Jialiang Li

Prioritizing Helix tasks in Helix state model

7

**Is your feature request related to a problem? Please describe.** Currently Helix tasks are picked up by the participant based on the inqueue time. While there is some scenario that...

Support generic sliding window aggregations

14

Currently in pinot there is no way to query Pinot table in a sliding window fashion. E.g. suppose I want to get the 7-day average number of Covid-19 cases. For...

Fetch the query quota capacity utilization rate broker metric in a callback function

1

This PR fetches the query quota capacity utilization rate broker metric in a callback function. Related issue: https://github.com/apache/pinot/issues/12768 The reason is that this broker metric is a gauge metric. If...

The `QUERY_QUOTA_CAPACITY_UTILIZATION_RATE` broker metric remains stale if there is no incoming query against the table for a while. The reason is that this broker metric is a gauge metric. If...

This PR adds the nonLeaderCleanUp method with the list of table names as the parameter in the PinotTaskGenerator interface. When the tasks are scheduled, the current controller may not always...