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Thanks for your thoughts Chris! Please find my response below:
- Rather than a fixed timeout, could we do some sort of exponential
backoff? Start with a 10 or 20 second blacklist and increase from there?
The nodes with catastrophic errors should quickly hit long blacklist
intervals.
- +1 I like th
I just realized I didn't make it very clear my stance here ... here's another
try:
I think it's a no brainer to have a good columnar UDF interface. This would
facilitate a lot of high performance applications, e.g. GPU-based accelerations
for machine learning algorithms.
On rewriting the entir
well now! color me completely surprised... i decided to whip up a fresh
python3.6.8 conda environment this morning to "see if things just worked".
well, apparently they do! :)
regardless, this is pretty awesome news as i will be able to easily update
the 'py3k' python3.4 environment to a fresh
Hey Ankur,
I think the significant decrease in "spark.blacklist.timeout" (1 hr down to
5 minutes) in your updated suggestion is the key here.
Looking at a few *successful* runs of the application I was debugging, here
are the error rates when I did *not* have blacklisting enabled:
Run A: 8 execu
Vinod,
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On Sun, Mar 31, 2019 at 7:42 AM Vinod V Rangayyan
wrote:
> I wish to unsubscribe from dev@spark.apache.org
>
>
>
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> On Mar 31, 2019, at 10:07
Hi Chris,
Thanks for sending over the example. As far as I can understand, it seems
that this would not have been a problem if
"spark.blacklist.application.maxFailedTasksPerExecutor" was set to a higher
threshold, as mentioned in my previous email.
Though, with 8/7 executors and 2 failedTasksPerE
i'd much prefer that we minimize the number of python versions that we test
against... would 2.7 and 3.6 be sufficient?
On Fri, Mar 29, 2019 at 10:23 PM Felix Cheung
wrote:
> I don’t take it as Sept 2019 is end of life for python 3.5 tho. It’s just
> saying the next release.
>
> In any case I t
