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https://issues.apache.org/jira/browse/PARQUET-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17774287#comment-17774287
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ASF GitHub Bot commented on PARQUET-2357:
-----------------------------------------

wgtmac commented on PR #1160:
URL: https://github.com/apache/parquet-mr/pull/1160#issuecomment-1758766554

   > Hi, @Fokko
   > 
   > There is a test case failure, same one in another pull request(#1164). I 
think it may pass if re-run. However, I don't have the permission to trigger 
the run. I tried pushing again, but it didn't trigger a re-run. Could you 
please take a look? Thank you very much.
   > 
   > ```java
   > 2023-10-02T11:22:48.6797210Z [INFO] Results:
   > 2023-10-02T11:22:48.6894266Z [INFO] 
   > 2023-10-02T11:22:48.6895143Z [ERROR] Failures: 
   > 2023-10-02T11:22:48.6895878Z [ERROR]   
TestParquetWriter.testParquetFileWithBloomFilterWithFpp:342
   > 2023-10-02T11:22:48.6896575Z [INFO] 
   > 2023-10-02T11:22:48.6897791Z [ERROR] Tests run: 404, Failures: 1, Errors: 
0, Skipped: 1
   > ```
   
   This test case unfortunately employs a random number for generating bloom 
filter.




> Modest refactor of CapacityByteArrayOutputStream
> ------------------------------------------------
>
>                 Key: PARQUET-2357
>                 URL: https://issues.apache.org/jira/browse/PARQUET-2357
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-mr
>            Reporter: Feng Jiajie
>            Priority: Minor
>             Fix For: 1.14.0
>
>
> Optimization for the CapacityByteArrayOutputStream class:
>  # The functionality of {{currentSlabIndex}} is the same as 
> {{{}currentSlab.position(){}}}, so there is no need to maintain the 
> {{currentSlabIndex}} variable.
>  # When writing an array of length equal to the remaining capacity of the 
> buffer, there is no need to expand to a new buffer.
>  # If the {{addSlab}} operation has already implemented safeguards using 
> {{Math.addExact}} to prevent overflow of {{bytesAllocated}} and 
> {{{}bytesUsed{}}}, it is unnecessary to perform additional checks during the 
> {{write}} operation.



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