Jars and libraries only accessible locally at the driver is fairly limited? Don’t you want the same on all executor?
________________________________ From: Yinan Li <liyinan...@gmail.com> Sent: Friday, October 5, 2018 11:25 AM To: Stavros Kontopoulos Cc: rve...@dotnetrdf.org; dev Subject: Re: [DISCUSS][K8S] Local dependencies with Kubernetes > Just to be clear: in client mode things work right? (Although I'm not really familiar with how client mode works in k8s - never tried it.) If the driver runs on the submission client machine, yes, it should just work. If the driver runs in a pod, however, it faces the same problem as in cluster mode. Yinan On Fri, Oct 5, 2018 at 11:06 AM Stavros Kontopoulos <stavros.kontopou...@lightbend.com<mailto:stavros.kontopou...@lightbend.com>> wrote: @Marcelo is correct. Mesos does not have something similar. Only Yarn does due to the distributed cache thing. I have described most of the above in the the jira also there are some other options. Best, Stavros On Fri, Oct 5, 2018 at 8:28 PM, Marcelo Vanzin <van...@cloudera.com.invalid<mailto:van...@cloudera.com.invalid>> wrote: On Fri, Oct 5, 2018 at 7:54 AM Rob Vesse <rve...@dotnetrdf.org<mailto:rve...@dotnetrdf.org>> wrote: > Ideally this would all just be handled automatically for users in the way > that all other resource managers do I think you're giving other resource managers too much credit. In cluster mode, only YARN really distributes local dependencies, because YARN has that feature (its distributed cache) and Spark just uses it. Standalone doesn't do it (see SPARK-4160) and I don't remember seeing anything similar on the Mesos side. There are things that could be done; e.g. if you have HDFS you could do a restricted version of what YARN does (upload files to HDFS, and change the "spark.jars" and "spark.files" URLs to point to HDFS instead). Or you could turn the submission client into a file server that the cluster-mode driver downloads files from - although that requires connectivity from the driver back to the client. Neither is great, but better than not having that feature. Just to be clear: in client mode things work right? (Although I'm not really familiar with how client mode works in k8s - never tried it.) -- Marcelo --------------------------------------------------------------------- To unsubscribe e-mail: dev-unsubscr...@spark.apache.org<mailto:dev-unsubscr...@spark.apache.org>
