jeff.rodenburg at gmail.com
Fri Dec 9 16:47:31 UTC 2005
Perfect, thank you
On 12/9/05, Peter van Dijk <peter at nextgear.nl> wrote:
> On Wed, Dec 07, 2005 at 10:49:08PM -0800, Jeff Rodenburg wrote:
> > I'm new to memcached and need a little guidance. I've got a relative
> > understanding of how memcached works and would like to monitor the
> > Is it possible to measure the available capacity of a running memcached
> > instance? For example, considering a memcached daemon allocated 2GB of
> > how much available space exists on that instance?
> > My goal is to understand how much cache is being used in order to plan
> > many more daemons/systems we need to allocate. I'm not even sure if
> this is
> > an appropriate approach, but I wasn't able to find an answer in the
> > list archives.
> # telnet localhost 11211
> Trying 127.0.0.1...
> Connected to localhost
> Escape character is '^]'.
> STAT pid 7160
> STAT uptime 12259115
> STAT time 1134120329
> STAT version 1.1.11
> STAT rusage_user 152:349128
> STAT rusage_system 284:196501
> STAT curr_items 26837
> STAT total_items 342093
> STAT bytes 1594665
> STAT curr_connections 1
> STAT total_connections 814007
> STAT connection_structures 7
> STAT cmd_get 846178
> STAT cmd_set 342078
> STAT get_hits 764174
> STAT get_misses 82004
> STAT bytes_read 94808973
> STAT bytes_written 182472401
> STAT limit_maxbytes 134217728
> Specifically, `bytes' is the amount of memory in use within memcache,
> out of a maximum of limit_maxbytes (which would be ~2GB in your case).
> However, keep in mind that `bytes' may count data that is ready to
> be expired but hasn't been removed yet.
> Most client libraries have functionality to extract these statistics.
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