GitHub user bogdanrdc opened a pull request:
https://github.com/apache/spark/pull/17591
[SPARK-20280][CORE] FileStatusCache Weigher integer overflow
## What changes were proposed in this pull request?
Weigher.weigh needs to return Int but it is possible for an
Array[FileStatus] to have size > Int.maxValue. To avoid this, the size is
scaled down by a factor of 32. The maximumWeight of the cache is also scaled
down by the same factor.
## How was this patch tested?
New test in FileIndexSuite
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bogdanrdc/spark SPARK-20280
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17591.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17591
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commit f4ae52a0c60b9d2a086e4f1ad0bb3675bebc47da
Author: Bogdan Raducanu <bog...@databricks.com>
Date: 2017-04-10T11:52:41Z
fix + test
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