation
> Reporter: Patrick
> Priority: Minor
> Attachments: HBASE-8844.patch
>
>
> The first two tutorials for enabling replication that google gives me [1],
> [2] take very different tones with regard to stop_replication. The HBase docs
> [1] make it sound fine to start and stop replication as desired. The Cloudera
> docs [2] say it may cause data loss.
> Which is true? If data loss is possible, are we talking about data loss in
> the primary cluster, or data loss in the standby cluster (presumably would
> require reinitializing the sync with a new CopyTable).
> [1]
> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/replication/package-summary.html#requirements
> [2]
> http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/4.2.0/CDH4-Installation-Guide/cdh4ig_topic_20_11.html
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