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Posted to issues@orc.apache.org by "Pavan Lanka (Jira)" <ji...@apache.org> on 2021/03/12 01:42:00 UTC
[jira] [Assigned] (ORC-758) Avoid decompressing compressed streams
if already decompressed
[ https://issues.apache.org/jira/browse/ORC-758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavan Lanka reassigned ORC-758:
-------------------------------
> Avoid decompressing compressed streams if already decompressed
> --------------------------------------------------------------
>
> Key: ORC-758
> URL: https://issues.apache.org/jira/browse/ORC-758
> Project: ORC
> Issue Type: Sub-task
> Components: Java
> Affects Versions: 1.7.0
> Reporter: Pavan Lanka
> Assignee: Pavan Lanka
> Priority: Minor
>
> The current behavior of `InStream.CompressedStream` does not avoid seek and decompression if the required position is already decompressed and available.
> This results in multiple decompressions of the same compression blocks. This can be avoided by tracking the current position and avoid decompression if we are at the required position already.
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