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changes.mady.by.user Nicholas Telford

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changes.mady.by.user Nicholas Telford

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Comment: Change oldest-open-iterator-age-ms to oldest-iterator-open-since-ms

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Public Interfaces

New Metrics

Each added metric will be on store-level and have the following tags:

  • type = stream-state-metrics
  • thread-id = [thread ID]
  • task-id = [task ID]
  • [store type]-state-id = [store ID]    for key-value stores
  • [store type]-session-state-id = [store ID]    for session stores
  • [store type]-window-state-id = [store ID]    for window stores  
NameRecording LevelMetric TypeDescription
num-open-iteratorsINFOGaugeThe current number of Iterators on the store that have been created, but not yet closed.
iterator-duration-avgDEBUGAverageThe average time spent between creating an Iterator and closing it, in milliseconds.
iterator-duration-maxDEBUGMaximumThe maximum time spent between creating an Iterator and closing it, in milliseconds.
oldest-iterator-open-iterator-agesince-msDEBUGGaugeThe time since UNIX timestamp the oldest still open Iterator iterator was created, in milliseconds.

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