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Posted to common-dev@hadoop.apache.org by "Robert Chansler (JIRA)" <ji...@apache.org> on 2007/10/27 00:41:50 UTC

[jira] Created: (HADOOP-2111) Block Report Optimization: Queue block reports

Block Report Optimization: Queue block reports
----------------------------------------------

                 Key: HADOOP-2111
                 URL: https://issues.apache.org/jira/browse/HADOOP-2111
             Project: Hadoop
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.14.0
            Reporter: Robert Chansler
            Assignee: Robert Chansler
             Fix For: 0.16.0


Use queuing to improve efficiency of block reports.

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[jira] Assigned: (HADOOP-2111) Block Report Optimization: Queue block reports

Posted by "Robert Chansler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler reassigned HADOOP-2111:
---------------------------------------

    Assignee: Sanjay Radia  (was: Robert Chansler)

> Block Report Optimization: Queue block reports
> ----------------------------------------------
>
>                 Key: HADOOP-2111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2111
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Robert Chansler
>            Assignee: Sanjay Radia
>             Fix For: 0.16.0
>
>
> Use queuing to improve efficiency of block reports.

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[jira] Updated: (HADOOP-2111) Block Report Optimization: Queue block reports

Posted by "Sanjay Radia (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanjay Radia updated HADOOP-2111:
---------------------------------

    Issue Type: Sub-task  (was: Improvement)
        Parent: HADOOP-2448

> Block Report Optimization: Queue block reports
> ----------------------------------------------
>
>                 Key: HADOOP-2111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2111
>             Project: Hadoop
>          Issue Type: Sub-task
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Robert Chansler
>            Assignee: Sanjay Radia
>             Fix For: 0.16.0
>
>
> Use queuing to improve efficiency of block reports.

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[jira] Commented: (HADOOP-2111) Block Report Optimization: Queue block reports

Posted by "Sanjay Radia (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12552514 ] 

Sanjay Radia commented on HADOOP-2111:
--------------------------------------

I implemented this an did some performance benchmarks.
It did help initial block report processing and eliminated duplicated block-reports due to timeout.
However, when I combined this with the random backoff (hadoop-2326) it did not help.

Furthermore, once we cleaniup the RPC layer to remove the client-side timeouts and retries, this work will be obsolete and there
does not seem to be a good reason to have a dedicated queue and thread for the block report rpc.

> Block Report Optimization: Queue block reports
> ----------------------------------------------
>
>                 Key: HADOOP-2111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2111
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Robert Chansler
>            Assignee: Sanjay Radia
>             Fix For: 0.16.0
>
>
> Use queuing to improve efficiency of block reports.

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[jira] Resolved: (HADOOP-2111) Block Report Optimization: Queue block reports

Posted by "Sanjay Radia (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanjay Radia resolved HADOOP-2111.
----------------------------------

    Resolution: Won't Fix

See my last comment

> Block Report Optimization: Queue block reports
> ----------------------------------------------
>
>                 Key: HADOOP-2111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2111
>             Project: Hadoop
>          Issue Type: Sub-task
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Robert Chansler
>            Assignee: Sanjay Radia
>             Fix For: 0.16.0
>
>
> Use queuing to improve efficiency of block reports.

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