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https://issues.apache.org/jira/browse/HBASE-29756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18043362#comment-18043362
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Anuj Sharma commented on HBASE-29756:
-------------------------------------
[~andor] [~wchevreuil_impala_4c86] [~kgeiszler]
What should be the behavior here if user change the read-only mode dynamically?
My concern is can the co-processor gets registered without restart?
> Programmatically register related co-processor during initialization
> --------------------------------------------------------------------
>
> Key: HBASE-29756
> URL: https://issues.apache.org/jira/browse/HBASE-29756
> Project: HBase
> Issue Type: Sub-task
> Reporter: Anuj Sharma
> Assignee: Anuj Sharma
> Priority: Major
>
> Currently, when user wants to make cluster read-only, he has to add property
> {{ <property>}}
> {{ <name>hbase.global.readonly.enabled</name>}}
> {{ <value>false</value>}}
> {{ </property>}}
> and coprocessors for master, region and region server as follows:
> {{ <property>}}
> {{ <name>hbase.coprocessor.master.classes</name>}}
> {{
> <value>org.apache.hadoop.hbase.security.access.ReadOnlyController</value>}}
> {{ </property>}}
> {{ <property>}}
> {{ <name>hbase.coprocessor.regionserver.classes</name>}}
> {{
> <value>org.apache.hadoop.hbase.security.access.ReadOnlyController</value>}}
> {{ </property>}}
> {{ <property>}}
> {{ <name>hbase.coprocessor.region.classes</name>}}
> {{
> <value>org.apache.hadoop.hbase.security.access.ReadOnlyController</value>}}
> {{ </property>}}
>
> In this change we are planning to remove this manual process and when user
> add the read-only property then co-processors will get automatically
> registered during initialization.
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