[kepler-dev] I broke Eml200DataSource.
tao at nceas.ucsb.edu
Fri Jan 6 12:59:49 PST 2006
I thought we had one which has the same data set in workflow/test dir, but
i double checked and couldn't find it.
After meeting of SD, i fixed the bug and the workflow which has same
dataset worked. But I am not sure now.
Create this workflow is simple: search for datos and drag the result twice
National Center for Ecological
Analysis and Synthesis (NCEAS)
735 State St. Suite 204
Santa Barbara, CA 93101
On Fri, 6 Jan 2006, Kevin Ruland wrote:
> Date: Fri, 06 Jan 2006 14:20:00 -0600
> From: Kevin Ruland <kruland at ku.edu>
> To: Dan Higgins <higgins at nceas.ucsb.edu>
> Cc: Kepler-Dev <kepler-dev at ecoinformatics.org>
> Subject: Re: [kepler-dev] I broke Eml200DataSource.
> Thanks. I was going to build one myself but this will be easier. I saw
> some obvious problem in the eml200DataSource actor including the dreaded
> busy-wait. The obvious synchronization points result in deadlocks. I
> will look at this very carefully and have it fixed shortly.
> BTW - does this workflow have two actors using the same datasets? That
> is another case which we must handle as well.
> Dan Higgins wrote:
>> Another workflow to check is " IPCC_BASE_Layers.xml" (in
>> workflows/eco; #16 on the ENM_Workflows html page). This workflow has
>> 10 EMLDataSources. Jing and I spent a lot of time earlier this week
>> getting it to run (prior to your last set of changes) and there were
>> apparently a number of thread issues with 10 datasources opening in
>> separate threads. Jing got it working both from the cache and from
>> Ecogrid, but I haven't tried your new code (since I have been
>> preparing for a training session next week in Albuquerque). So if
>> there are thread problems, they will probably appear in this workflow!
>> Kevin Ruland wrote:
>>> I have this mostly working again. The GDAL_h1K_NS.xml workflow works
>>> most of the time. It will always work from cache. There are some
>>> significant threading issues in this class currently. I am going to
>>> take a close look at them now.
>>> Kevin Ruland wrote:
>>>> Hi all,
>>>> In the recent commits, I ended up breaking the Eml200DataSource
>>>> actor. Unfortunately, I have not tracked down the problem just
>>>> yet. I expect to have it repaired by tomorrow morning.
>>>> Sorry for any inconvience.
>>>> Kepler-dev mailing list
>>>> Kepler-dev at ecoinformatics.org
>>> Kepler-dev mailing list
>>> Kepler-dev at ecoinformatics.org
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