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Date: Mon, 11 Sep 2017 12:51:01 +0000 (UTC)
From: "Weiwei Yang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13098206.1503998128000.78259.1505134261889@Atlassian.JIRA>
In-Reply-To: <JIRA.13098206.1503998128000@Atlassian.JIRA>
References: <JIRA.13098206.1503998128000@Atlassian.JIRA> <JIRA.13098206.1503998128016@jira-lw-us.apache.org>
Subject: [jira] [Comment Edited] (HDFS-12370) Ozone: Implement TopN
 container choosing policy for BlockDeletionService
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archived-at: Mon, 11 Sep 2017 12:51:10 -0000


    [ https://issues.apache.org/jira/browse/HDFS-12370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161170#comment-16161170 ] 

Weiwei Yang edited comment on HDFS-12370 at 9/11/17 12:50 PM:
--------------------------------------------------------------

Hi [~linyiqun]

Thanks for sharing your idea. The problem here is that different layers are using different message format to transfer deletion messages, so it is not easy to define a single throttle mechanism for all these places. You can find more details in the up-to-date [document|https://issues.apache.org/jira/secure/attachment/12886359/Asynchronous%20key%20delete%20.pdf] I uploaded in HDFS-11922, please take a look at the document and let me know if you have any good idea to resolve this, thanks!


was (Author: cheersyang):
Hi [~linyiqun]

Thanks for sharing your idea. The problem here is that different layers are using different message format to transfer deletion messages, so it is not easy to define a single throttle mechanism for all these places. You can find more details in the up-to-date [^document|https://issues.apache.org/jira/secure/attachment/12886359/Asynchronous%20key%20delete%20.pdf] I uploaded in HDFS-11922, please take a look at the document and let me know if you have any good idea to resolve this, thanks!

> Ozone: Implement TopN container choosing policy for BlockDeletionService
> ------------------------------------------------------------------------
>
>                 Key: HDFS-12370
>                 URL: https://issues.apache.org/jira/browse/HDFS-12370
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>              Labels: ozoneMerge
>             Fix For: HDFS-7240
>
>         Attachments: HDFS-12370-HDFS-7240.001.patch, HDFS-12370-HDFS-7240.002.patch, HDFS-12370-HDFS-7240.003.patch
>
>
> Implement TopN container choosing policy for BlockDeletionService. This is discussed from HDFS-12354.


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