On Wed, Apr 30, 2008 at 2:16 AM, Miguel DeAvila <[EMAIL PROTECTED]> wrote:
> On Tuesday 29 April 2008 03:48:41 老邪 wrote: > > yah, i have 1.2.5 now. and the stats part showing > > > > STAT evictions 8719397 > > > > what does it mean though?? > > It means that valid items are being removed from the cache in order to > make room for new items. > See > > > http://code.sixapart.com/svn/memcached/trunk/server/doc/protocol.txt > > (Search for 'evictions' in the 'General-purpose statistics' section.) > > In a perfect world there are 0 evictions, though that's not been the case > for me in practice. > You really need to look at the number of evictions in relation to the > number of 'set' operations. > If the evictions are a small percentage (< 5%) then you might want to just > ignore it. > > On the other hand, if you want to reduce the number of evictions then you > may want to > > - check your TTLs and see if there are some items that can have a smaller > TTL > - add more memory to your memcache cluster (by allocating more memory to > your existing > servers or adding more servers). > > Miguel > > > thanks alot!!!!! Miguel~
