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From "Danny Shporer" <Dan...@Radware.com>
Subject RE: ATS crashes under heavy load
Date Thu, 13 Oct 2011 07:50:36 GMT
Hi Igor

Just did about an hour ago - TS-981

Thanks
Danny

-----Original Message-----
From: Igor Galić [mailto:i.galic@brainsware.org] 
Sent: Thursday, October 13, 2011 9:42 AM
To: users@trafficserver.apache.org
Subject: Re: ATS crashes under heavy load



----- Original Message -----
> 
> 
> 
> Hi

Hi Danny,

> I have been experiencing ATS crashes under heavy load testing –
> around 25,000 HTTP transactions per second.
> 
> The environment is a 4 core desktop running Centos 5.6, kernel
> 2.6.39.2 compiled with TPROXY support. ATS runs as a transparent
> proxy.
> 
> ATS was compiled with the following options: ./configure
> --enable-tproxy --enable-libev
> 
> ATS version of this info is 3.0.0 (I have tested it on 3.0.1 as well
> and the same happens).

Thanks for making us aware of this.
Did you open a Bug for this Jira?

  https://issues.apache.org/jira/browse/TS


If not, can you please do this, we like to track *everything* in Jira.

> Attached is the records.config of ATS
> 
> 
> 
> 
> 
> Following is the gdb info:
> 
> 
> 
> Program received signal SIGSEGV, Segmentation fault.
> 
> [Switching to Thread 0x42174940 (LWP 6663)]
> 
> 0x000000000068fd4b in modify (this=0x2aaaab12c628, event=<value
> optimized out>, e=<value optimized out>) at P_UnixNet.h:536
> 
> 536 fd_change(event_loop->eio, eio.fd, 0);
> 
> (gdb) bt
> 
> #0 0x000000000068fd4b in modify (this=0x2aaaab12c628, event=<value
> optimized out>, e=<value optimized out>) at P_UnixNet.h:536
> 
> #1 NetHandler::mainNetEvent (this=0x2aaaab12c628, event=<value
> optimized out>, e=<value optimized out>) at UnixNet.cc:432
> 
> #2 0x00000000006bfc4f in EThread::process_event (this=0x2aaaab12b010,
> e=0xf44570, calling_code=5) at I_Continuation.h:146
> 
> #3 0x00000000006c055c in EThread::execute (this=0x2aaaab12b010) at
> UnixEThread.cc:262
> 
> #4 0x00000000006bef8e in spawn_thread_internal (a=0xf35c90) at
> Thread.cc:88
> 
> #5 0x0000003e9dc0673d in start_thread () from /lib64/libpthread.so.0
> 
> #6 0x0000003e9d0d44bd in clone () from /lib64/libc.so.6
> 
> (gdb) info f
> 
> Stack level 0, frame at 0x42174030:
> 
> rip = 0x68fd4b in modify (P_UnixNet.h:536); saved rip 0x6bfc4f
> 
> inlined into frame 1
> 
> source language c++.
> 
> Arglist at unknown address.
> 
> Locals at unknown address, Previous frame's sp in rsp
> 
> 
> 
> 
> 
> Thanks
> 
> Danny

So long,
i

-- 
Igor Galić

Tel: +43 (0) 664 886 22 883
Mail: i.galic@brainsware.org
URL: http://brainsware.org/
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