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https://issues.apache.org/jira/browse/HBASE-13403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395042#comment-14395042
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Esteban Gutierrez commented on HBASE-13403:
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10 seconds should be fine since operators and tools basically wait until HDFS
is out of safemode in order to start HBase. This only adds the possibility to
change tune it separately for those that would like to start HDFS and HBase at
the same time.
> Make waitOnSafeMode configurable in MasterFileSystem
> ----------------------------------------------------
>
> Key: HBASE-13403
> URL: https://issues.apache.org/jira/browse/HBASE-13403
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Esteban Gutierrez
> Assignee: Esteban Gutierrez
> Priority: Minor
> Attachments:
> 0001-HBASE-13403-Make-waitOnSafeMode-configurable-in-Mast.patch
>
>
> We currently wait whatever is the configured value of
> hbase.server.thread.wakefrequency or the default 10 seconds. We should have a
> configuration to control how long we wait until the HDFS is no longer in safe
> mode, since using the existing hbase.server.thread.wakefrequency property to
> tune that can have adverse side effects. My proposal is to add a new property
> called hbase.master.waitonsafemode and start with the current default.
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