[jira] [Created] (SPARK-25079) [PYTHON] upgrade python 3.4 -> 3.5

["shane knapp (JIRA)" <ji...@apache.org>]

shane knapp created SPARK-25079:
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             Summary: [PYTHON] upgrade python 3.4 -> 3.5
                 Key: SPARK-25079
                 URL: https://issues.apache.org/jira/browse/SPARK-25079
             Project: Spark
          Issue Type: Improvement
          Components: Build, PySpark
    Affects Versions: 2.3.1
            Reporter: shane knapp
            Assignee: shane knapp


for the impending arrow upgrade (https://issues.apache.org/jira/browse/SPARK-23874) we need to bump python 3.4 -> 3.5.

i have been testing this here:  [https://amplab.cs.berkeley.edu/jenkins/view/RISELab%20Infra/job/ubuntuSparkPRB/|https://amplab.cs.berkeley.edu/jenkins/view/RISELab%20Infra/job/ubuntuSparkPRB/69]

my methodology:

1) upgrade python + arrow to 3.5 and 0.10.0

2) run python tests

3) when i'm happy that Things Won't Explode Spectacularly, pause jenkins and upgrade centos workers to python3.5

4) simultaneously do the following: 

  - create a symlink in /home/anaconda/envs/py3k/bin for python3.4 that points to python3.5 (this is currently being tested here:  [https://amplab.cs.berkeley.edu/jenkins/view/RISELab%20Infra/job/ubuntuSparkPRB/69)]

  - push a change to python/run-tests.py replacing 3.4 with 3.5

5) once the python3.5 change to run-tests.py is merged, we will need to back-port this to all existing branches

6) then and only then can i remove the python3.4 -> python3.5 symlink



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