Refactor Grafana dashboard: update metrics titles, adjust grid positions, and enhance error ratio calculation#1458
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…ons, and enhance error ratio calculation
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📝 WalkthroughWalkthroughGrafana ダッシュボード JSON を更新し、複数パネルの PromQL と表示単位をミリ秒へ変更、エラー比率の式を修正、レイアウト(gridPos)調整と新しい「Requests by Method and Status」パネルを追加。 Changes
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Poem
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In `@docker/grafana/dashboards/stationapi-grpc.json`:
- Line 234: The panel is configured with unit: "ms" but its query
grpc_request_duration_seconds_sum / grpc_request_duration_seconds_count returns
seconds; update the query used in the Average Duration panels (the expression
using grpc_request_duration_seconds_sum and grpc_request_duration_seconds_count)
to convert seconds to milliseconds by multiplying the result by 1000 (e.g.
(grpc_request_duration_seconds_sum / grpc_request_duration_seconds_count) *
1000), and keep the unit: "ms" so the displayed values match the unit; apply the
same change to the other affected panel(s) referenced by the same query.
- Line 85: 表示単位がミリ秒になっていますが、クエリ(histogram_quantile を使っている
grpc_request_duration_seconds_bucket
から計算)が秒単位を返すため表示が不正確です。対応策としては、ダッシュボードの該当パネルで unit を "s"
に戻すか、クエリ(histogram_quantile(...) on
grpc_request_duration_seconds_bucket)側で結果を1000倍して ms に変換するどちらかを採用してください;パネル定義の
unit フィールドと該当クエリ(histogram_quantile /
grpc_request_duration_seconds_bucket)を修正してください。
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docker/grafana/dashboards/stationapi-grpc.json
…seconds Latency queries return seconds but panels display as ms. Multiply query results by 1000 to match the configured unit in Request Latency and Average Duration panels. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary by CodeRabbit
リリースノート
新機能
改善