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Re: post_action crash


  • To: nginx-ru@xxxxxxxxx
  • Subject: Re: post_action crash
  • From: Alexey Kovyrin <alexey@xxxxxxxxxxx>
  • Date: Thu, 14 Jan 2010 00:00:16 -0500
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  • In-reply-to: <c3e77a810812110049s67079591va2058337bc0cd6fd@xxxxxxxxxxxxxx>
  • References: <c3e77a810812110049s67079591va2058337bc0cd6fd@xxxxxxxxxxxxxx>

   ,

,   ,    ,   
internal....    - 5   :-)   
,   .   -  ,  
0.6.34  0.7.64  . ,  ,   
 :-)

2008/12/11 Alexey Kovyrin <alexey@xxxxxxxxxxx>:
>    post_action,     
>      (   ,  
>  squid   -  ,   90%  
>  ).
>
>   :
>
>  location = @analytics_docview {
>    internal;
>
>    proxy_set_header X-Analytics-page_type 'document';
>    proxy_set_header X-Analytics-docview_uri $docview_uri;
>    proxy_set_header X-Analytics-referer $http_referer;
>    proxy_set_header X-Analytics-user_agent $http_user_agent;
>    proxy_set_header X-Analytics-user_ip $remote_addr;
>
>    proxy_connect_timeout 5;
>    proxy_read_timeout 5;
>    proxy_send_timeout 5;
>
>    access_log logs/analytics-api.log main;
>    error_log logs/analytics-api.error.log debug;
>
>    proxy_pass http://XXXXXXX:4000/collector/register_hit;
>  }
>
>  # Distribute queries among different mongrel packs
>  # DOCVIEW page - with caching
>  location /doc/ {
>    access_log logs/scribd.analytics.log analytics;
>    add_header X-Served-By backend;
>
>    set $docview_uri $uri;
>    post_action @analytics_docview;
>    ..........................................
>    ...  ,  
>    ... proxy_pass' 
>    ..........................................
>  }
>
>
>
>   :
>
> 1)   :
>
> 2008/12/11 02:20:38 [error] 7402#0: *36 could not find named location
> "@analytics_docview" while sending to client, client: 66.249.90.136, s
> erver: *.scribd.com, request: "GET
> /doc/10536/PAN-F49A?query2=WWW.tininfo%40nsdl.co.in HTTP/1.0",
> upstream: "http://10.10.170.18:8080/doc/10
> 536/PAN-F49A?query2=WWW.tininfo%40nsdl.co.in", host: "www.scribd.com"
>
> 2)     50+ QPS   10-15   
> core- :-/
>
> Core was generated by `nginx: worker process    '.
> Program terminated with signal 11, Segmentation fault.
> #0 0x0000000000409e3c in ngx_vsnprintf (buf=0x7fff5291f12c "?*",
> max=<value optimized out>, fmt=<value optimized out>,
>  args=0x7fff5291f030) at src/core/ngx_string.c:426
> 426             *--p = (u_char) (ui32 % 10 + '0');
> (gdb) bt
> #0 0x0000000000409e3c in ngx_vsnprintf (buf=0x7fff5291f12c "?*",
> max=<value optimized out>, fmt=<value optimized out>,
>  args=0x7fff5291f030) at src/core/ngx_string.c:426
> #1 0x000000000040a219 in ngx_snprintf (buf=0x7fff5291f12c "?*",
> max=140734578683891, fmt=0x2ff <Address 0x2ff out of bounds>)
>  at src/core/ngx_string.c:100
> #2 0x0000000000406353 in ngx_log_error_core (level=4, log=0x7d2f00,
> err=0, fmt=0x45e090 "could not find named location \"%V\"")
>  at src/core/ngx_log.c:98
> #3 0x000000000042901b in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1934
> #4 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #5 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #6 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #7 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #8 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #9 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #10 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #11 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #12 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #13 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #14 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #15 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #16 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #17 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #18 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #19 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> .............
> ............      (  )
> ............
> #39500 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> #39501 0x0000000000429028 in ngx_http_named_location (r=0x700640,
> name=0x671d40) at src/http/ngx_http_core_module.c:1937
> #39502 0x000000000042b560 in ngx_http_post_action (r=0x700640) at
> src/http/ngx_http_request.c:2560
> #39503 0x000000000042cd35 in ngx_http_finalize_request (r=0x700640,
> rc=500) at src/http/ngx_http_request.c:1706
> ---Type <return> to continue, or q <return> to quit---
>
>      :-)
>
> , :  ? :-(
>
> --
> Alexey Kovyrin
> http://kovyrin.info/
>



-- 
Alexey Kovyrin
http://kovyrin.net/
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