> On April 3, 2020, 9:59 a.m., Peter Vary wrote:
> > standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSBenchmarks.java
> > Lines 430 (patched)
> > <https://reviews.apache.org/r/72112/diff/1/?file=2210962#file2210962line445>
> >
> >     Do we need this? Shouldn't the lock be unlocked by commitTnx?

you're right


- Zoltan


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On April 2, 2020, 2:13 p.m., Zoltan Chovan wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/72112/
> -----------------------------------------------------------
> 
> (Updated April 2, 2020, 2:13 p.m.)
> 
> 
> Review request for hive, Denys Kuzmenko, Aron Hamvas, Marton Bod, and Peter 
> Vary.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Add the possibility to run benchmarks on opening lock in the HMS. Currently 
> this change only introduces single-threaded/single client testing. I'm 
> planning to add multi-client support in a separate change.
> 
> Example parametrisation is as follows:
> hbench -M "lock" -N 10 -d hive_test -W 0 -L 100
> hbench -M ".*Lock.*" -N 10 -d hive_test -W 0 -L 100 -T 8 --params 100
> 
> This will create N number (10) of tables to lock and it'll execute the lock() 
> for L number (100) of times on T (8) threads where each thread will strart an 
> HMS client
> 
> 
> Diffs
> -----
> 
>   
> standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/BenchmarkTool.java
>  041cd76234 
>   
> standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSBenchmarks.java
>  f53f2ef43b 
>   
> standalone-metastore/metastore-tools/tools-common/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSClient.java
>  7cc1e42a8b 
>   
> standalone-metastore/metastore-tools/tools-common/src/main/java/org/apache/hadoop/hive/metastore/tools/Util.java
>  101d6759c5 
> 
> 
> Diff: https://reviews.apache.org/r/72112/diff/1/
> 
> 
> Testing
> -------
> 
> 
> File Attachments
> ----------------
> 
> HIVE-22869.2.patch
>   
> https://reviews.apache.org/media/uploaded/files/2020/04/02/5e35e835-f383-495f-9964-e66773fd6a90__HIVE-22869.2.patch
> 
> 
> Thanks,
> 
> Zoltan Chovan
> 
>

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