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 … Read more
memory
What is the difference between buffer and cache memory in Linux?
To me it’s not clear what’s the difference between the two Linux memory concepts : buffer and cache. I’ve read through this post … Read more
Allowed Memory Size Error in WordPress
My WordPress is always down. I contacted my host and they said that the server is fine. My WordPress site has some basic … Read more
loop through all posts memory error
I have few thousands posts and need to list all of them in the admin. When I used WP_Query to get them all … Read more
Why does appending “” to a String save memory?
I used a variable with a lot of data in it, say String data. I wanted to use a small part of this … Read more
Where in memory are my variables stored in C?
By considering that the memory is divided into four segments: data, heap, stack, and code, where do global variables, static variables, constant data … Read more
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 … Read more
How do I monitor the computer’s CPU, memory, and disk usage in Java?
I would like to monitor the following system information in Java: Current CPU usage** (percent) Available memory* (free/total) Available disk space (free/total) *Note … Read more
Approximate cost to access various caches and main memory?
Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel … Read more
How do cache lines work?
I understand that the processor brings data into the cache via cache lines, which – for instance, on my Atom processor – brings … Read more