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https://issues.apache.org/jira/browse/ORC-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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William Hyun closed ORC-1365.
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> [C++] Use BlockBuffer to replace DataBuffer of rawInputBuffer in the
> CompressionStream
> --------------------------------------------------------------------------------------
>
> Key: ORC-1365
> URL: https://issues.apache.org/jira/browse/ORC-1365
> Project: ORC
> Issue Type: Improvement
> Components: C++
> Reporter: Gang Wu
> Assignee: Hao Zou
> Priority: Major
> Fix For: 2.1.0
>
>
> Discussion from Github issue: [https://github.com/apache/orc/issues/1240]
> In short, *CompressionStream* has fixed its input buffer to compression block
> size (which is 1M by default). Check here for reference:
> https://github.com/apache/orc/blob/main/c%2B%2B/src/Compression.cc#L108 .
> The piece of code can be improved by replacing its type from DataBuffer by
> BlockBuffer. In this way, it is able to start with a small initial size and
> automatically grow as needed.
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