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https://issues.apache.org/jira/browse/HDFS-17939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yue Wang updated HDFS-17939:
----------------------------
Description:
In {{{}StripedReader#initZeroStrip(){}}}, {{zeroStripeIndices}} is initialized
by scanning all internal blocks, including parity blocks.
The loop should only scan data block indices, which would make the
implementation match the meaning and allocated size of
{{{}zeroStripeIndices{}}}, and avoid suggesting that parity block indices may
be populated as zero stripe indices.
> StripedReader.initZeroStrip() should only scan data blocks when initializing
> zero stripe indices
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-17939
> URL: https://issues.apache.org/jira/browse/HDFS-17939
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Affects Versions: 3.4.3
> Reporter: Yue Wang
> Assignee: Yue Wang
> Priority: Major
>
> In {{{}StripedReader#initZeroStrip(){}}}, {{zeroStripeIndices}} is
> initialized by scanning all internal blocks, including parity blocks.
>
> The loop should only scan data block indices, which would make the
> implementation match the meaning and allocated size of
> {{{}zeroStripeIndices{}}}, and avoid suggesting that parity block indices may
> be populated as zero stripe indices.
>
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