[ https://issues.apache.org/jira/browse/HDFS-2494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE updated HDFS-2494: ----------------------------------------- Resolution: Fixed Fix Version/s: 0.24.0 0.20.206.0 0.20.205.1 Target Version/s: 0.20.205.1, 0.24.0 (was: 0.24.0, 0.20.205.1) Hadoop Flags: Reviewed Status: Resolved (was: Patch Available) I have committed this. Thanks a lot, Uma! > [webhdfs] When Getting the file using OP=OPEN with DN http address, > ESTABLISHED sockets are growing. > ---------------------------------------------------------------------------------------------------- > > Key: HDFS-2494 > URL: https://issues.apache.org/jira/browse/HDFS-2494 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: data-node > Affects Versions: 0.20.205.0, 0.23.0, 0.24.0 > Reporter: Uma Maheswara Rao G > Assignee: Uma Maheswara Rao G > Fix For: 0.20.205.1, 0.20.206.0, 0.24.0 > > Attachments: HDFS-2494-20.205Security.patch, HDFS-2494.patch, > HDFS-2494.patch, h2494_20111024.patch, h2494_20111024b.patch > > > As part of the reliable test, > Scenario: > Initially check the socket count. ---there are aroud 42 sockets are there. > open the file with DataNode http address using op=OPEN request parameter > about 500 times in loop. > Wait for some time and check the socket count. --- There are thousands of > ESTABLISHED sockets are growing. ~2052 > Here is the netstat result: > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l > 2042 > This count is not coming down. -- 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