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https://issues.apache.org/jira/browse/HDFS-159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-159.
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Resolution: Duplicate
This is a probable duplicate of the resolved HDFS-2379.
> Block reports should be processed offline
> -----------------------------------------
>
> Key: HDFS-159
> URL: https://issues.apache.org/jira/browse/HDFS-159
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Sameer Paranjpye
>
> The namenode's handling of block reports should be done from a batch queue
> instead of while the rpc call from the client is waiting. I'd propose:
> void blockReport(DataNodeRegistration, Block[]) throws IOException;
> instead of passing back obsolete blocks they can be handed back on later
> heartbeat.
> The blockReport calls should just queue the registration and list of blocks
> and there should be a thread that processes the block reports when possible.
> The goal is to prevent rpc timeouts and therefore retransmissions of the
> block lists.
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