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zhangduo updated HDFS-5270: --------------------------- Attachment: HDFS-5270.3.patch > Use thread pools in the datenode daemons > ---------------------------------------- > > Key: HDFS-5270 > URL: https://issues.apache.org/jira/browse/HDFS-5270 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Reporter: Haohui Mai > Assignee: zhangduo > Labels: BB2015-05-TBR > Attachments: HDFS-5270.000.patch, HDFS-5270.2.patch, > HDFS-5270.3.patch, TestConcurrentAccess.java > > > The current implementation of the datanode creates a thread when a new > request comes in. This incurs high overheads for the creation / destruction > of threads, making the datanode unstable under high concurrent loads. > This JIRA proposes to use a thread pool to reduce the overheads. -- This message was sent by Atlassian JIRA (v6.3.4#6332)