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https://issues.apache.org/jira/browse/HDDS-16392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-16392.
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Fix Version/s: 2.3.0
Resolution: Fixed
> parse Proto2Codec values from the CodecBuffer instead of through an
> InputStream
> -------------------------------------------------------------------------------
>
> Key: HDDS-16392
> URL: https://issues.apache.org/jira/browse/HDDS-16392
> Project: Apache Ozone
> Issue Type: Improvement
> Components: OM
> Affects Versions: 2.3.0
> Reporter: Sergey Soldatov
> Assignee: Sergey Soldatov
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.3.0
>
>
> Proto2Codec.fromCodecBuffer parsed the value through a ByteBufInputStream.
> protobuf's CodedInputStream.newInstance(InputStream) allocates a 4 KB
> decoding buffer per call, while the table values it decodes (OmKeyInfo,
> OmDirectoryInfo, OmBucketInfo, ...) are typically a few hundred bytes. So
> every key an OM listing or lookup parsed produced 4 KB of garbage on top of
> the value itself.
> We might parse the buffer directly.
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