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Posted to issues@spark.apache.org by "liuxian (JIRA)" <ji...@apache.org> on 2018/09/06 10:38:00 UTC

[jira] [Created] (SPARK-25356) Add Parquet block size (row group size) option to SparkSQL configuration

liuxian created SPARK-25356:
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             Summary:  Add  Parquet block size (row group size)  option to SparkSQL configuration
                 Key: SPARK-25356
                 URL: https://issues.apache.org/jira/browse/SPARK-25356
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: liuxian


I think we should configure the Parquet buffer size when using Parquet format.

Because for HDFS, `dfs.block.size` is configurable, sometimes we hope the block size of parquet to be consistent with it.

And  whether this parameter `spark.sql.files.maxPartitionBytes` is best consistent with the Parquet  block size when using Parquet format?



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