https://issues.apache.org/bugzilla/show_bug.cgi?id=56271
Bug ID: 56271
Summary: Windows Memory leak 2.2.22
Product: Apache httpd-2
Version: 2.2.22
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: mpm_winnt
Assignee: [email protected]
Reporter: [email protected]
Created attachment 31392
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31392&action=edit
HTTPD conf file
We have apache 2.2.22 running on four different machines on Windows Server 2008
SP1.
Machine 1:
Intel(R) Xeon(R) CPU E5-2609 @2.40 GHz (2 processors)
RAM: 128 GB
PRODUCTION Machine
Machine 2:
Intel(R) Xeon(R) CPU E5-2609 @2.40 GHz (2 processors)
RAM: 32 GB
TEST Machine
Machine 3:
AMD Opteron(tm) Processor 6176 SE 2.29 GHz (4 processors)
RAM: 12 GB
DEVELOPMENT Machine 1
Machine 4:
AMD Opteron(tm) Processor 6176 SE 2.29 GHz (4 processors)
RAM: 12 GB
DEVELOPMENT Machine 2
On Machine 1, we observe that the size of the httpd.exe process increases to
1.2 Gb.
On Machine 2 : we run the Apache Benchmark tool to simulate the load similar to
PRODUCTION. Memory increase NOT observed
On Machine 3: Run the Ab tool. Memory Increase observed.
Machine 4: Run the Ab tool. Memory Increase NOT observed.
abs -n 500000 -c 50 -A username:password https://<Domain>/application
All the three machines have the same apache configuration.
KeepAliveTimeout 60
SendBufferSize 16384
Timeout 900
ThreadsPerChild 600
It's strange the way the issue is observed on few Windows machines and few not.
Doing further round of testing, to eliminate that leak is not coming from
application, I brought down the application, ran the ab tool on index.html of
Apache. None of the machine show memory increase.
Then I again run the ab tool, but this time on another html which has to be
authenticated against Active directory. Voila, I see the memory increase again
on Machine 3!!.
Has anyone some idea on what is going wrong.
Thanks,
Nitin
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