[jira] [Closed] (FLINK-6773) Use compression (e.g. snappy) for full check/savepoints

["Stefan Richter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Richter closed FLINK-6773.
---------------------------------
    Resolution: Implemented

Merged in 5171513a3c. Documentation in 41806ba681.

> Use compression (e.g. snappy) for full check/savepoints
> -------------------------------------------------------
>
>                 Key: FLINK-6773
>                 URL: https://issues.apache.org/jira/browse/FLINK-6773
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>
> We could use compression (e.g. snappy stream compression) to decrease the size of our full checkpoints and savepoints. From some initial experiments, I think there is great potential to achieve compression rates around 30-50%. Given those numbers, I think this is very low hanging fruit to implement.
> One point to consider in the implementation is that compression blocks should respect key-groups, i.e. typically it should make sense to compress per key-group.



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