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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3389) Add Pre-defined Options settings for RocksDB State backend
Date Tue, 08 Nov 2016 17:25:59 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15648183#comment-15648183
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Aljoscha Krettek commented on FLINK-3389:
-----------------------------------------

>From a quick look at the code it seems you documented it in Javadocs (including the class
level Javadoc).

I think it's fine to only have in depth descriptions of the configuration methods of state
backends in the code. This way, the documentation won't go out of sync with the code. (The
configuration points of the other state backends are also not described in the documentation.)


> Add Pre-defined Options settings for RocksDB State backend
> ----------------------------------------------------------
>
>                 Key: FLINK-3389
>                 URL: https://issues.apache.org/jira/browse/FLINK-3389
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.0.0
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 1.0.0
>
>
> The RocksDB State Backend performance can be optimized for certain settings (for example
running on disk or SSD) with certain options.
> Since it is hard to tune for users, we should add a set of predefined options for certain
settings.



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