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Dmytro Molkov commented on HDFS-1457: ------------------------------------- Cool. With the default rate at 0 this patch looks good to me. Thanks > Limit transmission rate when transfering image between primary and secondary > NNs > -------------------------------------------------------------------------------- > > Key: HDFS-1457 > URL: https://issues.apache.org/jira/browse/HDFS-1457 > Project: Hadoop HDFS > Issue Type: Improvement > Components: name-node > Affects Versions: 0.22.0 > Reporter: Hairong Kuang > Assignee: Hairong Kuang > Fix For: 0.22.0 > > Attachments: checkpoint-limitandcompress.patch, > trunkThrottleImage.patch, trunkThrottleImage1.patch > > > If the fsimage is very big. The network is full in a short time when > SeconaryNamenode do checkpoint, leading to Jobtracker access Namenode to get > relevant file data to fail in job initialization phase. So we limit > transmission speed and compress transmission to resolve the problem. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.