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OK, thanks to your instruction, I've recompiled the kernel,
switched to static context configuration, and now I'm running
around 500 virtual-hosts without a hitch.
However...I have no idea how I can reach to anywhere near
5000-8000 contexts...
Do all the numbers below mean running 5000-8000 of
chcontext --ctx <n> command &
commands directly, instead of hosting virtual-environment with
different context? Since each hosted environment takes several
MBs of memory and ~100MB of disk space (at least with "hashified"
Debian install), even 1000 seems remote to me.
>>> Yesterday, I tried to find out absolute maximum number of
>>> virtualhosts I can host on my server, and got this message after
>>> 40-50VMs:
>> yes, known issue with the debian kernel, if you
>> switch to mainline kernels, you will get to
>> roughly 5000-8000 contexts ...
>
> That is, before you run out of pids. On my x86 test system with 384 MiB of
> RAM, I was able to get 6073 contexts running each with a sleep 3600
> process running before fork started failing with EAGAIN.
Best Regards,
- --
Taisuke Yamada <tyamadajp_at_spam.rakugaki.org>, http://rakugaki.org/
2268 E9A2 D4F9 014E F11D 1DF7 DCA3 83BC 78E5 CD3A
Message to my public address may not be handled in a timely manner.
For a direct contact, please use my private address on my namecard.
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Received on Tue Feb 27 01:37:10 2007