> On Dec. 3, 2015, 5:40 p.m., Lenni Kuff wrote:
> > common/src/java/org/apache/hadoop/hive/conf/HiveConf.java, line 1849
> > <https://reviews.apache.org/r/40898/diff/2/?file=1152868#file1152868line1849>
> >
> >     Curious - does it make sense to only apply this to the "global" compile 
> > lock? Wouldn't this also be applicable for the session-level compile lock?

Yeah, makes sense. Changed it to apply to either case.


> On Dec. 3, 2015, 5:40 p.m., Lenni Kuff wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/Driver.java, line 139
> > <https://reviews.apache.org/r/40898/diff/2/?file=1152869#file1152869line139>
> >
> >     Is there a better way we can add in these test hook (create a mock 
> > driver or something)?

Mocking the driver to test concurrent requests is a bit tricky. Cleaned this up 
by adding a compile time hook instead as suggesed by Sergey.


> On Dec. 3, 2015, 5:40 p.m., Lenni Kuff wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/Driver.java, line 1265
> > <https://reviews.apache.org/r/40898/diff/2/?file=1152869#file1152869line1265>
> >
> >     Add a comment to this function to describe what it does and info about 
> > the return value.
> >     
> >     Maybe rename to "tryAcquireCompileLock"?

Fixed.


> On Dec. 3, 2015, 5:40 p.m., Lenni Kuff wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/Driver.java, line 1277
> > <https://reviews.apache.org/r/40898/diff/2/?file=1152869#file1152869line1277>
> >
> >     Should this be INFO level? It might be useful to log the query along 
> > with this message for debug purposes.

Done.


> On Dec. 3, 2015, 5:40 p.m., Lenni Kuff wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/Driver.java, line 1280
> > <https://reviews.apache.org/r/40898/diff/2/?file=1152869#file1152869line1280>
> >
> >     Can we include the query text here?

Done.


- Mohit


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On Dec. 3, 2015, 8:14 a.m., Mohit Sabharwal wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/40898/
> -----------------------------------------------------------
> 
> (Updated Dec. 3, 2015, 8:14 a.m.)
> 
> 
> Review request for hive.
> 
> 
> Bugs: HIVE-12431
>     https://issues.apache.org/jira/browse/HIVE-12431
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> HIVE-12431: Support timeout for global compile lock
> 
> When global (HS2-wide) compile lock is configured, a long-compiling request 
> will block remaining sessions indefinitely. 
> 
> This patch allows the user to configure the maximum time a request will wait
> to acquire the compile lock. Note that this configuration does not apply when
> session scoped compile locking is configured.
> 
> 
> Diffs
> -----
> 
>   common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 
> 7f9607129eb1f5f43e8a728cf7d2a56c1ed5af49 
>   ql/src/java/org/apache/hadoop/hive/ql/Driver.java 
> 62b608cbf53c371d1743df40988daf85f76a0867 
>   ql/src/java/org/apache/hadoop/hive/ql/ErrorMsg.java 
> 8a47605630066e39272f506c6e309b108b8455dd 
>   service/src/test/org/apache/hive/service/cli/CLIServiceTest.java 
> d90002bd16e46b5ce970d4c6c544a9c7605328d1 
> 
> Diff: https://reviews.apache.org/r/40898/diff/
> 
> 
> Testing
> -------
> 
> TestEmbeddedThriftBinaryCLIService#testGlobalCompileLockTimeout
> 
> 
> Thanks,
> 
> Mohit Sabharwal
> 
>

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