[ https://issues.apache.org/jira/browse/HADOOP-6713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hairong Kuang updated HADOOP-6713: ---------------------------------- Status: Resolved (was: Patch Available) Hadoop Flags: [Reviewed] Fix Version/s: 0.22.0 Resolution: Fixed I've just committed this. Thanks, Dmytro! > The RPC server Listener thread is a scalability bottleneck > ---------------------------------------------------------- > > Key: HADOOP-6713 > URL: https://issues.apache.org/jira/browse/HADOOP-6713 > Project: Hadoop Common > Issue Type: Improvement > Components: ipc > Affects Versions: 0.21.0 > Reporter: dhruba borthakur > Assignee: Dmytro Molkov > Fix For: 0.22.0 > > Attachments: HADOOP-6713.2.patch, HADOOP-6713.patch > > > The Hadoop RPC Server implementation has a single Listener thread that reads > data from the socket and puts them into a call queue. This means that this > single thread can pull RPC requests off the network only as fast as a single > CPU can execute. This is a scalability bottlneck in our cluster. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.