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From "Sergio Pena" <sergio.p...@cloudera.com>
Subject Re: Review Request 28964: HIVE-8121 Create micro-benchmarks for ParquetSerde and evaluate performance
Date Thu, 15 Jan 2015 20:06:41 GMT


> On Ene. 15, 2015, 7:47 a.m., Dong Chen wrote:
> > itests/hive-jmh/src/main/java/org/apache/hive/benchmark/storage/ColumnarStorageBench.java,
line 355
> > <https://reviews.apache.org/r/28964/diff/4/?file=822007#file822007line355>
> >
> >     OrcRecordWriter load its internal writer lazily, which means writing the first
record is different with writing following records.
> >     
> >     Should we consider this when defining and evaluating benchmark?

Thanks for the tip.
The write test now calls the write() method with many rows intead.


- Sergio


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https://reviews.apache.org/r/28964/#review68215
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On Ene. 14, 2015, 11:48 p.m., Sergio Pena wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/28964/
> -----------------------------------------------------------
> 
> (Updated Ene. 14, 2015, 11:48 p.m.)
> 
> 
> Review request for hive, Brock Noland and cheng xu.
> 
> 
> Bugs: HIVE-8121
>     https://issues.apache.org/jira/browse/HIVE-8121
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> This is a new tool used to test ORC & PARQUET file format performance.
> 
> 
> Diffs
> -----
> 
>   itests/hive-jmh/pom.xml PRE-CREATION 
>   itests/hive-jmh/src/main/java/org/apache/hive/benchmark/storage/ColumnarStorageBench.java
PRE-CREATION 
>   itests/pom.xml 40e7b9b8114d693f352f28ad94e6abcf96d1372a 
> 
> Diff: https://reviews.apache.org/r/28964/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Sergio Pena
> 
>


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