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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/03/13 14:52:00 UTC
[jira] [Commented] (SPARK-23669) Executors fetch jars and name the
jars with md5 prefix
[ https://issues.apache.org/jira/browse/SPARK-23669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397052#comment-16397052 ]
Apache Spark commented on SPARK-23669:
--------------------------------------
User 'jinxing64' has created a pull request for this issue:
https://github.com/apache/spark/pull/20812
> Executors fetch jars and name the jars with md5 prefix
> ------------------------------------------------------
>
> Key: SPARK-23669
> URL: https://issues.apache.org/jira/browse/SPARK-23669
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: jin xing
> Priority: Minor
>
> In our cluster, there are lots of UDF jars, some of them have the same filename but different path, for example:
> ```
> hdfs://A/B/udf.jar -> udfA
> hdfs://C/D/udf.jar -> udfB
> ```
> When user uses udfA and udfB in same sql, executor will fetch both *hdfs://A/B/udf.jar* and *hdfs://C/D/udf.jar.* There will be a conflict for the same name.
>
> Can we config to fetch jars and save with a filename with MD5 prefix, so there will be no conflict.
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