Re: Question about load balance

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От Condor
Тема Re: Question about load balance
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Msg-id 2701e30fd8bb6ef54e6217851580ac6a@stz-bg.com
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Ответ на Re: Question about load balance  (John R Pierce <pierce@hogranch.com>)
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On 2012-06-12 10:48, John R Pierce wrote:
> On 06/11/12 11:29 PM, Condor wrote:
>> I think I'm trying to learn information what is the technique for
>> managing large databases
>> not to philosophize what was my server.
>
> you handle large databases with a lot of fast disk, and memory, this
> gets you into the terabytes.
>
> clustering/load balancing would not do for this, other than needing
> MORE fast disk (N replicas require N times the disk system of one
> database).   clustering can provide active/slave failover for high
> availability, or it can provide replicas for balancing read queries.
> updates have to be made to all the replicas, so they wont be any
> faster than a single server (in fact, will be slower due to the
> overhead of replication
>
> --
> john r pierce                            N 37, W 122
> santa cruz ca                         mid-left coast


Thanks, I thought so, but I was not sure whether this is a better
option.

H.


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