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https://issues.apache.org/jira/browse/SPARK-14273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885086#comment-15885086
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Hyukjin Kwon commented on SPARK-14273:
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Hi [~yhuai] and [~liancheng], it seems there is {{FileFormat.IsSplitable}}
which was resolve in SPARK-15654 and https://github.com/apache/spark/pull/13531.
Could we resolve this JIRA if I understood correctly?
> Add FileFormat.isSplittable to indicate whether a format is splittable
> ----------------------------------------------------------------------
>
> Key: SPARK-14273
> URL: https://issues.apache.org/jira/browse/SPARK-14273
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
>
> {{FileSourceStrategy}} assumes that all data source formats are splittable
> and always splits data files by fixed partition size. However, not all HDSF
> based formats are splittable. We need a flag to indicate that and ensure that
> non-splittable files won't be split into multiple Spark partitions.
> (PS: Is it "splitable" or "splittable"? Probably the latter one? Hadoop uses
> the former one though...)
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