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From ChenPing <e...@163.com>
Subject ts crash for logging?
Date Mon, 14 Jan 2013 03:49:27 GMT
hi guys


currently i install ats(v3.2.0) for production use~


it is observed that ats always crashed for few days,


while i looking for the coredump dir and the logs(traffic.out),  it seems that the ats's LOGGING
module is not that stable~


both in 32bit and 64bit OS that broblem occurs....(debin, kernel version: 2.6.32-5-amd64,
2.6.26-2-686)


the coredump related setting in sysctl.conf :
kernel.core_pattern=/home/cores/%e.%t.%p.%h
kernel.core_uses_pid=0
##################################
and the generated coredump file is :
-rw------- 1 trafficserver trafficserver 1.2G 01-08 17:53 [LOGGING].1357638770.3920.cache-130
-rw------- 1 trafficserver trafficserver 1.2G 01-09 21:48 [LOGGING].1357739281.30527.cache-130
-rw------- 1 trafficserver trafficserver 1.3G 01-11 19:51 [LOGGING].1357905079.2509.cache-130


##################################
the traffic.out related to coredump is:


[Jan 11 19:51:19.308] Server {0x450c4b90} NOTE: The log format symbol 伏颬 was not found
in the list of known symbols.
NOTE: Traffic Server received Sig 11: Segmentation fault
/usr/local/trafficserver-3.2.0/bin/traffic_server - STACK TRACE:
[0x4001c400]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN17LogBufferIterator4nextEv+0x2a)[0x81d180a]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN7LogFile22write_ascii_logbuffer3EP15LogBufferHeaderPc+0xec)[0x81e220c]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN7LogFile5writeEP9LogBuffer+0x93)[0x81e4083]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN16LogBufferManager13flush_buffersEP13LogBufferSink+0xbe)[0x81ec2ee]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN16LogObjectManager13flush_buffersEv+0x2c)[0x81eca8c]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN3Log17flush_thread_mainEPv+0x54)[0x81d4264]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN24LoggingFlushContinuation9mainEventEiPv+0xd)[0x81d690d]
/usr/local/trafficserver-3.2.0/bin/traffic_server(_ZN7EThread7executeEv+0xcee)[0x82e277e]
/usr/local/trafficserver-3.2.0/bin/traffic_server[0x82df894]
/lib/i686/cmov/libpthread.so.0[0x4005f4c0]
/lib/i686/cmov/libc.so.6(clone+0x5e)[0x4056b84e]
[Jan 11 19:51:41.801] Manager {0xb71c06c0} FATAL: [LocalManager::pollMgmtProcessServer] Error
in read (errno: 104)
[Jan 11 19:51:41.829] Manager {0xb71c06c0} FATAL:  (last system error 104: Connection reset
by peer)
[Jan 11 19:51:41.829] Manager {0xb71c06c0} NOTE: [LocalManager::mgmtShutdown] Executing shutdown
request.
[Jan 11 19:51:41.829] Manager {0xb71c06c0} NOTE: [LocalManager::processShutdown] Executing
process shutdown request.
[Jan 11 19:51:41.838] Manager {0xb71c06c0} ERROR: [LocalManager::sendMgmtMsgToProcesses] Error
writing message
[Jan 11 19:51:41.838] Manager {0xb71c06c0} ERROR:  (last system error 32: Broken pipe)
...
that ats restarted ..


i have no idea about the problem,  can some one please help me , thx 
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