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Posted to issues@spark.apache.org by "Anusha Buchireddygari (JIRA)" <ji...@apache.org> on 2019/02/05 18:08:00 UTC

[jira] [Updated] (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 ]

Anusha Buchireddygari updated SPARK-26828:
------------------------------------------
    Priority: Minor  (was: Major)

> 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 set 
> .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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