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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12196) Ozone: DeleteKey-2: Implement container recycling service to delete stale blocks at background
Date Fri, 11 Aug 2017 03:37:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16122786#comment-16122786
] 

Anu Engineer commented on HDFS-12196:
-------------------------------------

[~cheersyang] +1 for v5 patch, pending Jenkins. 

I have a small nit, which *we don't need to address* in this patch. My apologies that I did
not spot it earlier.
Instead of the word *recycling* can we use the word *delete*? I feel that it is easier to
understand.

Rename ContainerRecyclingService to something like BlockDeletingService. 

Also, change the comment for this class to something like:
{noformat}
A per-datanode block deleting service that deletes 
blocks from active containers.
{noformat}

You don't have to do this now, please feel free to commit. I know you have 3 more checkins
pending on this, so feel free to modify this name is some later patch.


> Ozone: DeleteKey-2: Implement container recycling service to delete stale blocks at background
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-12196
>                 URL: https://issues.apache.org/jira/browse/HDFS-12196
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>         Attachments: HDFS-12196-HDFS-7240.001.patch, HDFS-12196-HDFS-7240.002.patch,
HDFS-12196-HDFS-7240.003.patch, HDFS-12196-HDFS-7240.004.patch, HDFS-12196-HDFS-7240.005.patch
>
>
> Implement a recycling service running on datanode to delete stale blocks.  The recycling
service scans staled blocks for each container and delete chunks and references periodically.



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