Viraj Jasani created PHOENIX-6907:
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Summary: Explain Plan should output region locations with servers
Key: PHOENIX-6907
URL: https://issues.apache.org/jira/browse/PHOENIX-6907
Project: Phoenix
Issue Type: Improvement
Reporter: Viraj Jasani
Assignee: Viraj Jasani
As of today, explain plan provides details related to scan key range size, size
of the scan lists (for parallel scans), hints, client/server sorted by, order
by, server filter etc. It provides as much close details to the physical plans
as possible.
If we could also make explain plan output to include region locations that also
contains regionserver details on which the region is currently residing, this
might turn out to be really good insights. For full table scans, this also
means that we would end up including very higher number of region locations and
it would not be ideal to print all of them in the output. We can enforce a
limit on the num of region locations to print (default value could be 10 or
so). For point lookup and range scans, we can find the region locations with
regionserver as quite useful for the real time analysis of slowness experienced
by the given query.
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