[jira] [Commented] (FLINK-2924) Create database state backend

["Robert Metzger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009682#comment-15009682 ] 

Robert Metzger commented on FLINK-2924:
---------------------------------------

See PR: https://github.com/apache/flink/pull/1305

> Create database state backend
> -----------------------------
>
>                 Key: FLINK-2924
>                 URL: https://issues.apache.org/jira/browse/FLINK-2924
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>
> The goal is to create a database state backend that can be used with JDBC supporting databases.
> The backend should support the storage of non-partitioned states, and also the storage of Key-value states with high throughput. As databases provide advanced querying functionality the key-value state can be implemented to be lazily fetched and should scale to "arbitrary" state sizes by not storing the non-active key-values on heap.
> An adapter class will be provided that can help bridge the gap between different sql implementations.



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