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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17111) Add TestLocalSparkCliDriver
Date Tue, 17 Oct 2017 03:02:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206945#comment-16206945
] 

Rui Li commented on HIVE-17111:
-------------------------------

I think the new test needs order by to give deterministic output. Besides, should it be included
in {{master-mr2.properties}}?

> Add TestLocalSparkCliDriver
> ---------------------------
>
>                 Key: HIVE-17111
>                 URL: https://issues.apache.org/jira/browse/HIVE-17111
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>            Reporter: Sahil Takiar
>            Assignee: Sahil Takiar
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17111.1.patch
>
>
> The TestSparkCliDriver sets the spark.master to local-cluster[2,2,1024] but the HoS still
uses decides to use the RemoteHiveSparkClient rather than the LocalHiveSparkClient.
> The issue is with the following check in HiveSparkClientFactory:
> {code}
>     if (master.equals("local") || master.startsWith("local[")) {
>       // With local spark context, all user sessions share the same spark context.
>       return LocalHiveSparkClient.getInstance(generateSparkConf(sparkConf));
>     } else {
>       return new RemoteHiveSparkClient(hiveconf, sparkConf);
>     }
> {code}
> When {{master.startsWith("local[")}} it checks the value of spark.master and sees that
it doesn't start with {{local[}} and then decides to use the RemoteHiveSparkClient.
> We should fix this so that the LocalHiveSparkClient is used. It should speed up some
of the tests, and also makes qtests easier to debug since everything will now be run in the
same process.



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