LAMP Server Performance Advice / Job Offer

[Jeremy Fowler]

Dump Apache, install Nginx and use PHP-FPM...

problem = solved




On Fri, Jan 18, 2013 at 4:29 PM, J. Wade Michaelis <
jwade at userfriendlytech.net> wrote:

> I work for a consulting / hosting firm in Topeka, and I have a server that
> is periodically crashing.  The last couple of times, it appears to have
> been due to the server running out of memory.  It is a virtual server (on
> VMware ESX), so I increased the RAM from 2GB to 4GB and the virtual CPUs
> from 1x single-core to 2x quad-cores. However, it may be a week or more
> before I can tell if this has resolved the issue.
>
> What I am looking for is advice on how to track down the cause
> definitively, and prevent it from occurring again.  (My client is
> complaining about the downtime.)  When this occurred last time (~ a week
> ago), I installed sysstat to try and track the performance, but when I went
> to look at today's report, I got a message saying: "Invalid system activity
> file".  Viewing yesterday's report works just fine, so I'm thinking that
> the hard-reset I performed this morning F'd up the report.
>
> We would be willing to pay the right person for their expertise, and I
> hope to learn something in the process.  I'm fairly knowledgeable, but I
> think I may be in over my head on this one.
>
> The OS is CentOS 6.3, and it is dedicated to a single website running the
> Magento e-commerce software, which relies heavily on MySQL.  Any advice or
> assistance would be appreciated.
>
> Thanks in advance,
> ~ j.
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