Luke Lonergan wrote:
> Mark,
>
> On 11/18/05 3:46 PM, "Mark Kirkwood" <markir@paradise.net.nz> wrote:
>
> If you alter this to involve more complex joins (e.g 4. way star) and
> (maybe add a small number of concurrent executors too) - is it still the
> case?
>
>
> I may not have listened to you - are you asking about whether the
> readahead works for these cases?
>
> I’ll be running some massive TPC-H benchmarks on these machines soon –
> we’ll see then.
That too, meaning the business of 1 executor random reading a given
relation file whilst another is sequentially scanning (some other) part
of it....
Cheers
Mark
