Paul Rogers created DRILL-6266:
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Summary: Incorrect log path when Drill launched with --site option
Key: DRILL-6266
URL: https://issues.apache.org/jira/browse/DRILL-6266
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.13.0
Reporter: Paul Rogers
Fix For: 1.14.0
Drill supports the --site option to specify where user-specific files reside.
These include config files, jars, system libraries and so on. One of the
purposes of the site directory is to allow the same Drill install to work with
multiple different configurations.
Part of that functionality is to locate the log directory in the site directory
so that each configuration can have its own file. This appears to not be
working, at least for DoY.
Install Drill 1.13. Set up Drill-on-YARN as described in
[USAGE.md|https://github.com/apache/drill/blob/master/drill-yarn/USAGE.md].
Before launching DoY, use the debug option to display the environment in which
the DoY client runs.
{noformat}
$DRILL_HOME/bin/drill-on-yarn.sh --site $DRILL_SITE debug
{noformat}
Observe the following:
{noformat}
DRILL_SITE=/Users/yourname/site
DRILL_LOG_PREFIX=/Users/yourname/apache-drill-1.13.0/log/drillbit
{noformat}
Expected:
{noformat}
DRILL_LOG_PREFIX=/Users/yourname/site/log
{noformat}
There exists a Drill-on-YARN unit test to verify this behavior. But, that test
has had problems due to Drill's use of common, global directories. We should
disable that feature (there is a separate JIRA for that) so we can run the
tests, which should have caught this bug. (If the tests don't catch this bug,
they should be extended so that they do.)
The result is that, under Drill 1.13, users cannot run multiple Drill servers
from a single install. This is not a huge issue for most users, but it does
block certain obscure use cases that we had intended to support.
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