Spreading key/value pairs across multiple memcached servers

Chris Hartjes chartjes at gmail.com
Wed Dec 1 08:25:49 PST 2004

I had a chat about this with my boss, and his concern is not that we
distribute the keys evenly, his concern is distributing the request to
find out what server a key is sitting on.  I figure he doesn't want
the first memcached server getting constantly pounded with requests
for the location of a key, while the second server could be helping
out in that regards.

On Wed, 01 Dec 2004 11:21:59 -0500, Greg Whalin <gwhalin at meetup.com> wrote:
> A good hashing algorithm should take care of this for you.  I am under
> the impression that the currently used default for the perl and php
> clients is using a new alg based on a crc32 checksum that gets very even
> key distribution, so I don't see this as being an issue.
> Chris Hartjes wrote:
> > My boss has requested that if we are to implement the use of memcached
> > for our site, that we need to "load balance" the data we place in
> > multiple memcached servers.  I guess the concern is that we would be
> > overtaxing one memcached server while other memcached servers are
> > being underutilized.
> >
> > Thoughts?  Comments?
> >

Chris Hartjes

"I know monkeys, and monkeys are good people!"

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