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LatencyMetrics processing is incorrect in certain Cassandra versions #560

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burmanm opened this issue Oct 28, 2024 · 0 comments · Fixed by #561
Closed

LatencyMetrics processing is incorrect in certain Cassandra versions #560

burmanm opened this issue Oct 28, 2024 · 0 comments · Fixed by #561
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@burmanm
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burmanm commented Oct 28, 2024

We set our buckets to accommodate for nanoseconds in latency metrics, however this isn't true anymore in newer versions of Cassandra, which are actually storing the dropwizard with microseconds.

Thus, we need to modify the timerFiller with nanosecond buckets for 3.11/4.0, but microseconds for 4.1/5.0.

┆Issue is synchronized with this Jira Story by Unito
┆Issue Number: MAPI-77

emerkle826 added a commit that referenced this issue Oct 28, 2024
* [CHANGE] [#556](#556) Update Management API dependencies to address CVEs
* [CHANGE] [#547](#547) Deprecate Cassandra 3.11 support
* [FEATURE] [#551](#551) Add Cassandra 5.0.2 to the build matrix
* [FEATURE] [#549](#549) Add DSE 6.9.3 to the build matrix
* [ENHANCEMENT] [#552](#552) Improve "liveness" probe implementation
* [BUGFIX] [#553](#553) Fix CassandraTaskExports metric filtering to make it work with 5.0.x Major compactions
* [BUGFIX] [#560](#560) Fix LatencyMetrics bucketing on 4.1 and 5.0 as their reservoir stores the data in microseconds, not nano (unlike 3.11 and 4.0)
* [BUGFIX] [#562](#562) Fix version detection
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