Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/22293 )

Change subject: IMPALA-13627: Handle legacy Hive timezone conversion
......................................................................


Patch Set 17: Code-Review+1

(1 comment)

http://gerrit.cloudera.org:8080/#/c/22293/11/be/src/benchmarks/convert-timestamp-benchmark.cc
File be/src/benchmarks/convert-timestamp-benchmark.cc:

http://gerrit.cloudera.org:8080/#/c/22293/11/be/src/benchmarks/convert-timestamp-benchmark.cc@115
PS11, Line 115: FromUnixTimeNanos:         Function  iters/ms   10%ile   50%ile 
  90%ile     10%ile     50%ile     90%ile
              :                                                                 
         (relative) (relative) (relative)
              : 
---------------------------------------------------------------------------------------------------------
              :                   (sec split (old))               36.8     37.5 
      39         1X         1X         1X
              :                   (sec split (new))                319      323 
     324      8.68X      8.61X      8.33X
              :
              : FromSubsecondUnixTime:     Function  iters/ms   10%ile   50%ile 
  90%ile     10%ile     50%ile     90%ile
              :                                                                 
         (relative) (relative) (relative)
              : 
---------------------------------------------------------------------------------------------------------
              :                               (old)               37.1       38 
    38.7         1X         1X         1X
              :                               (new)                175      175 
     177      4.71X       4.6X      4.59X
> I switched &TimezoneDatabase::GetUtcTimezone to UTCPTR and moved FromUnixTi
Very cool, thanks!



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I1271ed1da0b74366ab8315e7ec2d4ee47111e067
Gerrit-Change-Number: 22293
Gerrit-PatchSet: 17
Gerrit-Owner: Michael Smith <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Comment-Date: Wed, 12 Feb 2025 19:06:34 +0000
Gerrit-HasComments: Yes

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