> On Nov. 5, 2014, 9:20 p.m., Prasanth_J wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsSetupConstants.java,
> >  line 38
> > <https://reviews.apache.org/r/27599/diff/1/?file=749770#file749770line38>
> >
> >     Why is this limit required? The clients (StatsTask, FSOp) makes sure 
> > the stats key prefix is less than maxPrefixLength (defaults to 150). If it 
> > exceeds the prefix is MD5'ed to 17bytes. So the stats key prefix should 
> > never exceed 255 varchar default.

As the callstack shows it's not sufficient... I will change the handling to be 
similar, replacing w/the hashcode


> On Nov. 5, 2014, 9:20 p.m., Prasanth_J wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsUtils.java, line 
> > 196
> > <https://reviews.apache.org/r/27599/diff/1/?file=749771#file749771line196>
> >
> >     Isn't it clients responsibility to do all these stuff?

I don't think so... the storage limitation is specific to the storage engine. 
Client doesn't care about that... I think that setting should not even exist


- Sergey


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On Nov. 4, 2014, 11:56 p.m., Sergey Shelukhin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/27599/
> -----------------------------------------------------------
> 
> (Updated Nov. 4, 2014, 11:56 p.m.)
> 
> 
> Review request for hive.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> see jira
> 
> 
> Diffs
> -----
> 
>   ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsAggregator.java 
> b074ca9 
>   ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsPublisher.java 
> 5e317ab 
>   
> ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsSetupConstants.java 
> 70badf2 
>   ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsUtils.java 
> 4625d27 
> 
> Diff: https://reviews.apache.org/r/27599/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Sergey Shelukhin
> 
>

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