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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/04/27 20:23:39 UTC
[jira] [Assigned] (SPARK-5300) Spark loads file partitions in
inconsistent order on native filesystems
[ https://issues.apache.org/jira/browse/SPARK-5300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-5300:
-----------------------------------
Assignee: Apache Spark
> Spark loads file partitions in inconsistent order on native filesystems
> -----------------------------------------------------------------------
>
> Key: SPARK-5300
> URL: https://issues.apache.org/jira/browse/SPARK-5300
> Project: Spark
> Issue Type: Bug
> Components: Input/Output
> Affects Versions: 1.1.0, 1.2.0
> Environment: Linux, EXT4, for example.
> Reporter: Ewan Higgs
> Assignee: Apache Spark
>
> Discussed on user list in April 2014:
> http://apache-spark-user-list.1001560.n3.nabble.com/Spark-reads-partitions-in-a-wrong-order-td4818.html
> And on dev list January 2015:
> http://apache-spark-developers-list.1001551.n3.nabble.com/RDD-order-guarantees-td10142.html
> When using a file system which isn't HDFS, file partitions ('part-00000, part-00001', etc.) are not guaranteed to load in the same order. This means previously sorted RDDs will be loaded out of order.
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