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-1

Yes, always run with intervals and take a call. That is why they have given the Average option. Take a look at the system monitor and the graph.You will see how much it fluctuates drastically within a 10 second gap. I know this thread is old, I still wanted to answer.


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Kernel processe is hidden by default in htop. You can use shift-k to show kernel processes. (red in cpu usage bar is for kernel usage)


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Well, try allowing more processes to apache. Here are some helpful links: http://linuxgazette.net/123/vishnu.html https://www.digitalocean.com/community/tutorials/how-to-optimize-apache-web-server-performance


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There is no heavy load on your system. The interrupts are handled correctly, just as your routing and your application. If it weren't so, your system didn't have 30% idle. (Anyways, where do you see that?) Using a small system to many different things simultanously doesn't always mean an overload, especially if there is not too many data to NAT. If your ...


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First, I tried to use the Ubuntu server installation CD and go to Recue a Broken System, then tried to reinstall GRUB, but it failed. Then I shut down the failing VM with Force Shutdown. Secondly, listed the VMs in the XenCenter Console [root@xen01 ~]# xe vm-list uuid ( RO) : d56d5ae8-62de-5e7e-41f9-1bd707d727d9 name-label ( RW): fdev-appgw ...


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This is most probably because you force your disks to work as fast as they can. But it may also happen when your server is overloaded, and disk test is only adding even more load. Try to test in offline mode, with all your services turned off. This might be also an indication of possible hard disk failure in future.


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If sikas' theory is correct that this is caused by external traffic then you need to tune apache better. Cut the ServerLimit by half or more and see if it survives better next time.


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from the Bandwidth graphs, it shows increase in the inbound traffic, i.e. traffic going to the server, also increase in the disk write rate .. this makes me suspect some kind of attack on the server .. Best security approach here is to change ALL server passwords .. This is essential as to identify if it is a bug in a software or some sort of successful ...



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