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https://issues.apache.org/jira/browse/HADOOP-19012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18028249#comment-18028249
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ASF GitHub Bot commented on HADOOP-19012:
-----------------------------------------
slfan1989 commented on PR #8011:
URL: https://github.com/apache/hadoop/pull/8011#issuecomment-3379381366
@szetszwo I’ve successfully built the code from the trunk branch locally. We
can proceed with this PR now.
```
[INFO]
[INFO] Apache Hadoop Main ................................. SUCCESS [ 0.310
s]
[INFO] Apache Hadoop Build Tools .......................... SUCCESS [ 1.223
s]
[INFO] Apache Hadoop Project POM .......................... SUCCESS [ 0.568
s]
[INFO] Apache Hadoop Annotations .......................... SUCCESS [ 0.736
s]
[INFO] Apache Hadoop Project Dist POM ..................... SUCCESS [ 0.068
s]
.......
[INFO] Apache Hadoop Client Packaging Invariants for Test . SUCCESS [ 0.053
s]
[INFO] Apache Hadoop Client Packaging Integration Tests ... SUCCESS [ 0.041
s]
[INFO] Apache Hadoop Distribution ......................... SUCCESS [ 0.389
s]
[INFO] Apache Hadoop Client Modules ....................... SUCCESS [ 0.019
s]
[INFO] Apache Hadoop Tencent COS Support .................. SUCCESS [ 8.692
s]
[INFO] Apache Hadoop OBS support .......................... SUCCESS [ 5.134
s]
[INFO] Apache Hadoop Volcano Engine Services support ...... SUCCESS [ 7.780
s]
[INFO] Apache Hadoop Cloud Storage ........................ SUCCESS [ 1.180
s]
[INFO] Apache Hadoop Cloud Storage Project ................ SUCCESS [ 0.019
s]
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 10:02 min
[INFO] Finished at: 2025-10-08T10:54:21+08:00
[INFO]
------------------------------------------------------------------------
```
> Use CRC tables to speed up galoisFieldMultiply in CrcUtil
> ---------------------------------------------------------
>
> Key: HADOOP-19012
> URL: https://issues.apache.org/jira/browse/HADOOP-19012
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
>
> CrcUtil.galoisFieldMultiply(p, q, m) supports multiplying two polynomials p,
> q modulo any modulus polynomial m over GF(2). Since the method is used for
> CRC calculations, the modulus polynomial m is restricted to either the
> GZIP_POLYNOMIAL or the CASTAGNOLI_POLYNOMIAL. We may use CRC tables in
> PureJavaCrc32/PureJavaCrc32C to speed up the computation.
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