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Posted to common-issues@hadoop.apache.org by "Jitendra Nath Pandey (JIRA)" <ji...@apache.org> on 2009/12/24 20:22:29 UTC
[jira] Updated: (HADOOP-6132) RPC client opens an extra connection
for VersionedProtocol
[ https://issues.apache.org/jira/browse/HADOOP-6132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jitendra Nath Pandey updated HADOOP-6132:
-----------------------------------------
Attachment: HADOOP-6132-0_20.1.patch
Patch for hadoop 20 added.
> RPC client opens an extra connection for VersionedProtocol
> ----------------------------------------------------------
>
> Key: HADOOP-6132
> URL: https://issues.apache.org/jira/browse/HADOOP-6132
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Fix For: 0.21.0
>
> Attachments: 1.patch, 2.patch, HADOOP-6132-0_20.1.patch
>
>
> RPC client caches connections per protocol. However, since all of our real protocols are subclasses of VersionedProtocol, a bug in the implementation makes the client opens an extra connection just for the VersionedProtocol, which is not needed.
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