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From "Felix Cheung (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-5162) Python yarn-cluster mode
Date Fri, 08 Jan 2016 01:03:39 GMT

     [ https://issues.apache.org/jira/browse/SPARK-5162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Felix Cheung updated SPARK-5162:
--------------------------------
    Description: 
Running pyspark in yarn is currently limited to ‘yarn-client’ mode. It would be great
to be able to submit python applications to the cluster and (just like java classes) have
the resource manager setup an AM on any node in the cluster. Does anyone know the issues blocking
this feature? I was snooping around with enabling python apps:

Removing the logic stopping python and yarn-cluster from sparkSubmit.scala

...
    // The following modes are not supported or applicable
    (clusterManager, deployMode) match {
      ...
      case (_, CLUSTER) if args.isPython =>
        printErrorAndExit("Cluster deploy mode is currently not supported for python applications.")
      ...
    }

…

and submitting application via:

HADOOP_CONF_DIR={{insert conf dir}} ./bin/spark-submit --master yarn-cluster --num-executors
2  —-py-files {{insert location of egg here}} --executor-cores 1  ../tools/canary.py

Everything looks to run alright, pythonRunner is picked up as main class, resources get setup,
yarn client gets launched but falls flat on its face:

2015-01-08 18:48:03,444 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService:
DEBUG: FAILED { {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py, 1420742868009,
FILE, null }, Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py
changed on src filesystem (expected 1420742868009, was 1420742869284

and

2015-01-08 18:48:03,446 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalizedResource:
Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py(->/data/4/yarn/nm/usercache/klassen/filecache/11/canary.py)
transitioned from DOWNLOADING to FAILED

Tracked this down to the apache hadoop code(FSDownload.java line 249) related to container
localization of files upon downloading. At this point thought it would be best to raise the
issue here and get input.

  was:
2Running pyspark in yarn is currently limited to ‘yarn-client’ mode. It would be great
to be able to submit python applications to the cluster and (just like java classes) have
the resource manager setup an AM on any node in the cluster. Does anyone know the issues blocking
this feature? I was snooping around with enabling python apps:

Removing the logic stopping python and yarn-cluster from sparkSubmit.scala

...
    // The following modes are not supported or applicable
    (clusterManager, deployMode) match {
      ...
      case (_, CLUSTER) if args.isPython =>
        printErrorAndExit("Cluster deploy mode is currently not supported for python applications.")
      ...
    }

…

and submitting application via:

HADOOP_CONF_DIR={{insert conf dir}} ./bin/spark-submit --master yarn-cluster --num-executors
2  —-py-files {{insert location of egg here}} --executor-cores 1  ../tools/canary.py

Everything looks to run alright, pythonRunner is picked up as main class, resources get setup,
yarn client gets launched but falls flat on its face:

2015-01-08 18:48:03,444 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService:
DEBUG: FAILED { {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py, 1420742868009,
FILE, null }, Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py
changed on src filesystem (expected 1420742868009, was 1420742869284

and

2015-01-08 18:48:03,446 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalizedResource:
Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py(->/data/4/yarn/nm/usercache/klassen/filecache/11/canary.py)
transitioned from DOWNLOADING to FAILED

Tracked this down to the apache hadoop code(FSDownload.java line 249) related to container
localization of files upon downloading. At this point thought it would be best to raise the
issue here and get input.


> Python yarn-cluster mode
> ------------------------
>
>                 Key: SPARK-5162
>                 URL: https://issues.apache.org/jira/browse/SPARK-5162
>             Project: Spark
>          Issue Type: New Feature
>          Components: PySpark, YARN
>            Reporter: Dana Klassen
>            Assignee: Lianhui Wang
>              Labels: cluster, python, yarn
>             Fix For: 1.4.0
>
>
> Running pyspark in yarn is currently limited to ‘yarn-client’ mode. It would be great
to be able to submit python applications to the cluster and (just like java classes) have
the resource manager setup an AM on any node in the cluster. Does anyone know the issues blocking
this feature? I was snooping around with enabling python apps:
> Removing the logic stopping python and yarn-cluster from sparkSubmit.scala
> ...
>     // The following modes are not supported or applicable
>     (clusterManager, deployMode) match {
>       ...
>       case (_, CLUSTER) if args.isPython =>
>         printErrorAndExit("Cluster deploy mode is currently not supported for python
applications.")
>       ...
>     }
> …
> and submitting application via:
> HADOOP_CONF_DIR={{insert conf dir}} ./bin/spark-submit --master yarn-cluster --num-executors
2  —-py-files {{insert location of egg here}} --executor-cores 1  ../tools/canary.py
> Everything looks to run alright, pythonRunner is picked up as main class, resources get
setup, yarn client gets launched but falls flat on its face:
> 2015-01-08 18:48:03,444 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService:
DEBUG: FAILED { {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py, 1420742868009,
FILE, null }, Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py
changed on src filesystem (expected 1420742868009, was 1420742869284
> and
> 2015-01-08 18:48:03,446 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalizedResource:
Resource {{redacted}}/.sparkStaging/application_1420594669313_4687/canary.py(->/data/4/yarn/nm/usercache/klassen/filecache/11/canary.py)
transitioned from DOWNLOADING to FAILED
> Tracked this down to the apache hadoop code(FSDownload.java line 249) related to container
localization of files upon downloading. At this point thought it would be best to raise the
issue here and get input.



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