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From eyalfa <>
Subject [GitHub] spark issue #18855: [SPARK-3151][Block Manager] DiskStore.getBytes fails for...
Date Mon, 07 Aug 2017 16:53:58 GMT
Github user eyalfa commented on the issue:
    @HyukjinKwon , interesting reading but I couldn't find a concrete reason or solution to
the issue.
    @cloud-fan, I've encountered this bug when working with a disk persisted RDD, it turned
out some of our partitions exceeded the 2GB limit and failed on `DiskStore.getBytes`.
    since we're using a specific commercial distro I couldn't test this patch on my use case
(we got rid of the large partitions anyway by tuning number of partitions and tweaking the
DAG altogether :sunglasses: ), so I did the next best thing: reproduce the issue in a test
case, please see test "blocks larger than 2gb" in `DiskStoreSuite` inthis PR.

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