FEATURE: add basic instrumentation to defer queue #19824
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This will give us some aggregate stats on the defer queue performance. It is limited to 100 entries (for safety) which is stored in an LRU cache. Scheduler::Defer.stats can then be used to get an array that denotes: - number of runs and completions (queued, finished) - error count (errors) - total duration (duration) We can look later at exposing these metrics to gain visibility on the reason the defer queue is clogged.
davidtaylorhq
approved these changes
Jan 11, 2023
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This will give us some aggregate stats on the defer queue performance.
It is limited to 100 entries (for safety) which is stored in an LRU cache.
Scheduler::Defer.stats can then be used to get an array that denotes:
We can look later at exposing these metrics to gain visibility on the reason
the defer queue is clogged.