[ https://issues.apache.org/jira/browse/HDFS-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142554#comment-13142554 ]
Todd Lipcon commented on HDFS-2129: ----------------------------------- Just for the sake of amusement, results from Apache 0.20.2: |Threads|0.20.2| Total speedup in trunk after patches | | 4 | 106197 KB/sec | 2.69x | | 16 | 246712 KB/sec | 2.13x | | 8 | 186860 KB/sec | 2.93x | Should make HBase folks happy! :) > Simplify BlockReader to not inherit from FSInputChecker > ------------------------------------------------------- > > Key: HDFS-2129 > URL: https://issues.apache.org/jira/browse/HDFS-2129 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: hdfs client, performance > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Fix For: 0.24.0 > > Attachments: hdfs-2129-benchmark.png, hdfs-2129.txt, hdfs-2129.txt, > hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, > seq-read-1gb-bench.png > > > BlockReader is currently quite complicated since it has to conform to the > FSInputChecker inheritance structure. It would be much simpler to implement > it standalone. Benchmarking indicates it's slightly faster, as well. -- 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