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https://issues.apache.org/jira/browse/FLINK-8845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sihua Zhou updated FLINK-8845:
------------------------------
    Summary: Use WriteBatch to improve performance for recovery in RocksDB 
backend  (was:  Introduce `parallel recovery` mode for full checkpoint 
(savepoint))

> Use WriteBatch to improve performance for recovery in RocksDB backend
> ---------------------------------------------------------------------
>
>                 Key: FLINK-8845
>                 URL: https://issues.apache.org/jira/browse/FLINK-8845
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Assignee: Sihua Zhou
>            Priority: Major
>             Fix For: 1.6.0
>
>
> Base on {{ingestExternalFile()}} and {{SstFileWriter}} provided by RocksDB, 
> we can restore from fully checkpoint (savepoint) in parallel. This can also 
> be extended to incremental checkpoint easily, but for the sake of simple, we 
> do this in two separate tasks.



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