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Todd Lipcon updated HDFS-2080: ------------------------------ Component/s: performance > Speed up DFS read path by lessening checksum overhead > ----------------------------------------------------- > > Key: HDFS-2080 > URL: https://issues.apache.org/jira/browse/HDFS-2080 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs client, performance > Affects Versions: 0.23.0 > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Fix For: 0.23.0 > > Attachments: hdfs-2080.txt, hdfs-2080.txt > > > I've developed a series of patches that speeds up the HDFS read path by a > factor of about 2.5x (~300M/sec to ~800M/sec for localhost reading from > buffer cache) and also will make it easier to allow for advanced users (eg > hbase) to skip a buffer copy. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira