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From "Iñigo Medina" <imed...@grosshat.com>
Subject Re: [users@httpd] "ab -p" postfile's size can't be 17K?
Date Thu, 16 Aug 2012 12:22:40 GMT
Hi,

check Apache settings, since the timeout is related to these: MaxClients,
ServerLimit, StartServer, MinSpareServers, MaxSpareServers and
KeepAliveTimeout.

iñ


On Wed, 15 Aug 2012, zhangxiang wrote:

> Hi everyone:
>
> I am using ab to do a posting form-data performance test. "ab -p postfile File containing
data to POST", i set two files into this option. The first file size is 8.3K, "ab -p" works
well. But the second file size is 17K, "ab -p" throws "apr_poll: The timeout specified has
expired (70007)".
>
> By the way "curl -F 'upfile=@...'" can post 628K file successfully.  I can't find the
reason. Why this happen? Does anyone know?
>
> Linux T-excute01 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64
GNU/Linux
>
> ok.postdata size is 8.3K===================================================
> ab -c 1 -n 1 -p 'ok.postdata' -H 'Expect: 100-continue' ...
> This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
> Copyright 2006 The Apache Software Foundation, http://www.apache.org/
> Benchmarking stats.browser.aliyun.com (be patient).....done
>
> Server Software:        nginx/1.0.6
> Concurrency Level:      1
> Time taken for tests:   0.9032 seconds
> Complete requests:      1
> Failed requests:        0
> Write errors:           0
> Total transferred:      155 bytes
> Total POSTed:           8692
> HTML transferred:       0 bytes
> Requests per second:    110.72 [#/sec] (mean)
> Time per request:       9.032 [ms] (mean)
> Time per request:       9.032 [ms] (mean, across all concurrent requests)
> Transfer rate:          0.00 [Kbytes/sec] received
>                        939.80 kb/s sent
>                        956.56 kb/s total
> Connection Times (ms)
>              min  mean[+/-sd] median   max
> Connect:        1    1   0.0      1       1
> Processing:     7    7   0.0      7       7
> Waiting:        6    6   0.0      6       6
> Total:          8    8   0.0      8       8
>
> fail.postdata size is 17k===================================================
> ab -c 1 -n 1 -p 'fail.postdata' -H 'Expect: 100-continue' ...
> This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
> Copyright 2006 The Apache Software Foundation, http://www.apache.org/
> Benchmarking stats.browser.aliyun.com (be patient)...apr_poll: The timeout specified
has expired (70007)

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