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From "yuemeng (JIRA)" <>
Subject [jira] [Commented] (HIVE-8855) Automatic calculate reduce number for spark job[Spark Branch]
Date Tue, 25 Nov 2014 09:24:12 GMT


yuemeng commented on HIVE-8855:

HI,i built a hive-on-spark package (the hive src code with spark branch get from
)and built a spark (master branch get from ),my assembly
jar is spark-assembly-1.2.0-SNAPSHOT-hadoop2.4.0.jar,and configure this assembly jar path
in (export HIVE_AUX_JARS_PATH),and start metastore server ,then i run this comand
in hive shell:
set hive.execution.engine=spark;
set spark.master=spark://;
set spark.eventLog.enabled=true; 
set spark.executor.memory=1024m;
set spark.serializer=org.apache.spark.serializer.KryoSerializer;
then start a query ,but it seems it can't jump to spark engine,it still give me some error
like :
ication_time: 1416935573226 access_time: 0 block_replication: 0 blocksize: 0 fileId: 31127
childrenNum: 0 }}
14/11/26 01:12:53 [main]: INFO session.SessionState: No Tez session required at this point.
i think it still use mr for query,i don't konw why ,and in the spark webui,i can't found any
info during query in hive.can u tell me why?

> Automatic calculate reduce number for spark job[Spark Branch]
> -------------------------------------------------------------
>                 Key: HIVE-8855
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Chengxiang Li
>            Assignee: Jimmy Xiang
>              Labels: Spark-M3
>             Fix For: spark-branch
>         Attachments: HIVE-8855.1-spark.patch, HIVE-8855.2-spark.patch
> As the following up work of HIVE-8649, we should enable reduce number automatic calculation
for both local spark client and remote spark client.

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