Spreading key/value pairs across multiple memcached servers
Greg Whalin
gwhalin at meetup.com
Wed Dec 1 13:51:21 PST 2004
This request is in the client. I sent you a fairly heavy email
yesterday explaining how this works. Did you not receive it?
Chris Hartjes wrote:
> 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?
>>>
>>
>
>
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