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From paul-rogers <...@git.apache.org>
Subject [GitHub] drill pull request #482: DRILL-4604: Generate warning on Web UI if drillbits...
Date Fri, 04 Nov 2016 15:51:02 GMT
Github user paul-rogers commented on a diff in the pull request:

    https://github.com/apache/drill/pull/482#discussion_r86566500
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/server/Drillbit.java ---
    @@ -207,6 +210,21 @@ private void javaPropertiesToSystemOptions() {
       }
     
       /**
    +   * If cluster version is the same as default, update option to current drillbit version.
    +   */
    +  private void checkAndUpdateClusterVersionOption(OptionManager optionManager, DrillbitEndpoint
drillbitEndpoint) {
    +    OptionValue versionOption = optionManager.getOption(ExecConstants.CLUSTER_VERSION);
    +    OptionValidator validator = SystemOptionManager.getValidator(ExecConstants.CLUSTER_VERSION);
    +    if (versionOption.equals(validator.getDefault())) {
    +      optionManager.setOption(OptionValue.createOption(
    --- End diff --
    
    I'm not convinced that having the admin specify the cluster option is the right approach.
The proper approach is for each Drillbit to detect that its own version conflicts with one
or more of the others. But, for this to work, Drillbits have to advertise their version. Do
we have that ability?


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