[ic] Time for new hardware?

Stefan Hornburg (Racke) racke at linuxia.de
Tue Sep 20 09:27:20 UTC 2016

On 09/19/2016 11:41 PM, Grant wrote:
> I've been making a lot of optimizations lately and I think I'm to the
> point where my 4 cores just aren't able to keep up with demand during
> peak traffic hours each day.  Pages load quickly when I see fewer than
> 4 busy interchange processes in top but things slow down drastically
> after that.  Once I'm OK with the degree of optimization my ITL pages
> have undergone and I'm not IO-bound or memory-bound, is it time to
> throw CPU at the problem?
> I'm a little puzzled because I've seen my server perform much better
> under much greater loads in the past.  I thought my growing mysql
> tables could be the problem so I set up indexes and it has helped but
> my server still struggles under loads it used to handle without issue.
> I did notice that my tables are split about 50/50 between InnoDB and
> MyISAM and I'd like to make all of them InnoDB.
> - Grant

Yeah, I would recommend to switch all them to InnoDB for consistency
and real transactions.

You probably can find sufficient resources on MySQL optimization with
InnoDB if that is your bottleneck.

May I ask which webserver you are using?


Ecommerce and Linux consulting + Perl and web application programming.
Debian and Sympa administration.

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