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https://issues.apache.org/jira/browse/HBASE-9466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16286303#comment-16286303
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Andrew Purtell commented on HBASE-9466:
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Updated description
> Read-only mode
> --------------
>
> Key: HBASE-9466
> URL: https://issues.apache.org/jira/browse/HBASE-9466
> Project: HBase
> Issue Type: New Feature
> Reporter: Honghua Feng
> Priority: Minor
>
> Provide a read-only mode for a table. Writes to the table in read-only mode
> will be rejected, but read-only mode is different from disable in that:
> 1. it doesn't offline the regions of the table(hence much more lightweight
> than disable)
> 2. it can serve read requests
> Also support a cluster level read only state, a shortcut for setting all
> tables served by the cluster into read only mode, with a similar shortcut for
> resuming normal operations.
> Client write requests to the table(s) set in read only mode should be
> rejected.
> We need an exception for HBCK. When operating in read only mode all writes
> made by HBCK should be allowed as an exception.
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