Memory Leaks - Test Suite
-------------------------
Key: AXIS2C-540
URL: https://issues.apache.org/jira/browse/AXIS2C-540
Project: Axis2-C
Issue Type: Test
Affects Versions: 0.96
Environment: Windows XP
Reporter: markus mayer
Priority: Critical
This is a follow-up to my post regarding memory-leaks on axis-c-dev (original
message attached below). the test-tool i used for my tests is apache jmeter
(http://jakarta.apache.org/jmeter/index.html). i am using the current version
2.2. unfortunately the component for creating soap requests has a minor bug in
its current version. it is creating http requests with
"transfer-encoding: chunked". as it stands now the simple_axis_server does not
handle this transfer-encoding, with mod_axis2 and apache it appears to be
working. i am however not sure if simple_Axis_server is supposed to properly
handle such requests. if
it is i can open a jira for this.
anyway i attach both a patched version of a jmeter library that addresses the
"chunked" issue (hopefully without introducing a host of new ones...).
instructions (after download/setup of jmeter 2.2):
- copy the jar to [jmeter_main_dir]\lib\ext.
- replace the original apachejmeter_http.jar.
this should work. i also attach the test suite i used (the .jmx file). it
simply calls the add method of the math web-services with 5 concurrent threads.
i hope this helps you guys to reproduce my results.
================================================================================================
Original mesasge from axis-c-dev:
List: axis-c-dev
Subject: Memory leaks
From: mgt () gmx ! at
Date: 2007-02-25 15:48:47
Message-ID: 20070225154847.73890 () gmx ! net
Hello,
A couple of your postings during the last days were concerning memory leaks
within \
axis2c. I used a load testing tool to run a simple suite consisting of the
concurrent \
invocations of the math sample web-service (the add service method).
In case you are interested find my results below (values are taken from windows
\
process view column "mem usage"):
- axis2_http_server doubles its memory usage after approx. 5000 requests (from \
initially 5.5 megs to approx. 10 megs)
- when using mod_Axis2 with apache2 (2.0.59) the situation is as follows:
initially the server takes about 13 megs of memory. after 1000 "add" requests
apache \
went up to 40 mb of mem usage and kept increasing steadily.
- when using apache2 ver. 2.2.3 the situation is almost the same.
If you are interested in investigating these issues further I can provide you
with \
all the details about test-tool (jakarta jmeter), test-suite,etc.
I think especially fixes for the apache mod would be particularly
important/helpful \
for 1.0 as this is the suggested deployment scenario (i assume?). Bye,
Markus
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