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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6940) Clarify the effect of configuring per-job state backend
Date Wed, 21 Jun 2017 12:04:01 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16057374#comment-16057374
] 

ASF GitHub Bot commented on FLINK-6940:
---------------------------------------

Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4136#discussion_r123228173
  
    --- Diff: docs/ops/state_backends.md ---
    @@ -124,7 +124,7 @@ RocksDBStateBackend is currently the only backend that offers incremental
checkp
     ## Configuring a State Backend
     
     State backends can be configured per job. In addition, you can define a default state
backend to be used when the
    -job does not explicitly define a state backend.
    +job does not explicitly define a state backend. Besides, state backend configured per-job
will overwrite the default state backend configured in `flink-conf.yaml`
    --- End diff --
    
    Would it be enough to reword the existing docs to:
    
    "
    State backends can be configured per job. In addition, you can define a default state
backend **in `flink-conf.yaml`** to be used when the job does not explicitly define a state
backend.
    "


> Clarify the effect of configuring per-job state backend 
> --------------------------------------------------------
>
>                 Key: FLINK-6940
>                 URL: https://issues.apache.org/jira/browse/FLINK-6940
>             Project: Flink
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 1.3.0
>            Reporter: Bowen Li
>            Assignee: Bowen Li
>            Priority: Minor
>             Fix For: 1.4.0
>
>
> The documentation of having different options configuring flink state backend is confusing.
We should add explicit doc explaining configuring a per-job flink state backend in code will
overwrite any default state backend configured in flink-conf.yaml



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