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https://issues.apache.org/jira/browse/HBASE-24412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124538#comment-17124538
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niuyulin commented on HBASE-24412:
----------------------------------
[~claraxiong]
1.Could you provide some info on the use case to support checking all families
and a random family?
-->Reduce side effects of canary sniff on hdd cluster with large amount
regions
2.Could you expose the new option in usage?
-->you can config "hbase.canary.read.all.column.famliy"
3.It was nice to clean up the old code by reformatting. But this makes
review difficult.Could you undo formatting and keep formatting as the last
commit?
-->jenkins will check PR, we'd better ensure no "-1" before merge,
including code format error
> Canary support check only one column family per RegionTask
> ----------------------------------------------------------
>
> Key: HBASE-24412
> URL: https://issues.apache.org/jira/browse/HBASE-24412
> Project: HBase
> Issue Type: Improvement
> Components: canary
> Reporter: niuyulin
> Assignee: niuyulin
> Priority: Major
>
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