Hi,<div><br></div><div>From what I can recall during testing is that RT does eat quite allot of memory (as you can see in your setup).</div><div>So you could say this is normal behavior, RT isn't your average website ;) (allot of server-side action going on)<div>
<br></div><div>Having 1 GB should be ok but you're already using some plugins that might use quite a bit more then a clean RT 4 installation. (External Auth, JS Grant and calendar).</div><div><br></div><div>Increasing the memory to 2GB (minimum I guess) would solve your problem, or tweaking Apache as Francisco mentioned.</div>
<div><br clear="all">-- Bart<br>
<br><br><div class="gmail_quote">2011/10/27 Michele Pinassi <span dir="ltr"><<a href="mailto:michele.pinassi@unisi.it">michele.pinassi@unisi.it</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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Hi Kevin,<br>
<br>
this is the problem ! There's a lot of memory and CPU usage but, on that<br>
machine, there's ONLY RT 4.0.2 !!!!!<br>
<br>
It's a normal behaviour ?<br>
<br>
Michele<br>
<div><div></div><div class="h5"><br>
On 26/10/2011 21:38, Kevin Falcone wrote:<br>
> On Wed, Oct 26, 2011 at 09:21:51AM +0200, Michele Pinassi wrote:<br>
>> Hi all,<br>
>><br>
>> my RT 4.0.2 installation is too CPU hungry, expecially for apache2<br>
>> threads. Here's the HTOP display of processes and threads:<br>
>> <a href="http://imageshack.us/photo/my-images/810/schermatagf.png/" target="_blank">http://imageshack.us/photo/my-images/810/schermatagf.png/</a><br>
><br>
> That doesn't show high CPU usage, but it does show you being<br>
> dangerously close to swap. When an Apache server starts heavily using<br>
> swap, you get into swap death where a lot of CPU is wasted copying<br>
> apache children in and out of swap space.<br>
><br>
> You either need to prune back your apache children to fit comfortably<br>
> in 1G of ram (and tune the max to never go above your memory<br>
> availability) or give the machine more RAM. Keep in mind that a<br>
> default apache may spawn 8 children, but be able to spawn another 20+<br>
> children when required and that can push you off a memory cliff.<br>
><br>
> -kevin<br>
><br>
><br>
><br>
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|| System Manager Area Sistema Biblioteche - UniSi<br>
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