1SELECT  
2  date_trunc('minute', to_timestamp(floor((start_at_time / 1000) / 300) * 300)) AS bucket_5min,
3  COUNT(*) AS requests, 
4  ROUND(percentile_cont(0.05) WITHIN GROUP (ORDER BY duration)) AS p05,
5  ROUND(percentile_cont(0.5) WITHIN GROUP (ORDER BY duration)) AS p50,
6  ROUND(percentile_cont(0.95) WITHIN GROUP (ORDER BY duration)) AS p95,
7  ROUND(percentile_cont(0.99) WITHIN GROUP (ORDER BY duration)) AS p99
8FROM @jtavares.sandbox.requests
9GROUP BY bucket_5min
10ORDER BY   bucket_5min;