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From Mark Hamstra <m...@clearstorydata.com>
Subject Re: is spark.cleaner.ttl safe?
Date Tue, 11 Mar 2014 21:01:18 GMT
Actually, TD's work-in-progress is probably more what you want:
https://github.com/apache/spark/pull/126


On Tue, Mar 11, 2014 at 1:58 PM, Michael Allman <msa@allman.ms> wrote:

> Hello,
>
> I've been trying to run an iterative spark job that spills 1+ GB to disk
> per iteration on a system with limited disk space. I believe there's enough
> space if spark would clean up unused data from previous iterations, but as
> it stands the number of iterations I can run is limited by available disk
> space.
>
> I found a thread on the usage of spark.cleaner.ttl on the old Spark Users
> Google group here:
>
> https://groups.google.com/forum/#!topic/spark-users/9ebKcNCDih4
>
> I think this setting may be what I'm looking for, however the cleaner
> seems to delete data that's still in use. The effect is I get bizarre
> exceptions from Spark complaining about missing broadcast data or
> ArrayIndexOutOfBounds. When is spark.cleaner.ttl safe to use? Is it
> supposed to delete in-use data or is this a bug/shortcoming?
>
> Cheers,
>
> Michael
>
>
>

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