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Posted to issues@spark.apache.org by "Kaspar Sakmann (JIRA)" <ji...@apache.org> on 2017/04/20 09:23:04 UTC

[jira] [Created] (SPARK-20406) Upgrade parquet to 1.9

Kaspar Sakmann created SPARK-20406:
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             Summary: Upgrade parquet to 1.9
                 Key: SPARK-20406
                 URL: https://issues.apache.org/jira/browse/SPARK-20406
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.1.0
            Reporter: Kaspar Sakmann


Please upgrade parquet to 1.9. 
with 500G memory 48 CPUs and a dataset about 1G in size 
using Parquet 1.8 causes warnings:

"Total allocation exceeds 95.00% (2,147,483,647 bytes) of heap memory
Scaling row group sizes to 34.04% for 47 writers"

The issue appears to have been fixed with parquet 1.9, see
https://issues.apache.org/jira/browse/PARQUET-340





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