Ewan Higgs created SPARK-5300:
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Summary: 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: 1.2.0, 1.1.0
Environment: Linux, EXT4, for example.
Reporter: Ewan Higgs
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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