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dhruba borthakur commented on HDFS-1148: ---------------------------------------- sounds like a good idea to me. how complicated is the codechange? > Convert FSDataset to ReadWriteLock > ---------------------------------- > > Key: HDFS-1148 > URL: https://issues.apache.org/jira/browse/HDFS-1148 > Project: Hadoop HDFS > Issue Type: Improvement > Components: data-node > Reporter: Todd Lipcon > Assignee: Todd Lipcon > > In benchmarking HDFS-941 I noticed that for the random read workload, the > FSDataset lock is highly contended. After converting it to a > ReentrantReadWriteLock, I saw a ~25% improvement on both latency and > ops/second. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.