Todd Lipcon has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/11227 )

Change subject: IMPALA-7047. Refreshing partitions should not make an RPC per 
file
......................................................................


Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/11227/1/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
File fe/src/main/java/org/apache/impala/catalog/HdfsTable.java:

http://gerrit.cloudera.org:8080/#/c/11227/1/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java@1264
PS1, Line 1264: resetPartitions();
              :     org.apache.hadoop.hive.metastore.api.Table msTbl = 
getMetaStoreTable();
              :     Preconditions.checkNotNull(msTbl);
              :     setPrototypePartition(msTbl.getSd());
              :     HdfsPartition part = createPartition(msTbl.getSd(), null, 
new FsPermissionCache());
> Do we need all this resetting and creating stuff for incremental updates? C
I actually think it's better to add the new partition, since it will assign a 
new partition ID, which will help down the road with caching (if we can get to 
the point of HdfsPartition being immutable that would be ideal)



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2051b96599206164aaa06ecbdf64374c46eda956
Gerrit-Change-Number: 11227
Gerrit-PatchSet: 1
Gerrit-Owner: Todd Lipcon <[email protected]>
Gerrit-Reviewer: Bharath Vissapragada <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>
Gerrit-Reviewer: Vuk Ercegovac <[email protected]>
Gerrit-Comment-Date: Thu, 16 Aug 2018 22:54:19 +0000
Gerrit-HasComments: Yes

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