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Hello:
We found the problem.
We have a lot of virtual hosts, which are launching
a lot of rotatelog.exe processes, which are consuming so much memory that the
desktop heap is getting exhausted. About desktop heap:
By default, it seems that Windows 2003 Server x64
allows 768 KB for the desktop heap associated with the non-interactive
processes, and 20480 KB for the desktop heap associated with the interactive
processes. This way, by allowing Apache to interact with the desktop, what we
are really achieving is giving more memory to the rotatelog.exe processes to
consume. Desktop heap is not exhausted and the problems are gone. Of course, the
problem is that this way we see a lot of cmd windows in the desktop, because now
they "are" interactive. The real solution is changing the following registry
value:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session
Manager\SubSystems\Windows
The default data for this registry
contains:
SharedSection=1024,20480,768
The second value is for interactive processes, and
the third value is for the non-interactive processes, so we have to increase the
third value.
Desktop heap can be monitorized with Microsoft's
Desktop Heap Monitor:
I hope this will help someone else.
Best regards.
Daniel
----- Original Message -----
Sent: Monday, November 16, 2009 1:34
PM
Subject: Re: Apache 2.2.14
and "Allow service to interact with desktop"
Hello:
I tried with the last httpd.exe (2.2.14) and I
had the same problem: I had to check the "Allow service to interact with
desktop" checkbox in the properties of the Apache2.2 service in order to get
the Logical disk manager working. So I change the subject of the
mail.
Thank you.
Daniel
----- Original Message -----
Sent: Friday, November 13, 2009 12:30
PM
Subject: Apache 2.2.11
and "Allow service to interact with desktop"
Hello:
I have a weird problem with
Apache and Windows 2003 Server that I haven't been able to figure
out:
HP Proliant DL580 G5
Windows Server 2003 R2 Standard
x64
Apache 2.2.11
With that configuration, if I double-click "My
PC", "Manage" and I go to "Disk manage", an error is given: "Unable to
connect to logical disk manager"
The weird thing is that if I check
the "Allow service to interact with desktop" checkbox in the properties of
the Apache2.2 service, the problem is solved. ¿? The new problem now is that
when connecting to the machine via Terminal Server with the /console
parameter, a lot of cmd windows appear, due to the rotatelogs.
I
hope someone could give me some clue about the dependencies between Apache
and Logical disk manager, and/or an alternative to rotatelog.exe, in order
to eliminate those annoying cmd windows. I tried mod_log_rotate but it
didn't work properly with the error log.
Thank you very
much.
Daniel
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