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https://issues.apache.org/jira/browse/HBASE-18084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16019142#comment-16019142
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Yu Li commented on HBASE-18084:
-------------------------------

Checked UT and found below case in error:
{noformat}
Tests in error: 
  TestAcidGuarantees.testMobMixedAtomicity:482->runTestAtomicity:421 ? Runtime 
D...
  TestAcidGuarantees.testMobMixedAtomicity:482->runTestAtomicity:421 ? Runtime 
D...
{noformat}
Which should be irrelative to the change here, and could pass locally.

[~tedyu] does patch v2 look good to you sir? Thanks.

> Improve CleanerChore to clean from directory which consumes more disk space
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-18084
>                 URL: https://issues.apache.org/jira/browse/HBASE-18084
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Yu Li
>            Assignee: Yu Li
>         Attachments: HBASE-18084.patch, HBASE-18084.v2.patch
>
>
> Currently CleanerChore cleans the directory in dictionary order, rather than 
> from the directory with largest space usage. And when data abnormally 
> accumulated to some huge volume in archive directory, the cleaning speed 
> might not be enough.
> This proposal is another improvement working together with HBASE-18083 to 
> resolve our online issue (archive dir consumed more than 1.8PB SSD space)



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