memory Archives - IT Nursery

WordPress

IT Nursery

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 ...

June 3, 2022
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linux, Programming

IT Nursery

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 ...

June 3, 2022
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WordPress

IT Nursery

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 ...

June 3, 2022
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WordPress

IT Nursery

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 ...

June 3, 2022
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Java, Programming

IT Nursery

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 ...

June 2, 2022
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C, Programming

IT Nursery

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 ...

June 2, 2022
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WordPress

IT Nursery

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 ...

June 2, 2022
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Java, Programming

IT Nursery

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 ...

May 31, 2022
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performance, Programming

IT Nursery

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 ...

May 31, 2022
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memory, Programming

IT Nursery

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 ...

May 30, 2022
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