Zoltan Borok-Nagy has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21927 )

Change subject: IMPALA-13445: Ignore num partition for unpartitioned writes
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Patch Set 7: Code-Review+2

(1 comment)

Thanks for fixing this, LGTM!

http://gerrit.cloudera.org:8080/#/c/21927/6/fe/src/main/java/org/apache/impala/planner/HdfsTableSink.java
File fe/src/main/java/org/apache/impala/planner/HdfsTableSink.java:

http://gerrit.cloudera.org:8080/#/c/21927/6/fe/src/main/java/org/apache/impala/planner/HdfsTableSink.java@457
PS6, Line 457: maxWriters = totalNumPartitions
> I'm not sure. totalNumPartitions most likely has been over estimated becaus
I see, however in a lot of cases there's only a single partition column. Since 
maxNumWriters limit the number of writers anyway, and with hash-based shuffling 
we wouldn't write too many files, we could probably allow more writers. But 
this can be a follow-up discussion.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I51ab8fc35a5489351a88d372b28642b35449acfc
Gerrit-Change-Number: 21927
Gerrit-PatchSet: 7
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: David Rorke <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Wenzhe Zhou <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Fri, 18 Oct 2024 20:10:21 +0000
Gerrit-HasComments: Yes

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