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interval

• seconds: 1s 2s 3s ...
  • when S is in upper case, these special value means align interval to minute
    • 1S 5S 10S 15S 30S
• minutes: 1m 2m 3m ...
  • when M is in upper case, these special value means align interval to hour
    • 1M 5M 10M 15M 30M
• hours: 1h 2h 3h ...
  • when H is in upper case, these special value means align interval to day
    • 1H 2H 3H 4H 6H 12H
• days: 1d 2d 3d ...
  • D and d have same meaning
• weeks: 1w 2w 3w ...
  • W and w have same meaning
• months: 1n 2n 3n ...
  • when N is in upper case, these special value means align interval to year
    • 1N 2N 3N 4N 6N
• years: 1y 2y 3y ...
  • Y and y have same meaning
• other values
  • none: don't use any rollup, return all values within the time range
  • default: responder choose a interval based on the time range