Denis Mekhanikov created IGNITE-13886:
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Summary: Change units of cache-related histograms to milliseconds
Key: IGNITE-13886
URL: https://issues.apache.org/jira/browse/IGNITE-13886
Project: Ignite
Issue Type: Improvement
Reporter: Denis Mekhanikov
Ignite has different metrics that have the "histogram" type:
* tx.nodeSystemTimeHistogram
* tx.nodeUserTimeHistogram
* pme.DurationHistogram
* pme.CacheOperationsBlockedDurationHistogram
* cache.<cacheName>.GetTime
* cache.<cacheName>.PutTime
* cache.<cacheName>.RemoveTime
* cache.<cacheName>.CommitTime
* cache.<cacheName>.RollbackTime
First four have buckets corresponding to the amount of time the operation took
in milliseconds.
Cache-related histograms are measured in nanoseconds, while it would be enough
to use milliseconds there as well.
It's hard to distinguish between 100000000 and 1000000000 nanoseconds visually.
The following set of buckets should be used:
* 1
* 10
* 100
* 250
* 1000
The values are provided in milliseconds.
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