Github user arina-ielchiieva commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1203#discussion_r181033526
  
    --- Diff: exec/java-exec/src/main/resources/rest/index.ftl ---
    @@ -52,12 +52,18 @@
               <thead>
                 <tr>
                   <th>#</th>
    -              <th>Address</th>
    +              <th title="Drillbits in Cluster" style="cursor: 
help;">Address <span class="glyphicon glyphicon-info-sign" 
style="font-size:100%"/></th>
    +              <th title="Heap Memory in use (as percent of Total Heap)" 
style="cursor: help;">Heap Memory Usage <span class="glyphicon 
glyphicon-info-sign" style="font-size:100%"/></th>
    +              <th title="Direct Memory ACTIVELY in use (as percent of Peak 
Usage so far).&#013;The percentage is an estimate of the total because the 
Netty library directly negotiates with the OS for memory" style="cursor: 
help;">Direct Memory Usage <span class="glyphicon glyphicon-info-sign" 
style="font-size:100%"/></th>
    --- End diff --
    
    1. `Direct Memory ACTIVELY in use (as percent of Peak Usage so far)` -> 
maybe we can remove `so far`?
    2. `The percentage is an estimate of the total because the Netty library 
directly negotiates with the OS for memory` -> not sure that information about 
netty is useful for the user...


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