[jira] [Updated] (TS-981) ATS as transparent proxy crashes under heavy load

["Leif Hedstrom (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-981:
-----------------------------

    Fix Version/s: 3.1.2
    
> ATS as transparent proxy crashes under heavy load
> -------------------------------------------------
>
>                 Key: TS-981
>                 URL: https://issues.apache.org/jira/browse/TS-981
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.0.0
>         Environment: 4 core desktop. Centos 5.6, kernel 2.6.39.2 compiled with TPROXY support.
> ATS compiled as: ./configure --enable-tproxy --enable-libev
>            Reporter: Danny Shporer
>            Priority: Critical
>             Fix For: 3.1.2
>
>         Attachments: records.config
>
>
> ATS crashes under heavy load testing - around 25,000 HTTP transactions per second.
> I have tested it on both vesions 3.0.0 and 3.0.1 and the same happens.
> 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

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