GitHub user figo77 opened a pull request:
https://github.com/apache/spark/pull/19035
[SPARK-21822][SQL]When insert Hive Table is finished, it is better to clean
out the tmpLocation dir
## What changes were proposed in this pull request?
When insert Hive Table is finished, it is better to clean out the
tmpLocation dir(the temp directories like
".hive-staging_hive_2017-08-19_10-56-01_540_5448395226195533570-9/-ext-10000"
or "/tmp/hive/..." for an old spark version).
Otherwise, when lots of spark job are executed, millions of temporary
directories are left in HDFS. And these temporary directories can only be
deleted by the maintainer through the shell script.
## How was this patch tested?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/figo77/spark del_tmpdir
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19035.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 #19035
----
commit 93e716b544665fa42d89d3df4935fa0f38c78dea
Author: lufei <lu.fe...@zte.com.cn>
Date: 2017-08-24T06:28:04Z
When insert Hive Table is finished, it is better to clean out the
tmpLocation dir
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