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From Li Pi ...@cloudera.com>
Subject Re: Multithreaded get
Date Tue, 23 Aug 2011 04:08:19 GMT
Yes.

Even if all keys are on the same region, you'll experience a speedup if
multithreaded.

Sort of relevant: read performance test with differing number of reader
threads based on where the file is cached.

On Mon, Aug 22, 2011 at 9:04 PM, Jimson K. James <jimson.james@nestgroup.net
> wrote:

> Hi All,
>
>
>
> Can anyone confirm that, when a multi threaded application, say with 10
> threads,  try to get 10 different keys from 10 different regions spread
> over 10 nodes yield 1/10th of the total time taken by a single thread to
> fetch the same 10 keys?
>
>
>
> Or in other words,
>
>
>
> If I get 10 ms for the Get of a single key, then for 10 keys,
> 10*10=100ms for single threaded application and
>
> Approx 10ms for 10 keys in a 10 threaded application?
>
>
>
> Will the 10 threads retrieve the 10 keys simultaneously?
>
>
>
> The target keys are all 1MB in size and the network speed is 10/100Mbps
> lan.
>
>
>
> Thanks & Regards,
>
> Jimson K James
>
>
>
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