I don't know that I would want to run a production site with Magento and
Drupal with less than 4gb of ram. The cores = more visitors concurrently
to your website. Unless very well designed, mysql/mariadb threads will
only use a single core per query, so one user on the site could
potentially stall the site with a huge query. Having multiple cores
means multiple queries.
Naturally it is more complicated than that, but I figure with the
generalities you are asking about, that about fits the bill.
On 2015-09-08 13:01, Keith Smith wrote:
Hi,
I am wondering what your opinion is on cores and RAM when using a VPS.
I am thinking about this in the context of Drupal and Magento, both of
who are resource hogs.
I was told more RAM is much more valuable on a VPS than is the number
of cores.
I'm assuming 4G of RAM is enough to not go into swap. I'm thinking
this should be fine for a production site with moderate traffic
running either Drupal or Magento.
As you know more cores means more money when it comes to VPS servers,
while RAM is cheap.
Of course we know opcode cache, varnish, and memcache(d) can work
wonders in speeding up websites. For this discussion lets assume we
are using none of them.
The question is, will a second core make all that much difference if
enough RAM is present to not use swap? How would I know I need a
second core - look at the load?
And is there other consideration or things I should be looking at?
Thank you very much for all your feedback!!
Keith
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