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https://issues.apache.org/jira/browse/FLINK-7057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16130273#comment-16130273
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ASF GitHub Bot commented on FLINK-7057:
---------------------------------------

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

    https://github.com/apache/flink/pull/4238#discussion_r133685671
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java 
---
    @@ -148,7 +149,10 @@
        /** Service to contend for and retrieve the leadership of JM and RM */
        private final HighAvailabilityServices highAvailabilityServices;
     
    -   /** Blob cache manager used across jobs */
    +   /** Blob server used across jobs */
    +   private final BlobServer blobServer;
    --- End diff --
    
    Actually, I'd rather let the services involved in the life cycle of the 
BLOBs known what they are dealing with than adding empty `register/releaseJob` 
methods to the `BlobService`/`BlobServer`. Once we move the `BlobServer` out of 
the `JobMaster`, we can  change the class of the parameters and also remove the 
`register/releaseJob` calls.


> move BLOB ref-counting from LibraryCacheManager to BlobCache
> ------------------------------------------------------------
>
>                 Key: FLINK-7057
>                 URL: https://issues.apache.org/jira/browse/FLINK-7057
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Distributed Coordination, Network
>    Affects Versions: 1.4.0
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>
> Currently, the {{LibraryCacheManager}} is doing some ref-counting for JAR 
> files managed by it. Instead, we want the {{BlobCache}} to do that itself for 
> all job-related BLOBs. Also, we do not want to operate on a per-{{BlobKey}} 
> level but rather per job. Therefore, the cleanup process should be adapted, 
> too.



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