Github user pankajarora12 commented on the pull request:
https://github.com/apache/spark/pull/4770#issuecomment-76056141
I thought about that case too. Since we will be having many executors on
one node. So yarn will use different local dir for launching each executor
and that will use up other disks too.
On Thu, Feb 26, 2015 at 1:39 AM, Marcelo Vanzin <[email protected]>
wrote:
> There is also a second thing that is broken by this patch: YARN_LOCAL_DIRS
> can actually be multiple directories, as the name implies. The
BlockManager
> uses that to distribute shuffle files across multiple disks, to speed
> things up. After this change, everything will end up on the same disk.
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/spark/pull/4770#issuecomment-76045346>.
>
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