apache/dubbo

task: aggregate data is missing one

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#11,595 opened on Feb 18, 2023

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help wantedtype/bug

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Description

Environment

  • Dubbo version: 3.2

Steps to reproduce this issue

Pls. provide [GitHub address] to reproduce this issue.

Expected Behavior

Two minutes of aggregate data is missing one item compared with direct count statistics

Actual Behavior

RequestTotal in 2m is same as dubbo_provider_requests_total_aggregate

Contributor guide

Research direction
Examine the aggregation logic for metrics in Dubbo, particularly how 'RequestTotal' is aggregated over 2 minute intervals. Compare with direct count statistics to identify the missing item.
Tech stack
java
Domain
backendapiobservability
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Needs investigation
Prerequisites
JavaDubboMetrics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65