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Posted to issues@flink.apache.org by "Neelesh Srinivas Salian (JIRA)" <ji...@apache.org> on 2016/09/19 17:29:20 UTC
[jira] [Closed] (FLINK-1151) CollectionDataSource does not provide
statistics
[ https://issues.apache.org/jira/browse/FLINK-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neelesh Srinivas Salian closed FLINK-1151.
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Resolution: Information Provided
Can solve this by sampling the size of object by serializing them to a DataOutputView which just counts bytes instead of writing data somewhere.
> CollectionDataSource does not provide statistics
> ------------------------------------------------
>
> Key: FLINK-1151
> URL: https://issues.apache.org/jira/browse/FLINK-1151
> Project: Flink
> Issue Type: Improvement
> Components: Optimizer
> Affects Versions: 0.6.1-incubating, 0.7.0-incubating
> Reporter: Fabian Hueske
> Priority: Minor
>
> CollectionDataSources do not provide statistics for the optimizer although the data type and the number of elements are known.
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