Noemi Pap-Takacs has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/22014 )

Change subject: IMPALA-13154: Update metrics when loading an HDFS table
......................................................................


Patch Set 22:

(3 comments)

Looks nice, thanks!

http://gerrit.cloudera.org:8080/#/c/22014/22/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/22014/22/fe/src/main/java/org/apache/impala/catalog/HdfsTable.java@390
PS22, Line 390: add(FileDescriptor fd)
nit: this name and signature is a bit misleading, since we do not actually add 
the FD itself, just recalculate the stats.


http://gerrit.cloudera.org:8080/#/c/22014/22/fe/src/main/java/org/apache/impala/catalog/IcebergFileMetadataLoader.java
File fe/src/main/java/org/apache/impala/catalog/IcebergFileMetadataLoader.java:

http://gerrit.cloudera.org:8080/#/c/22014/22/fe/src/main/java/org/apache/impala/catalog/IcebergFileMetadataLoader.java@151
PS22, Line 151: fileMetadataStats_.add(fd);
              :         ++loadStats_.loadedFiles;
My suggestion earlier was to merge LoadStats and FileMetadataStats since they 
are both collected at the same time in (Iceberg)FileMetadataLoader and have 
some common fields. LoadStats have more details about blocks, storage ids, etc, 
which are only used for testing AFAIK but I don't know how relevant these stats 
are now.
I am fine with it as it is now, maybe it can be refactored later. What are your 
thoughts on this?


http://gerrit.cloudera.org:8080/#/c/22014/22/fe/src/main/java/org/apache/impala/catalog/IcebergFileMetadataLoader.java@201
PS22, Line 201: Preconditions.checkNotNull(fd)
nit: fd can't be null in this branch



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6e2eb503b0f61b1e6403058bc5dc78d721e7e940
Gerrit-Change-Number: 22014
Gerrit-PatchSet: 22
Gerrit-Owner: Xuebin Su <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Noemi Pap-Takacs <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Xuebin Su <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Fri, 20 Dec 2024 10:55:51 +0000
Gerrit-HasComments: Yes

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