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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:02:29 UTC
[jira] [Updated] (SPARK-20001) Support PythonRunner executing
inside a Conda env
[ https://issues.apache.org/jira/browse/SPARK-20001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-20001:
---------------------------------
Labels: bulk-closed (was: )
> Support PythonRunner executing inside a Conda env
> -------------------------------------------------
>
> Key: SPARK-20001
> URL: https://issues.apache.org/jira/browse/SPARK-20001
> Project: Spark
> Issue Type: New Feature
> Components: PySpark, Spark Core
> Affects Versions: 2.2.0
> Reporter: Dan Sanduleac
> Priority: Major
> Labels: bulk-closed
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Similar to SPARK-13587, I'm trying to allow the user to configure a Conda environment that PythonRunner will run from.
> This change remembers theconda environment found on the driver and installs the same packages on the executor side, only once per PythonWorkerFactory. The list of requested conda packages are added to the PythonWorkerFactory cache, so two collects using the same environment (incl packages) can re-use the same running executors.
> You have to specify outright what packages and channels to "bootstrap" the environment with.
> However, SparkContext (as well as JavaSparkContext & the pyspark version) are expanded to support addCondaPackage and addCondaChannel.
> Rationale is:
> * you might want to add more packages once you're already running in the driver
> * you might want to add a channel which requires some token for authentication, which you don't yet have access to until the module is already running
> This issue requires that the conda binary is already available on the driver as well as executors, you just have to specify where it can be found.
> Please see the attached pull request on palantir/spark for additional details: https://github.com/palantir/spark/pull/115
> As for tests, there is a local python test, as well as yarn client & cluster-mode tests, which ensure that a newly installed package is visible from both the driver and the executor.
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