3
votes
2answers
717 views

Memory needed to host 200 wordpress sites?

I'm planning to use Multisite to host 200 different wordpress blog with each having their own unique subdomain. I notice each time I create a virtual host for each subdomain it'll use roughly 50mb ...
1
vote
2answers
151 views

Downsize CPU & DB usage in wordpress

i have created a smart interface WP based which we use to manage clients.. it uses a lot of information and data each time a client is returned / viewed. it is a locked interface and does not have ...
0
votes
1answer
57 views

how to find and correct plugin query performance issues

I have recently uploaded a new site I've been working on for a while - which is working and performing very well on the localhost - there is no notable sluggishness to the load-times. Once uploaded ...
1
vote
1answer
117 views

Memory usage for scalable usermeta queries

Problem Some time ago I posted a question about the scalability of wp_usermeta architecture: my concern, as my client's database of users is growing fast, is now the memory usage of querying the ...
1
vote
1answer
551 views

Do WP_debug notices explain why my site runs so slow?

When I enable WP_DEBUG, I get lots of the following kinds of notices (see below). Of course, I normally don't have the debugging turned on, but I'm wondering if these are a clue as to why it takes so ...
1
vote
2answers
247 views

How many caching plugins should be used?

Online researching shows that there are many plugins out there to perform caching on WP. Just to name a few: WP Super Cache W3 Total Cache WP Widget Cache DB Cache Reloaded 1 Blog Cacher Hyper ...
3
votes
2answers
192 views

Does a WP site consumes memory resources when there are NO visitors?

I understand that every time a visitor goes to a website, it triggers the PHP code that then demands system resources. My situation is that I have many websites, some not used, just sitting there, ...
8
votes
3answers
782 views

What's the ideal way to profile WordPress memory usage?

We're running a WordPress multisite instance on two Rackspace Cloud servers, one web and one database, with 30 or so sites currently. I've put Nginx in front for static assets and Apache handles all ...