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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2019/03/01 21:39:00 UTC
[jira] [Resolved] (SPARK-26828) Coalesce to reduce partitions
before writing to hive is not working
[ https://issues.apache.org/jira/browse/SPARK-26828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-26828.
-------------------------------
Resolution: Cannot Reproduce
Not enough info here.
> Coalesce to reduce partitions before writing to hive is not working
> -------------------------------------------------------------------
>
> Key: SPARK-26828
> URL: https://issues.apache.org/jira/browse/SPARK-26828
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: Anusha Buchireddygari
> Priority: Minor
>
> final_store.coalesce(5).write.mode("overwrite").insertInto("database.tablename",overwrite = True), this statement is not merging partitions. I've setÂ
> .config("spark.default.parallelism", "2000") \
> .config("spark.sql.shuffle.partitions", "2000") \
> however repartition is working but takes 20-25 minutes to insert.
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