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From "Robert Greig" <robert.j.gr...@gmail.com>
Subject Re: Weekly plans.
Date Thu, 08 Nov 2007 10:57:19 GMT
On 08/11/2007, Rupert Smith <rupertlssmith@googlemail.com> wrote:

> By batching, I mean that on a disk that can only do maybe 500 IOPS, by
> combining (batching) writes, it manages 8k msgs/sec. We can get similar
> results for Qpid when running under transactions, and sending 10
> msgs/transaction, but in auto ack mode our write combining strategy does not
> seem to be quite so effective, giving a result closer to the 500 for that
> particular test. I'm not sure exactly why that is. Perhaps its all down to
> our choice of transaction logger. Perhaps our write combining strategy is
> not active in auto ack mode.

So you're saying that Swift can do 8k msgs/sec with a single commit per message?


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