GitHub user felixcheung opened a pull request:
https://github.com/apache/spark/pull/16330
[SPARK-18817][SPARKR][SQL] change derby log output and metastore to temp dir
## What changes were proposed in this pull request?
Passes R `tempdir()` (this is the R session temp dir, shared with other
temp files/dirs) to JVM, override Hadoop (Hive) Conf for JDO if not set (eg.
hive-site.xml not loaded) for metastore_db
Set System.Property for derby home dir to move derby.log
## How was this patch tested?
Manually, unit tests
With this, these are relocated to under /tmp
```
/tmp# ls RtmprNffBx/
derby.log
metastore_db
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/felixcheung/spark rderby
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16330.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 #16330
----
commit 338b3c46ed2435daf2e780eab1ed04be3ed0b3ea
Author: Felix Cheung <[email protected]>
Date: 2016-12-18T22:44:51Z
set derby dir
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