Re: Problems with Tungsten in Spark 1.5.0-rc2

Ok, thanks Reynold. When I tested dynamic allocation with Spark 1.4, it complained saying that it was not tungsten compliant. Lets hope it works with 1.5 then! On Tue, Sep 8, 2015 at 5:49 AM Reynold Xin wrote: > > On Wed, Sep 2, 2015 at 12:03 AM, Anders Arpteg

Re: Problems with Tungsten in Spark 1.5.0-rc2

On Wed, Sep 2, 2015 at 12:03 AM, Anders Arpteg wrote: > > BTW, is it possible (or will it be) to use Tungsten with dynamic > allocation and the external shuffle manager? > > Yes - I think this already works. There isn't anything specific here related to Tungsten.

Re: Problems with Tungsten in Spark 1.5.0-rc2

I haven't done a comparative benchmarking between the two, and it would involve some work to do so. A single run with each suffler would probably not say that much since we have a rather busy cluster and the performance heavily depends on what's currently running in the cluster. I have seen less

Re: Problems with Tungsten in Spark 1.5.0-rc2

A fix submitted less than one hour after my mail, very impressive Davies! I've compiled your PR and tested it with the large job that failed before, and it seems to work fine now without any exceptions. Awesome, thanks! Best, Anders On Tue, Sep 1, 2015 at 1:38 AM Davies Liu

Problems with Tungsten in Spark 1.5.0-rc2

Was trying out 1.5 rc2 and noticed some issues with the Tungsten shuffle manager. One problem was when using the com.databricks.spark.avro reader and the error(1) was received, see stack trace below. The problem does not occur with the "sort" shuffle manager. Another problem was in a large

Re: Problems with Tungsten in Spark 1.5.0-rc2

I had sent out a PR [1] to fix 2), could you help to test that? [1] https://github.com/apache/spark/pull/8543 On Mon, Aug 31, 2015 at 12:34 PM, Anders Arpteg wrote: > Was trying out 1.5 rc2 and noticed some issues with the Tungsten shuffle > manager. One problem was when