On 1 Sep 2006, at 15:41, David Withers wrote:
Arek Kasprzyk wrote:
On 1 Sep 2006, at 10:27, David Withers wrote:
Hi Arek,
I just want to check a couple of things as I investigate this.
1. Are you seeing the above sequence of requests happening 100,000
times?
no, not the sequence of requests x 100,000, all of them ~100,000.
given that the sequece consists of 15 requests (most of which are
configuration
request, the sequence would happen ~6,000x15
The multiple 'datasets' and 'configuration' requests you are seeing was
due to cached results of those requests being lost when objects were
serialized - this problem has been fixed in the current code.
2. Does each request happen twice or is the logger reporting it
twice?
the request happens twice as far as I can make it.
I can't see anything in the client causing each query to be made twice.
Maybe the workflow does this explicitly.
I am only trying to signal the problem on the list. Perhaps it would
be
best if I got
you in touch with the guys who are working on these workflows
(offline)
and they will give
you more details themselves so you can verify that such problem
really
exists and if so
diagnose it further with them and come up with the plan for
improvements
if necessary
what do you think?
a.
I don't think we could prevent people from creating queries that have,
for example, an ensembl_transcript_id filter with one id - it's a
perfectly valid query.
yes, I agree. I'll forward your comments to the workflow guys
thanks David
a.
We could probably restrict the number of requests
that can be made to a biomart service within a set timeframe. However,
it would be better to restrict access on the server side - if the
server
starts sending errors back then Taverna, or another client using the
martservice interface, can retry later, using appropriate backoff and
delay.
David.
--
David Withers
School of Computer Science, University of Manchester,
Oxford Road, Manchester, M13 9PL, UK.
Tel: +44(0)161 275 0145
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Arek Kasprzyk
EMBL-European Bioinformatics Institute.
Wellcome Trust Genome Campus, Hinxton,
Cambridge CB10 1SD, UK.
Tel: +44-(0)1223-494606
Fax: +44-(0)1223-494468
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