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https://issues.apache.org/jira/browse/HBASE-9466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768606#comment-13768606
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Jean-Daniel Cryans commented on HBASE-9466:
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[~fenghh] see what Andrew said regarding enabling/disabling (but online
altering still requires closing the regions, flushing, etc).
If we do go down the patch flipping switches, I'm with Stack here. We'll need a
generic framework for doing this. One could envision changing a lot more things
live than just read-only, but we don't have to implement them all right away.
Yours would be the first implemented use case.
> Read-only mode
> --------------
>
> Key: HBASE-9466
> URL: https://issues.apache.org/jira/browse/HBASE-9466
> Project: HBase
> Issue Type: New Feature
> Reporter: Feng Honghua
> Priority: Minor
>
> Can we provide a read-only mode for a table? write 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
> Comments?
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