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standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
Lines 2411-2416 (original)
<https://reviews.apache.org/r/67351/#comment286661>

    Why do we need to remove these lines?



standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
Line 2422 (original)
<https://reviews.apache.org/r/67351/#comment286662>

    Why do we need to remove this line?



standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
Lines 2426 (patched)
<https://reviews.apache.org/r/67351/#comment286663>

    Adding a javadoc would be great. esp. mentioning that the advantage of 
using this method and when its better to use it.


- Vihang Karajgaonkar


On May 29, 2018, 10:53 a.m., Peter Vary wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67351/
> -----------------------------------------------------------
> 
> (Updated May 29, 2018, 10:53 a.m.)
> 
> 
> Review request for hive, Alexander Kolbasov and Vihang Karajgaonkar.
> 
> 
> Bugs: HIVE-19718
>     https://issues.apache.org/jira/browse/HIVE-19718
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Various optimization for addPartitions call:
> - Push down table object to convertToMPart
> - Push down partitionKeys to startAddPartition -> doesPartitionExist -> 
> getMPartition, so it does not have to query the table object for every time 
> if we add multiple partitions for the same table
> - The original getMPartition used to query the table every time. Created a 
> new version of getMPartition, which can use the provided partitionKeys 
> instead of querying it again.
> 
> 
> Diffs
> -----
> 
>   
> itests/hcatalog-unit/src/test/java/org/apache/hive/hcatalog/listener/DummyRawStoreFailEvent.java
>  3d6fda6 
>   
> standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
>  c1d25db 
>   
> standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
>  13ccdb1 
>   
> standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/RawStore.java
>  ce7d286 
>   
> standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/cache/CachedStore.java
>  b223920 
>   
> standalone-metastore/src/test/java/org/apache/hadoop/hive/metastore/DummyRawStoreControlledCommit.java
>  f6899be 
>   
> standalone-metastore/src/test/java/org/apache/hadoop/hive/metastore/DummyRawStoreForJdoConnection.java
>  98a85cc 
> 
> 
> Diff: https://reviews.apache.org/r/67351/diff/1/
> 
> 
> Testing
> -------
> 
> Run several performance tests with Sasha's performance tool. These 
> optimisations shave of ~10% of the runtime
> 
> 
> Thanks,
> 
> Peter Vary
> 
>

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