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https://issues.apache.org/jira/browse/SAMZA-1691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinyu Liu resolved SAMZA-1691.
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Resolution: Fixed
> Support get iterable from KeyValueStore
> ---------------------------------------
>
> Key: SAMZA-1691
> URL: https://issues.apache.org/jira/browse/SAMZA-1691
> Project: Samza
> Issue Type: Bug
> Reporter: Xinyu Liu
> Assignee: Xinyu Liu
> Priority: Major
> Fix For: 0.14.1
>
>
> Right now for KeyValueStore we have a range query to return an iterator. For
> usage in BEAM, we need a iterable which can create an iterator when needed.
> Add the iterate() function in KeyValueStore to support it. It's implemented
> as follows:
> 1) for rocksDb, it will create the iterator when it's called, which will has
> a snapshot of the elements. Then every time when the iterator is needed, we
> will seek the iterator from beginning;
> 2) for inMemoryDb, it will create the snapshot submap when iterate() is
> called. The submap is an iterable and it can return a new iterator when
> needed.
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