optimal deployment of memcached

dormando dormando at rydia.net
Thu Feb 14 07:32:52 UTC 2008


This is usually done for two reasons:

1) 32-bit machines with PAE support for large RAM (12G+ system ram,
individual processes limited in size)
2) Utilizing multiple CPU's with single threaded mode.

These days either of these are pretty rare. If you have a huge box go
ahead and run memcached in threaded mode.


Shayan Ghazizadeh wrote:
> Hi everybody,
> In multiple presentations I have seen Brad talk about running multiple
> instances of memcached on "high-end" boxes. I was wondering what are the
> benefits of doing so?
> We have two boxes with 12G of RAM and 8 processors each that host our
> memcache cluster running one instance of 64bit memcached. Is this a good
> idea? should we instead run multiple instances on each? what are the
> pro/cons?
> Thanks,
> Shayan

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