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<tt>I ran tests on mainline.<br>
<br>
The times in average goes up 3-4 times and then comes back to normal. I
had some hard times with the kernel because at some point it starts to
dump stacks for processes that stay too long without responding. Some
of the systems had times over 3-4 times going up to about 10 times, but
my guess is that it was related to the dumps as the systems get very
slow at that point.<br>
<br>
I'm planning to leave it running again, but disabling the dumps. I'm
not really sure it will have much of an effect in terms of performance
impact, but I'll try.<br>
<br>
<br>
</tt>
<pre class="moz-signature" cols="72">Regards,
Marcos Eduardo Matsunaga
Oracle USA
Linux Engineering
“The statements and opinions expressed here are my own and do not
necessarily represent those of Oracle Corporation.”
</pre>
<br>
<br>
Mark Fasheh wrote:
<blockquote
cite="mid:1217536922-28328-1-git-send-email-mfasheh@suse.com"
type="cite">
<pre wrap="">The following patches against 2.6.26-rc1 implement the 1st part of dynamic
local alloc support - allowing the allocator to shrink, and re-enable itself
after being disabled. Growing the allocator beyond it's default will follow
soon, once I have time to complete the implementation and testing. In the
meantime, this series hopefully fixes at least one problem on long-running
tests where the local alloc file gets disabled.
Also included is a patch which adds a per-mountpoint debugfs file for
tracking local alloc state. More state will be added to that patch once
dynamic local alloc support is complete.
--Mark
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</pre>
</blockquote>
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