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Posted to c-dev@axis.apache.org by "Sam Carleton (Commented) (JIRA)" <ji...@apache.org> on 2012/04/04 02:52:23 UTC
[jira] [Commented] (AXIS2C-1476) Memory leak when loosing
connections
[ https://issues.apache.org/jira/browse/AXIS2C-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13245937#comment-13245937 ]
Sam Carleton commented on AXIS2C-1476:
--------------------------------------
Matthew,
Thank you for emailing me the improvements, I really appreciate it!
Sam
On Thu, Mar 15, 2012 at 7:41 AM, Matthew Sweet (Commented) (JIRA) <
> Memory leak when loosing connections
> ------------------------------------
>
> Key: AXIS2C-1476
> URL: https://issues.apache.org/jira/browse/AXIS2C-1476
> Project: Axis2-C
> Issue Type: Bug
> Components: httpd module
> Affects Versions: 1.6.0
> Environment: Windows 7 64-bit, Visual Studio 2010
> Reporter: Sam Carleton
> Priority: Blocker
> Labels: ap_get_client_block, apache2_stream_read
> Fix For: 1.7.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> I was load testing my apache code today by starting 50 clients which all start in a slide show mode, pooling the server at least every 5 seconds. I have a manager program that starts the clients and does does an abort of the processes when I want to close them. That is the secret, the abort...
> I was watching memory usage while it ran, and all was fine, Apache held steady at around 55 megs. Once I killed the 50 processes, all at the EXACT same time, well milliseconds apart, the memory usage sky rocketed. When I broke the code, I was in the mod_axis2::apache2_stream_read function.
> It turns out that ap_get_client_block(...) was returning 0xFFFFFFFF to the read variable:
> read = ap_get_client_block(stream_impl->request, (char *) buffer + len,
> count - len);
> if (read > 0)
> It turns out that read is unsigned, so the 0xFFFFFFFF is NOT negative, so I changed the code to read:
> if (read > 0 && read != 0xFFFFFFFF)
> All is well after the minor addition!
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