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https://issues.apache.org/jira/browse/HBASE-20555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tak Lon (Stephen) Wu updated HBASE-20555:
-----------------------------------------
    Description: 
This will be the umbrella JIRA for backporting HBASE-18083 of `Make large/small 
file clean thread number configurable in HFileCleaner` from HBase's branch-2 to 
HBase's branch-1 that will needs a total of 4 sub-tasks that backport 
HBASE-16490, HBASE-17215, HBASE-17854 and then HBASE-18083


The goal is to improve HFile cleaning performance that has been introduced in 
branch-2

  was:This will be the umbrella JIRA for backporting HBASE-18083 of `Make 
large/small file clean thread number configurable in HFileCleaner` from HBase's 
branch-2 to HBase's branch-1 that will needs a total of 4 sub-tasks that 
backport HBASE-16490, HBASE-17215, HBASE-17854 and then HBASE-18083


> Backport HBASE-18083 and related changes in branch-1
> ----------------------------------------------------
>
>                 Key: HBASE-20555
>                 URL: https://issues.apache.org/jira/browse/HBASE-20555
>             Project: HBase
>          Issue Type: Umbrella
>          Components: HFile, snapshots
>    Affects Versions: 1.4.4, 1.4.5
>            Reporter: Tak Lon (Stephen) Wu
>            Assignee: Tak Lon (Stephen) Wu
>            Priority: Major
>
> This will be the umbrella JIRA for backporting HBASE-18083 of `Make 
> large/small file clean thread number configurable in HFileCleaner` from 
> HBase's branch-2 to HBase's branch-1 that will needs a total of 4 sub-tasks 
> that backport HBASE-16490, HBASE-17215, HBASE-17854 and then HBASE-18083
> The goal is to improve HFile cleaning performance that has been introduced in 
> branch-2



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