[SPARK-39508][CORE][PYTHON] Support IPv6 between JVM and Python Daemon in PySpark #36906
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dongjoon-hyun
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Jun 18, 2022
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dongjoon-hyun
changed the title
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Rebased to the master in order to bring #36905 . |
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Hi, @HyukjinKwon . How do you think about this PR? This is a preparation for PySpark UTs. |
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Will review this today or tomorrow. |
HyukjinKwon
approved these changes
Jun 20, 2022
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Merged to master. |
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Thank you so much, @HyukjinKwon ! |
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What changes were proposed in this pull request?
This PR aims to use
IPv6between Spark and Python Daemon in IPv6-only system.Unlike
spark-shell,pysparkstarts Python shell andjava-gatewayfirst.We need a new environment variable,
SPARK_PREFER_IPV6=Trueinpysparkshell, like the following.Why are the changes needed?
Currently, PySpark uses
127.0.0.1for inter-communication between Python Daemon and JVM.Does this PR introduce any user-facing change?
No.
How was this patch tested?
Pass the CIs.