Tagged Questions
3
votes
2answers
165 views
Memory management, bias to swapping
I was having 768 MB RAM. In a general day MySQL was using 100-180 mb of RAM and MySQL was swapping 80-120 mb. I was having 50-60 mb free RAM.
So I thought I should upgrade. Then I upgraded my RAM ...
4
votes
2answers
4k views
Cleancache vs zram?
I have an old laptop here with only 512 MB of RAM. Since a few kernel releases, I am using zram to convert 256 MB of it to a compressed ramdisk which is then used as swap. This has proved to be very ...
1
vote
1answer
376 views
What is excessive swapping
This post led me to ask that question.
Cache contention
On a large site, if you are using
MyISAM, contention occurs in the
database tables when the cache is
forced to clear after a node ...
7
votes
3answers
390 views
Why does it makes sense to cache swap?
It sounds quite counter-productive to me to cache pages that are swapped out. If you swap pages in, what is the advantage to first cache them in memory, only to have to than move them to the right ...