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https://issues.apache.org/jira/browse/HBASE-25549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17737389#comment-17737389
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Viraj Jasani commented on HBASE-25549:
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[~GeorryHuang] it's been quite some time, thank you for your work on this.
i was wondering if you might still have bandwidth and be interested in
resolving merge conflicts and get this patch ready for review.
> Provide lazy mode when modifying table to avoid RIT storm
> ---------------------------------------------------------
>
> Key: HBASE-25549
> URL: https://issues.apache.org/jira/browse/HBASE-25549
> Project: HBase
> Issue Type: Improvement
> Components: master, shell
> Affects Versions: 3.0.0-alpha-1
> Reporter: Zhuoyue Huang
> Priority: Major
> Fix For: 3.0.0-beta-1
>
>
> Under normal circumstances, modifying a table will cause all regions
> belonging to the table to enter RIT. Imagine the following two scenarios：
> # Someone entered the wrong configuration （e.g. negative
> 'hbase.busy.wait.multiplier.max' value） when altering the table, causing
> thousands of online regions to fail to open, leading to online accidents.
> # Modify the configuration of a table, but this modification is not urgent,
> the regions are not expected to enter RIT immediately.
> -'alter_lazy' is a new command to modify a table without reopening any online
> regions except those regions were assigned by other threads or split etc.-
>
> Provide an optional lazy_mode for the alter command to modify the
> TableDescriptor without the region entering the RIT. The modification will
> take effect when the region is reopened.
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