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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2016/03/08 12:07:40 UTC
[jira] [Closed] (FLINK-3321) TupleSerializerBase.getLength should
know the length when all fields know it
[ https://issues.apache.org/jira/browse/FLINK-3321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chesnay Schepler closed FLINK-3321.
-----------------------------------
Resolution: Fixed
Implemented in 945fc023acc724cceeac500cca05fa446f88adec
> TupleSerializerBase.getLength should know the length when all fields know it
> ----------------------------------------------------------------------------
>
> Key: FLINK-3321
> URL: https://issues.apache.org/jira/browse/FLINK-3321
> Project: Flink
> Issue Type: Improvement
> Components: Java API
> Reporter: Gabor Gevay
> Assignee: Chesnay Schepler
> Priority: Minor
> Labels: starter
>
> TupleSerializerBase.getLength currently always returns -1, but it could actually know the length, when all the field serializers know their lengths (since no null can appear anywhere in Tuples, nor can a subclass of Tuple with additional fields appear).
> (The serializer knowing the exact size has various performance benefits, for example see FixedLengthRecordSorter, or CompactingHashTable.getInitialTableSize.)
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