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Posted to dev@hive.apache.org by "Zhenxiao Luo (JIRA)" <ji...@apache.org> on 2012/05/31 01:15:23 UTC
[jira] [Commented] (HIVE-2776) Setting test.silent=false has not
effect
[ https://issues.apache.org/jira/browse/HIVE-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286181#comment-13286181 ]
Zhenxiao Luo commented on HIVE-2776:
------------------------------------
test.silent is set to be true by default, and there is no -nolog parameter passed to the hadoop command that submitted as a MapReduce Job.
When setting test.silent to be false, -nolog parameter is passed to the hadoop command, and configured the MapReduce Job.
This -nolog will only make effect when the MapReduce Job is failing. While, in most testcases, the MapReduce job succeeded, but the optimizer/compiler is doing wrong, so the result is different from the expected output.
My proposed solution:
1. Remove this "try "ant test ... -Dtest.silent=false" to get more logs." from QTestUtil, since this message does not make sense in the test context.
Even if you set -Dtest.silent=false, you may get no detailed log(in most cases), since the MapReduce Job does not fail, the optimizer/compiler is doing things wrong.
2. Print these log info when a MapReduce Job is failing. while only happens in MapRedTask, should not be in MapRedLocalTask.
3. The property name is misleading, it seems like a test property, but actually, both MapRedTask and MapredLocalTask is using this property. We could either remove this property at all, and always print the log info when a MapReduce Job is failing as stated in #2, or choose another non-test related property name to determine the behavior of MapReduce Job failing logs.
> Setting test.silent=false has not effect
> ----------------------------------------
>
> Key: HIVE-2776
> URL: https://issues.apache.org/jira/browse/HIVE-2776
> Project: Hive
> Issue Type: Bug
> Components: Testing Infrastructure
> Reporter: Carl Steinbach
> Assignee: Zhenxiao Luo
>
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