[GitHub] [incubator-pinot] pradeepgv42 commented on pull request #5661: Optimize selection order-by when not all selected expressions are ordered

[GitBox]

pradeepgv42 commented on pull request #5661:
URL: https://github.com/apache/incubator-pinot/pull/5661#issuecomment-655838063


   select * from tablename order by timestamp desc limit 10
   
   Much better than previously but still taking ~30sec
   
       "numServersQueried": 2,
       "numServersResponded": 2,
       "numSegmentsQueried": 546,
       "numSegmentsProcessed": 538,
       "numSegmentsMatched": 538,
       "numConsumingSegmentsQueried": 8,
       "numDocsScanned": 891433991,
       "numEntriesScannedInFilter": 0,
       "numEntriesScannedPostFilter": 1783093942,
       "numGroupsLimitReached": false,
       "totalDocs": 891433991,
       "timeUsedMs": 26382,
       "segmentStatistics": [],
       "traceInfo": {},
       "minConsumingFreshnessTimeMs": 9223372036854775807


----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org
For additional commands, e-mail: commits-h...@pinot.apache.org