Suggested memory allocation for memcached

Ivan Krstić krstic at
Sat Dec 16 10:39:38 UTC 2006

howard chen wrote:
> If memcached is always full of memory and need to swap out the old
> data, is this a good situation?

You should never have memcached swap; it tries to not exceed the memory
size you specified at startup. You might have to adjust the difference
in how much memory you give it vs. how much you have available after you
see how much overhead it adds on top of the specified allocation, but
the overhead should generally settle to a predictable size over time.

Ivan Krstić <krstic at> | GPG: 0x147C722D

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