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Posted to issues@paimon.apache.org by "wForget (via GitHub)" <gi...@apache.org> on 2024/04/16 07:01:03 UTC

[I] [Feature] Default parallelism in SparkWriter also needs to consider numShufflePartitions [paimon]

wForget opened a new issue, #3217:
URL: https://github.com/apache/paimon/issues/3217

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.
   
   
   ### Motivation
   
   `PaimonSparkWriter` uses `sparkSession.sparkContext.defaultParallelism` as the default parallelism, which may cause small parallelism when `DRA` is enabled, so we can also consider using `numShufflePartitions`
   
   https://github.com/apache/paimon/blob/0bd955cb30c015d918e886f2fa61eb70ae697da8/paimon-spark/paimon-spark-common/src/main/scala/org/apache/paimon/spark/commands/PaimonSparkWriter.scala#L133.
   
   ### Solution
   
   _No response_
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [X] I'm willing to submit a PR!


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Re: [I] [Feature] Default parallelism in SparkWriter also needs to consider numShufflePartitions [paimon]

Posted by "wForget (via GitHub)" <gi...@apache.org>.
wForget commented on issue #3217:
URL: https://github.com/apache/paimon/issues/3217#issuecomment-2058377830

   Similar to https://github.com/apache/iceberg/pull/8327


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Re: [I] [Feature] Default parallelism in SparkWriter also needs to consider numShufflePartitions [paimon]

Posted by "YannByron (via GitHub)" <gi...@apache.org>.
YannByron closed issue #3217: [Feature] Default parallelism in SparkWriter also needs to consider numShufflePartitions
URL: https://github.com/apache/paimon/issues/3217


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