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Posted to common-dev@hadoop.apache.org by "Sanjay Radia (JIRA)" <ji...@apache.org> on 2007/12/17 21:01:59 UTC
[jira] Commented: (HADOOP-2111) Block Report Optimization: Queue
block reports
[ 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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