Replace dots with slashes in OTEL metric families for hierarchical grouping #21371
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@copilot the fix is very simple - we need to replace dots with |
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No. You don't need to modify any go code. otel is rust only. |
…ouping Modified both the Rust and Go OTEL plugins to use slashes instead of dots in the family field, enabling hierarchical grouping in the dashboard. For example: - Before: otel.dotnet.exceptions - After: otel/dotnet/exceptions Also fixed a pre-existing bug in convert_test.go where Convert was called instead of convert (lowercase). Co-authored-by: ilyam8 <[email protected]>
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[WIP] Fix OTEL metrics grouping in dashboard
Replace dots with slashes in OTEL metric families for hierarchical grouping
Dec 1, 2025
Removed modifications to Go otel-collector code as per review feedback. The OTEL plugin is Rust-only. The fix only needs to replace dots with slashes in the family field in the Rust plugin. Co-authored-by: ilyam8 <[email protected]>
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@copilot remove "otel/" prefix in the family, we don't need it. |
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The family field should just use the metric name with dots replaced by slashes, without the otel/ prefix (e.g., dotnet/exceptions instead of otel/dotnet/exceptions). Co-authored-by: ilyam8 <[email protected]>
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sashwathn
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Dec 2, 2025
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Flagging @vkalintiris for review on this as he’s the de-facto code owner. |
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After this change 
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stelfrag
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Dec 3, 2025
…ouping (netdata#21371) Co-authored-by: ilyam8 <[email protected]> Co-authored-by: copilot-swe-agent[bot] <[email protected]> (cherry picked from commit d7f3bf3)
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Ferroin
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Dec 3, 2025
…ouping (#21371) Co-authored-by: ilyam8 <[email protected]> Co-authored-by: copilot-swe-agent[bot] <[email protected]> (cherry picked from commit d7f3bf3)
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Summary
Fixes #21239
OTEL metrics appear as flat, ungrouped items in the dashboard because the family field uses dots as separators. This change replaces dots with slashes in metric family names to enable hierarchical grouping.
Before:
otel.dotnet.exceptions(flat)After:
dotnet/exceptions(grouped underdotnet)Changes:
src/crates/jf/otel-plugin/src/netdata_chart.rs): Generate family by replacing dots with slashes in the metric nameTest Plan
cargo checkpassesAdditional Information
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