Paul Rogers created DRILL-4713:
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             Summary: Add ZK, load information to main Drill web UI page
                 Key: DRILL-4713
                 URL: https://issues.apache.org/jira/browse/DRILL-4713
             Project: Apache Drill
          Issue Type: Improvement
            Reporter: Paul Rogers
            Priority: Minor


Log in to the Drill Web UI. The main page lists some information that is very 
useful: the running drillbits in the ZK cluster, and the port numbers of this 
particular drillbit.

It would be handy to also list the ZK information: root and cluster-id. This 
will be particularly useful for users that run multiple drillbits on the same 
node, or multiple logical drill clusters on the same physical cluster.

Also, perhaps give some sense of the load on the system, perhaps list the 
number of in-flight and/or queued queries. Maybe the number of queries for 
which this node is the foreman, plus the number of active queries on the node. 
(The information must be local; we have no way at present to aggregate numbers 
for the entire cluster.)



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