Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: hdfs-issues@hadoop.apache.org
Date: Mon, 16 Nov 2015 22:51:11 +0000 (UTC)
From: "Zhe Zhang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12910614.1446700005000.86290.1447714271159@Atlassian.JIRA>
In-Reply-To: <JIRA.12910614.1446700005000@Atlassian.JIRA>
References: <JIRA.12910614.1446700005000@Atlassian.JIRA>
 <JIRA.12910614.1446700005345@arcas>
Subject: [jira] [Commented] (HDFS-9382) Track the acks for the packets which
 are sent from ErasureCodingWorker as part of reconstruction work
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/HDFS-9382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15007553#comment-15007553 ] 

Zhe Zhang commented on HDFS-9382:
---------------------------------

Great idea Uma. With this proposed work, we should probably revisit whether we should unify block reader and writer for client and DN. I believe [~libo-intel] has explored the idea to some extent.

> Track the acks for the packets which are sent from ErasureCodingWorker as part of reconstruction work
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9382
>                 URL: https://issues.apache.org/jira/browse/HDFS-9382
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 3.0.0
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>
> Currently we are not tracking the acks for the packets which are sent from DN ECWorker as part of reconstruction work. This jira is proposing to tracks the acks as reconstruction work is really expensive, so we should know if any packets failed to write at target DN 


--
This message was sent by Atlassian JIRA
(v6.3.4#6332)