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https://issues.apache.org/jira/browse/CASSANDRA-17155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yifan Cai updated CASSANDRA-17155:
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Fix Version/s: 4.1
Since Version: 4.1
Source Control Link:
https://github.com/apache/cassandra/commit/4aab2c79b9539e8d8cfe90e4dd700b8da2f9e8a0
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
Committed into trunk as
[4aab2c7|https://github.com/apache/cassandra/commit/4aab2c79b9539e8d8cfe90e4dd700b8da2f9e8a0]
> Increase the buckets count for timer histogram
> ----------------------------------------------
>
> Key: CASSANDRA-17155
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17155
> Project: Cassandra
> Issue Type: Bug
> Components: Observability/Metrics
> Reporter: Yifan Cai
> Assignee: Yifan Cai
> Priority: Normal
> Fix For: 4.1
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> EstimatedHistograms used in timers are allocated with 90 buckets, as part of
> CASSANDRA-16760. It can represent the highest value of 25 seconds. The
> setting is not free from hitting overflow error when calculating the mean
> value from the histogram. We can increase the buckets count to 127 to
> increase the upper limit to 21,356 seconds, which just covers the range of
> 164 buckets prior CASSANDRA-16760.
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