Hi James,
Please, find attached the crash log file. I could not access the link
https://issues.apache.org/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
Description: crash-2016-08-30-144224.log
