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impala/shell
Sailesh Mukil 900f148078 IMPALA-1671: Print time and link to coordinator web UI once query is submitted in shell
To help supportability and debugging, it's helpful to have the impala
shell print out the coordinator time and the link to the coordinator
web UI once the query is submitted.

This is done by calling the PingImpalaService() routine everytime a
query is submitted, which returns the coordinator's hostname,
webserver port and the coordinator epoch time at that moment which the
shell then formats and prints out.

Added tests to verify these new messages.

Change-Id: I704eb64546e27c367830120241311fea6091266b
Reviewed-on: http://gerrit.cloudera.org:8080/3507
Reviewed-by: Sailesh Mukil <sailesh@cloudera.com>
Tested-by: Internal Jenkins
2016-07-14 19:04:45 +00:00
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