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late-records-drop: INFO at processor node level, replaced by INFO task-level "dropped-records".

skipped-records: INFO at thread and processor node level, replaced by INFO task-level "dropped-records".

expired-window-record-drop: DEBUG at state store level, replaced by INFO task-level "dropped-records".

forward-rate: DEBUG at processor-node level, replaced by DEBUG processor node level "process-rate".

destorydestroy-rate: DEBUG at processor-node level, covered by INFO thread-level "task-closed-rate".

create-rate: DEBUG at processor-node level, covered by INFO thread-level "task-create-rate".

Release History

2.4

• client-level metrics:
  • added:
    • version 
    • commit-id
    • application-id
    • topology-description
    • state

2.5

• thread-level metrics:
  • refactored:
    • process-latency (avg | max)
    • process (rate | total) 
    • punctuate-latency (avg | max)
    • punctuate (rate | total)
    • commit-latency (avg | max)
    • commit (rate | total)
    • poll-latency (avg | max)
    • poll (rate | total)
    • task-created | closed (rate | total)
  • removed:
    • skipped-records
• task-level metrics:
  • refactored:
    • process-latency (avg | max)
    • process (rate | total) 
    • punctuate-latency (avg | max)
    • punctuate (rate | total)
    • commit-latency (avg | max)
    • commit (rate | total)
    • enforced-processing (rate | total)
    • record-lateness (avg | max)
  • added:
    • dropped-records (rate | total)
  • removed:
    • expired-window-record-drop
• processor-node-level:
  • refactored:
    • process (rate | total)
    • suppression-emit (rate | total)
  • removed:
    • process-latency (avg | max)
    • late-records-drop
    • skipped-records
    • forward-rate
    • destroy-rate
    • create-rate
• state-store-level:
  • refactored:
    • suppression-buffer-size (avg | max)
    • suppression-buffer-count (avg | max)
    • (put | put-if-absent .. | get)-latency (avg | max)
    • (put | put-if-absent .. | get) (rate)
  • removed:
    • expired-window-record-drop
• cache-level:
  • refactored:
    • hit-ratio (avg | min | max)

2.6

• client-level metrics:
  • added: 
    • alive-stream-threads
• thread-level metrics:
  • added: 
    • process | punctuate | commit | poll-ratio
    • poll-records (avg | max)
    • process-records (avg | max)
• task-level metrics:
  • added: 
    • active-process-ratio
    • standby-process-ratio

Proposed Changes

As above.

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