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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2021/01/19 17:13:03 UTC
[jira] [Updated] (BEAM-11005) Can't use side inputs with
Combine.PerKeyWithHotKeyFanout
[ https://issues.apache.org/jira/browse/BEAM-11005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Beam JIRA Bot updated BEAM-11005:
---------------------------------
Labels: Clarified stale-P2 (was: Clarified)
> Can't use side inputs with Combine.PerKeyWithHotKeyFanout
> ---------------------------------------------------------
>
> Key: BEAM-11005
> URL: https://issues.apache.org/jira/browse/BEAM-11005
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Mia Gil Epner
> Priority: P2
> Labels: Clarified, stale-P2
>
> PerKeyWithHotKeyFanout doesn't allow a user to specify a side input and access it in the CombineFn. When the function `withHotKeyFanout` is called, any sideinputs stored in the Combine.PerKey are dropped. ([https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Combine.java#L1571]):
> {code:java}
> public PerKeyWithHotKeyFanout<K, InputT, OutputT> withHotKeyFanout(
> SerializableFunction<? super K, Integer> hotKeyFanout) {
> return new PerKeyWithHotKeyFanout<>(fn, fnDisplayData, hotKeyFanout);
> }
> {code}
> We would like to be able to use side inputs and hot key fanout.
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