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Posted to dev@tajo.apache.org by "hyoungjunkim (JIRA)" <ji...@apache.org> on 2013/12/30 02:33:51 UTC
[jira] [Created] (TAJO-467) Too many open FD when master failed.
hyoungjunkim created TAJO-467:
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Summary: 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
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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