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https://issues.apache.org/jira/browse/STORM-2258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun Mahadevan resolved STORM-2258.
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Resolution: Fixed
Assignee: Kamal
Fix Version/s: 2.0.0
Thanks for the patch, merged to master.
> Streams api - support CoGroupByKey
> ----------------------------------
>
> Key: STORM-2258
> URL: https://issues.apache.org/jira/browse/STORM-2258
> Project: Apache Storm
> Issue Type: Sub-task
> Reporter: Arun Mahadevan
> Assignee: Kamal
> Fix For: 2.0.0
>
>
> Group together values with same key from both streams. Similar constructs are
> supported in beam, spark and flink.
> When called on a Stream of (K, V) and (K, W) pairs, return a new Stream of
> (K, Seq[V], Seq[W]) tuples
> See also - https://cloud.google.com/dataflow/model/group-by-key
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