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IGNITE-23168 Event consumption time metric in CDC consumer #11612

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@maksaska maksaska commented Oct 22, 2024

Within this commit there are 2 metrics implemented:

  • EventsConsumptionTime - Time for which this CDC client processed the WAL segment events, in nanoseconds.
  • EventsConsumptionTimeTotal - The total time for which this CDC client processed the WAL segments events, in nanoseconds.

It will help to monitor the throughput of the transfered cache entries as well as finish time of the proccess.

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* Consumer events consumption metric
docs/_docs/persistence/change-data-capture.adoc Outdated Show resolved Hide resolved
docs/_docs/persistence/change-data-capture.adoc Outdated Show resolved Hide resolved
* Updates consumer event coonsumption metrics.
* @param duration - Operation durtion.
*/
private void updateWalProcessingMetrics(long duration) {
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This method consisting of two lines is used only once, why should we add it?

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I added it for consistency between eventsConsumptionTime and eventsConsumptionTimeTotal. By calling this method we fix the duration as a method variable, and assign the same value to both metrics.

* Metrics description changed
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