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From "hyoungjunkim (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (TAJO-467) Too many open FD when master failed.
Date Mon, 30 Dec 2013 01:42:50 GMT

     [ https://issues.apache.org/jira/browse/TAJO-467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

hyoungjunkim reassigned TAJO-467:
---------------------------------

    Assignee: hyoungjunkim

> Too many open FD when master failed.
> ------------------------------------
>
>                 Key: TAJO-467
>                 URL: https://issues.apache.org/jira/browse/TAJO-467
>             Project: Tajo
>          Issue Type: Bug
>            Reporter: hyoungjunkim
>            Assignee: hyoungjunkim
>
> When Tajo Master failed and Worker still alive, too many open FD in worker's host.
> I checked with losf command. Showed the following list.
> {code}
> lsof -l | grep <pid> | grep wc -l
> 2568
> lsof -l | grep <pid>
> java      92845      501  110     PIPE 0xd63c81fc1ed6001b       16384          ->0xd63c81fc0aac406b
> java      92845      501  111     PIPE 0xd63c81fc0aac406b       16384          ->0xd63c81fc1ed6001b
> java      92845      501  112u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  113     PIPE 0xd63c81fc0d1441cb       16384          ->0xd63c81fc1ed6059b
> java      92845      501  114     PIPE 0xd63c81fc1ed6059b       16384          ->0xd63c81fc0d1441cb
> java      92845      501  115u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  116     PIPE 0xd63c81fc1edb140b       16384          ->0xd63c81fc1ed61cfb
> java      92845      501  117     PIPE 0xd63c81fc1ed61cfb       16384          ->0xd63c81fc1edb140b
> java      92845      501  118u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  119     PIPE 0xd63c81fc1eba61fb       16384          ->0xd63c81fc1eba727b
> java      92845      501  120     PIPE 0xd63c81fc1eba727b       16384          ->0xd63c81fc1eba61fb
> java      92845      501  121u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  122     PIPE 0xd63c81fc163b474b       16384          ->0xd63c81fc1ed61a3b
> java      92845      501  123     PIPE 0xd63c81fc1ed61a3b       16384          ->0xd63c81fc163b474b
> java      92845      501  124u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  125     PIPE 0xd63c81fc1ed68e3b       16384          ->0xd63c81fc1d530bfb
> java      92845      501  126     PIPE 0xd63c81fc1d530bfb       16384          ->0xd63c81fc1ed68e3b
> java      92845      501  127u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  128     PIPE 0xd63c81fc1d4848ab       16384          ->0xd63c81fc0aac1b4b
> java      92845      501  129     PIPE 0xd63c81fc0aac1b4b       16384          ->0xd63c81fc1d4848ab
> java      92845      501  130u  KQUEUE                                         count=0,
state=0x2
> java      92845      501  131     PIPE 0xd63c81fc1fe3d74b       16384          ->0xd63c81fc0aac125b
> java      92845      501  132     PIPE 0xd63c81fc0aac125b       16384          ->0xd63c81fc1fe3d74b
> java      92845      501  133u  KQUEUE                                         count=0,
state=0x2
> ...
> {code}



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