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

    https://github.com/apache/drill/pull/756#discussion_r102805888
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/profile/FragmentWrapper.java
 ---
    @@ -136,25 +215,25 @@ public String getContent() {
             biggestBatches = Math.max(biggestBatches, batches);
           }
     
    -      builder.appendCell(new 
OperatorPathBuilder().setMajor(major).setMinor(minor).build(), null);
    -      builder.appendCell(minor.getEndpoint().getAddress(), null);
    -      builder.appendMillis(minor.getStartTime() - start, null);
    -      builder.appendMillis(minor.getEndTime() - start, null);
    -      builder.appendMillis(minor.getEndTime() - minor.getStartTime(), 
null);
    +      builder.appendCell(new 
OperatorPathBuilder().setMajor(major).setMinor(minor).build(), null, null);
    +      builder.appendCell(minor.getEndpoint().getAddress(), null, null);
    +      builder.appendMillis(minor.getStartTime() - start, null, null);
    +      builder.appendMillis(minor.getEndTime() - start, null, null);
    +      builder.appendMillis(minor.getEndTime() - minor.getStartTime(), 
null, null);
     
    -      builder.appendFormattedInteger(biggestIncomingRecords, null);
    -      builder.appendFormattedInteger(biggestBatches, null);
    +      builder.appendFormattedInteger(biggestIncomingRecords, null, null);
    +      builder.appendFormattedInteger(biggestBatches, null, null);
     
    -      builder.appendTime(minor.getLastUpdate(), null);
    -      builder.appendTime(minor.getLastProgress(), null);
    +      builder.appendTime(minor.getLastUpdate(), null, null);
    +      builder.appendTime(minor.getLastProgress(), null, null);
     
    -      builder.appendBytes(minor.getMaxMemoryUsed(), null);
    -      builder.appendCell(minor.getState().name(), null);
    +      builder.appendBytes(minor.getMaxMemoryUsed(), null, null);
    +      builder.appendCell(minor.getState().name(), null, null);
    --- End diff --
    
    All these extra ", null" parameters (for tool tip) are a clutter. The clean 
way to do this is:
    
    ```
    void appendTime(long ts) {
        appendTime(ts, null, null);
    }
    void appendTime(long ts, String link) {
        appendTime(ts, link, null)
    }
    void appendTime(long ts, String link, String toolTip) {
       ... // Do stuff here
    }
    ```
    
    And so on.
    
    Then, the above lines are just:
    
    ```
    builder.appendBytes(minor.getMaxMemoryUsed())
    ```


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