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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-624) Client support pipeline recovery
Date Thu, 24 Sep 2009 17:15:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759180#action_12759180
] 

Hairong Kuang commented on HDFS-624:
------------------------------------

> as you've already realized the problem with my second patch was the missing modification
in one of the assertions (-1 instead of 0). 
I still keep the change on assertion. I checked the failed log, it seems like a different
problem. +1 on postponing your other modifications until my patch is in. Lease recovery is
blocked on this.

> Client support pipeline recovery
> --------------------------------
>
>                 Key: HDFS-624
>                 URL: https://issues.apache.org/jira/browse/HDFS-624
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: Append Branch
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: Append Branch
>
>         Attachments: HDFS-624-aspects.patch, pipelineRecovery.patch, pipelineRecovery1.patch,
pipelineRecovery2.patch
>
>
> This jira aims to
> 1. set up initial pipeline for append;
> 2. recover failed pipeline setup for append;
> 2. set up pipeline to recover failed data streaming.
> The algorithm is described in the design document in the pipeline recovery and pipeline
set up sections. Pipeline close and failed pipeline close are not included in this jira. 

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