Arnab Karmakar has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23906 )

Change subject: IMPALA-13122: Add detailed file metadata statistics to table 
loading logs
......................................................................


Patch Set 9:

(7 comments)

authorization/test_ranger.py::TestRangerIndependent::test_allow_metadata_update_local_catalog
 failed which I dont think is related to the changes.

http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FeFsTable.java
File fe/src/main/java/org/apache/impala/catalog/FeFsTable.java:

http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FeFsTable.java@252
PS7, Line 252: LogString(String
> nit: import java.time.ZoneId
Done


http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FeFsTable.java@256
PS7, Line 256: ngBuilder statsLog = new StringBuilder()
> Let's skip this for non-partitioned tables. It's confusing to see logs like
Done


http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FeFsTable.java@257
PS7, Line 257: metadata for ").append(tableName);
> nit: this class is already imported on L49 so we can use the class name dir
Done


http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FeFsTable.java@275
PS7, Line 275: axFileBytes));
> nit: import java.time.Instant to use Instant directly.
Done


http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FileMetadataLoader.java
File fe/src/main/java/org/apache/impala/catalog/FileMetadataLoader.java:

http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/main/java/org/apache/impala/catalog/FileMetadataLoader.java@242
PS7, Line 242:
> I think we can declare minAccessTime_ and maxAccessTime_ as local variables
Done


http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/test/java/org/apache/impala/catalog/FileMetadataLoaderTest.java
File fe/src/test/java/org/apache/impala/catalog/FileMetadataLoaderTest.java:

http://gerrit.cloudera.org:8080/#/c/23906/7/fe/src/test/java/org/apache/impala/catalog/FileMetadataLoaderTest.java@134
PS7, Line 134: rtTrue(stats.getNumUniqueHosts() <= stats
> Why do we need this OR statement? Is there are case that number of hosts > 
No, hosts are derived from the host:disk pairs. Done


http://gerrit.cloudera.org:8080/#/c/23906/7/tests/custom_cluster/test_file_metadata_stats.py
File tests/custom_cluster/test_file_metadata_stats.py:

http://gerrit.cloudera.org:8080/#/c/23906/7/tests/custom_cluster/test_file_metadata_stats.py@29
PS7, Line 29: catalog
> nit: "catalogd", we usually use the term "catalog" to mean all the metadata
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6f4592f173c047e5064058402f83be6d1f5c9a79
Gerrit-Change-Number: 23906
Gerrit-PatchSet: 9
Gerrit-Owner: Arnab Karmakar <[email protected]>
Gerrit-Reviewer: Arnab Karmakar <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Jason Fehr <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Pranav Lodha <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Sat, 28 Feb 2026 02:40:22 +0000
Gerrit-HasComments: Yes

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