Update jvm.gc.duration histogram buckets to [ 0.01, 0.1, 1, 10 ]

[trask]

Fixes #274

Related to #316

Changes

Updates jvm.gc.duration histogram buckets to [ 0.01, 0.1, 1, 10 ].

Merge requirement checklist

• CONTRIBUTING.md guidelines followed.
• CHANGELOG.md updated for non-trivial changes.
• schema-next.yaml updated with changes to existing conventions.

[jonatan-ivanov]

I still think we could have more buckets than this (though users can configure this) but bucketing is hard and I hope we will get some user feedback.

[trask]

I still think we could have more buckets than this (though users can configure this) but bucketing is hard and I hope we will get some user feedback.

are you thinking an additional bucket on the low/high end, or more intermediate buckets?

[jonatan-ivanov]

Probably not on the high end, though will there be an implicit +inf bucket too?
But on the low end and in between might be useful not just to have more accurate picture when something is wrong but also when users change something and they are curious about its impact.

[trask]

Discussed in Java SIG. Consensus is that [ 0.01, 0.1, 1, 10 ] is a reasonable minimal set of buckets (keeping processing, transmission and storage costs down), and users can always override based on their specific needs