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https://issues.apache.org/jira/browse/FLINK-7068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188034#comment-16188034
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ASF GitHub Bot commented on FLINK-7068:
---------------------------------------

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

    https://github.com/apache/flink/pull/4358#discussion_r142133726
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java ---
    @@ -375,7 +378,32 @@ public File getFile(BlobKey key) throws IOException {
         *              Thrown if the file retrieval failed.
         */
        @Override
    -   public File getFile(JobID jobId, BlobKey key) throws IOException {
    +   public File getTransientFile(JobID jobId, BlobKey key) throws 
IOException {
    +           checkNotNull(jobId);
    --- End diff --
    
    Should we check that `key` equals actually the `BlobType.TRANSIENT`?


> change BlobService sub-classes for permanent and transient BLOBs
> ----------------------------------------------------------------
>
>                 Key: FLINK-7068
>                 URL: https://issues.apache.org/jira/browse/FLINK-7068
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Distributed Coordination, Network
>    Affects Versions: 1.4.0
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>
> A {{PermanentBlobStore}} should resemble use cases for BLOBs that are 
> permanently stored for a job's life time (HA and non-HA).
> A {{TransientBlobStore}} should reflect BLOB offloading for logs, RPC, etc. 
> which even does not have to be reflected by files.



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