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https://issues.apache.org/jira/browse/ARROW-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-7491:
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Labels: pull-request-available (was: )
> [Java] Improve the performance of aligning
> ------------------------------------------
>
> Key: ARROW-7491
> URL: https://issues.apache.org/jira/browse/ARROW-7491
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Minor
> Labels: pull-request-available
>
> Aligning is an important and frequent operation when writing IPC data. It
> writes no more than 7 0 bytes to the output.
> The current implementation creates a new byte array each time, leading to
> performance overhead, and increases the GC pressure.
> We improve it by means of a shared byte array. Benchmark evaluation shows a
> 10% performance gain.
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