SKYEDEN-3234 detect unused topics #1922
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questras
commented
Nov 12, 2024
•
questras
commented
- Add a cron job to detect inactive topics and notify them
- notification thresholds, cron etc are configured via properties
- Notifier implementation is not provided, but the feature can work without it
- the job runs on one instance of hermes management only, based on provided ZK datacenter for leadership election (in properties)
moscicky
previously approved these changes
Nov 19, 2024
| public record InactiveTopic( | ||
| @JsonProperty String qualifiedTopicName, | ||
| @JsonProperty long lastPublishedMessageTimestampMs, | ||
| @JsonProperty List<Long> notificationTimestampsMs, |
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Wondering if it is necessary to keep all notification history as it can grow indefinitely. Perhaps we can persist only previous notification time? what do you think?
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It was my first thought but I decided to keep a list as it also tells you how many times you've already notified the topic, which might be useful.
What do you think about providing a configurable limit (via properties) of the list size? this way you still keep the history but it doesn't grow indefinitely
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Sure, we can go with bounded list
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