[BEAM-7896] Rate estimation for Kafka Table

• Type: New Feature
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.16.0
• Component/s: dsl-sql
• Assignee: Alireza Samadianzakaria
• Reporter: Alireza Samadianzakaria
• Created: 05/Aug/19 16:34
• Updated: 16/May/20 14:18
• Resolved: 25/Mar/20 16:18

Description

Currently, KafkaTable returns UNKNOWN statistics for its rate. 

We can use previously arrived tuples to estimate the rate and return correct statistics (See https://docs.google.com/document/d/1vi1PBBu5IqSy-qZl1Gk-49CcANOpbNs1UAud6LnOaiY)

 

Issue Links

• links to: GitHub Pull Request #9298