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Yang Yun commented on HDFS-15280: --------------------------------- Updated to HDFS-15280.002.patch for Jira bug and checkstyle. > Datanode delay random time to report block if BlockManager is busy > ------------------------------------------------------------------ > > Key: HDFS-15280 > URL: https://issues.apache.org/jira/browse/HDFS-15280 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode > Reporter: Yang Yun > Assignee: Yang Yun > Priority: Minor > Attachments: HDFS-15280.001.diff, HDFS-15280.002.patch > > > When many Datanodes are reporting at the same time, the cluster may respond > slowly. Limit the concurrent reporting number. If BlockManager is busy, it > rejects new request and the Datanode delay a few random time to report. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org