I updated the docs, thanks for the patch. On Tue, May 29, 2007 at 09:32:06AM +0200, BUSTARRET, Jean-francois wrote: > > As far as I understand the code, refcount is the number of concurrent > requests working on an item. > Something from the tail with refcount > 0 is being accessed and will soon be > moved to the head of the LRU. > > The doc is wrong. Here is what it should say : > > diff -rup memcached-1.2.2/doc/protocol.txt > memcached-1.2.2-doc/doc/protocol.txt > +++ memcached-1.2.2-doc/doc/protocol.txt 2007-05-29 09:19:12.000000000 > +0200 > @@ -352,8 +352,8 @@ get_hits 64u Number of key > found present > get_misses 64u Number of items that have been requested > and not found > -evictions 64u Number of items removed from cache because > - they passed their expiration time > +evictions 64u Number of valid items removed from cache > + to free memory for new items > bytes_read 64u Total number of bytes read by this server > from network > bytes_written 64u Total number of bytes sent by this server to > > Can someone with enough karma apply the patch ? > > JFB > > De : Ben Hartshorne [mailto:[EMAIL PROTECTED] > Envoyé : mardi 29 mai 2007 01:19 > À : BUSTARRET, Jean-francois > Cc : [email protected] > Objet : Re: evictions stat in 1.2.2 > > On Mon, May 28, 2007 at 05:32:15PM +0200, BUSTARRET, Jean-francois wrote: > > > > The eviction stat only counts "cache overflows" (valid entries bumped > > from the cache by inserts) and not expirations. > > > > What would be the point of counting expirations ? > > I agree that I am more interested in cache overflows. However, the docs in > 'protocol.txt' included with the tarball describes: > > 355 evictions 64u Number of items removed from cache because > 356 they passed their expiration time > > This seems incorrect, both by my reading of the code and your statement > above. Unfortunately, I can't quite describe exactly what evictions are > because I don't understand the conditions under which an item's refcount can > be nonzero (and therefore not bumped to make way for new items). > > -ben >
-- Paul Lindner ||||| | | | | | | | | | [EMAIL PROTECTED]
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