> On Aug 30, 2016, at 12:09 PM, Velusamy, Gandhimathi <[email protected]> 
> wrote:
> 
> Hi James,
> 
>    Please, find attached the crash log file. I could not access the link 
> https://issues.apache.org/browse/TS.

sorri it should be https://issues.apache.org/jira/browse/TS

> 
> Thanks
> Gandhimathi
> 
> ________________________________________
> From: James Peach [[email protected]]
> Sent: Tuesday, August 30, 2016 1:27 PM
> To: Users
> Subject: Re: Slow Request Error
> 
>> On Aug 30, 2016, at 11:09 AM, Velusamy, Gandhimathi 
>> <[email protected]> wrote:
>> 
>> Hi James,
>> 
>>  Thanks for your reply.
>> 
>> Actually the Traffic server is getting crashed when I am trying to download 
>> the files from client from a python code using urllib.urlretrieve().
>> 
>> I am having two setups (two different testbeds). It is working fine on one 
>> set up in which the links carry 1Gb bandwidth but it is not working on the 
>> set up in which the links carry 10 Mb bandwidth.
>> 
>> as soon as it downloaded from first server, it is getting crashed.
> 
> Ah, this is a bug then. Can you please file a Jira issue at 
> https://issues.apache.org/browse/TS, including the crash log if you can.
> 
>> 
>> 
>> but when I download using wget from command prompt one by one, it is working 
>> with slower link set up.
>> 
>> So I tried to debug using the slow.log.threshold.
>> 
>> traffic_server: Segmentation fault (Address not mapped to object [0x88])
>> traffic_server - STACK TRACE:
>> bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0x8e)[0x4ad02e]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x10330)[0x7fce5f6f5330]
>> bin/traffic_server(_ZNK22ProxyClientTransaction9get_netvcEv+0xc)[0x4f122c]
>> bin/traffic_server(_ZN6HttpSM12update_statsEv+0x322)[0x5a1282]
>> bin/traffic_server(_ZN6HttpSM9kill_thisEv+0x380)[0x5b3e60]
>> bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x108)[0x5b49f8]
>> bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x19d)[0x5f125d]
>> bin/traffic_server(_Z15write_to_net_ioP10NetHandlerP18UnixNetVConnectionP7EThread+0x11f0)[0x749c70]
>> bin/traffic_server(_ZN10NetHandler12mainNetEventEiP5Event+0x29c)[0x73b6dc]
>> bin/traffic_server(_ZN7EThread7executeEv+0x9c2)[0x76d442]
>> bin/traffic_server[0x76c04a]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x8184)[0x7fce5f6ed184]
>> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7fce5e9f637d]
>> gvelus01@ts:/usr/local$
>> 
>> 
>> Thanks
>> Gandhimathi
>> 
>> ________________________________________
>> From: James Peach [[email protected]]
>> Sent: Monday, August 29, 2016 10:15 PM
>> To: [email protected]
>> Subject: Re: Slow Request Error
>> 
>>> On Aug 29, 2016, at 5:12 PM, Velusamy, Gandhimathi 
>>> <[email protected]> wrote:
>>> 
>>> Hi,
>>> 
>>> I am working with balancer plugins and I am getting the following error in 
>>> my Diags.log.
>> 
>> This is not an error. You have set proxy.config.http.slow.log.threshold, so 
>> Traffic Server is logging information about requests that took longer than 
>> that threshold.
>> 
>> https://docs.trafficserver.apache.org/en/latest/admin-guide/files/records.config.en.html#proxy-config-http-slow-log-threshold
>> 
>>> The bandwidth on the links is 10 Mbits/sec.
>>> 
>>> As I am working on balancer plugin I turned caching off.
>>> 
>>> I am trying to download pdf files of different sizes from client.
>>> 
>>> My Diags.log shows:
>>> Aug 29 19:36:50.096] Server {0x7fdffcf15780} ERROR: <HttpSM.cc:7015 
>>> (update_stats)> [8] Slow Request: client_ip: 172.16.4.2:46306 url: 
>>> http://172.16.1.2/book_14mb.pdf status: 200 unique id:  redirection_tries: 
>>> 0 bytes: 14243401 fd: 0 client state: 0 server state: 9 ua_begin: 0.000 
>>> ua_first_read: 0.000 ua_read_header_done: 0.000 cache_open_read_begin: 
>>> -0.001 cache_open_read_end: -0.001 dns_lookup_begin: 0.000 dns_lookup_end: 
>>> 0.000 server_connect: 0.000 server_first_read: 0.007 
>>> server_read_header_done: 0.007 server_close: 11.263 ua_close: 11.263 
>>> sm_finish: 11.263 plugin_active: -0.001 plugin_total: -0.001
>> 
>> Basically all the time in this transaction is between 
>> server_read_header_done and server_close, so it took a long time for the 
>> origin server to deliver the object contents.
>> 
>>> [Aug 29 19:42:03.295] Server {0x7fdff9f70700} ERROR: <HttpSM.cc:7015 
>>> (update_stats)> [9] Slow Request: client_ip: 172.16.4.2:46340 url: 
>>> http://172.16.2.2/book_14mb.pdf status: 200 unique id:  redirection_tries: 
>>> 0 bytes: 14243401 fd: 0 client state: 0 server state: 9 ua_begin: 0.000 
>>> ua_first_read: 0.000 ua_read_header_done: 0.000 cache_open_read_begin: 
>>> -0.001 cache_open_read_end: -0.001 dns_lookup_begin: 0.000 dns_lookup_end: 
>>> 0.000 server_connect: 0.000 server_first_read: 0.007 
>>> server_read_header_done: 0.007 server_close: 11.088 ua_close: 11.088 
>>> sm_finish: 11.088 plugin_active: -0.001 plugin_total: -0.001
>>> 
>>> Even for small download also getting the same error:
>>> Aug 29 20:06:26.853] Server {0x7fdff9e6f700} ERROR: <HttpSM.cc:7015 
>>> (update_stats)> [10] Slow Request: client_ip: 172.16.4.2:46489 url: 
>>> http://172.16.3.2/book_3mb.pdf status: 200 unique id:  redirection_tries: 0 
>>> bytes: 3129946 fd: 0 client state: 0 server state: 9 ua_begin: 0.000 
>>> ua_first_read: 0.000 ua_read_header_done: 0.000 cache_open_read_begin: 
>>> -0.001 cache_open_read_end: -0.001 dns_lookup_begin: 0.000 dns_lookup_end: 
>>> 0.000 server_connect: 0.000 server_first_read: 0.001 
>>> server_read_header_done: 0.001 server_close: 1.719 ua_close: 1.719 
>>> sm_finish: 1.719 plugin_active: -0.001 plugin_total: -0.001
>>> 
>>> 
>>> May I please, know how to get rid of this error.
>>> 
>>> 
>>> Thanks
>>> Gandhimathi
>> 
> 
> <crash-2016-08-30-144224.log>

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