Guoqiang reported some results in his PRs
https://github.com/apache/spark/pull/828 and
https://github.com/apache/spark/pull/929 . But this is really
problem-dependent. -Xiangrui
On Fri, Aug 15, 2014 at 12:30 PM, Debasish Das wrote:
> Hi,
>
> Are there any experiments detailing the performance hit due to HDFS
> checkpoint in ALS ?
>
> As we scale to large ranks with more ratings, I believe we have to cut the
> RDD lineage to safe guard against the lineage issue...
>
> Thanks.
> Deb
>
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