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Posted to commits@samza.apache.org by "Mohamed Mahmoud (El-Geish) (JIRA)" <ji...@apache.org> on 2015/05/02 12:14:07 UTC
[jira] [Updated] (SAMZA-647) A new KeyValueStore interface should
support getAll(List)
[ https://issues.apache.org/jira/browse/SAMZA-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mohamed Mahmoud (El-Geish) updated SAMZA-647:
---------------------------------------------
Attachment: (was: BatchingKeyValueStore.diff)
> A new KeyValueStore interface should support getAll(List<K>)
> ------------------------------------------------------------
>
> Key: SAMZA-647
> URL: https://issues.apache.org/jira/browse/SAMZA-647
> Project: Samza
> Issue Type: Improvement
> Components: kv
> Affects Versions: 0.9.0
> Reporter: Mohamed Mahmoud (El-Geish)
> Assignee: Mohamed Mahmoud (El-Geish)
> Labels: features
> Fix For: 0.10.0
>
> Attachments: build-1.err_pid49877.log, build.log
>
>
> For stores that support multiGet, like RocksDB, this can improve performance when batch querying; this could be simply implemented as a pass-through call to the underlying storage engine.
> For stores that don't support multiGet, we can simply return an iterator for the corresponding values by looping over keys and calling get() for each one.
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