Github user paul-rogers commented on a diff in the pull request:

    https://github.com/apache/drill/pull/868#discussion_r126829118
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/SystemOptionManager.java
 ---
    @@ -201,9 +240,35 @@
     
       public SystemOptionManager(LogicalPlanPersistence lpPersistence, final 
PersistentStoreProvider provider) {
         this.provider = provider;
    -    this.config =  
PersistentStoreConfig.newJacksonBuilder(lpPersistence.getMapper(), 
OptionValue.class)
    -        .name("sys.options")
    -        .build();
    +    this.config = 
PersistentStoreConfig.newJacksonBuilder(lpPersistence.getMapper(), 
OptionValue.class)
    --- End diff --
    
    A really handy trick to avoid code duplication is this:
    
    ```
    public SystemOptionManager(LogicalPlanPersistence lpPersistence, final 
PersistentStoreProvider provider) {
      this(lpPersistence, provider, null);
    }
    ```
    
    Then, the bulk of the constructor code appears only once: in the three-arg 
version.


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