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From "Aljoscha Krettek (Jira)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-3783) Support weighted random sampling with reservoir
Date Mon, 14 Oct 2019 11:25:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-3783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Aljoscha Krettek closed FLINK-3783.
    Resolution: Abandoned

I'm closing this as "Abandoned", since there is no more activity and the code base has moved
on quite a bit. Please re-open this if you feel otherwise and work should continue.

> Support weighted random sampling with reservoir
> -----------------------------------------------
>                 Key: FLINK-3783
>                 URL: https://issues.apache.org/jira/browse/FLINK-3783
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / DataSet
>            Reporter: GaoLun
>            Assignee: GaoLun
>            Priority: Minor
> In default random sampling, all items have the same probability to be selected. But in
weighted random sampling, the probability of each item to be selected is determined by its
weight with respect to the weights of the other items.

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