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Posted to commits@rocketmq.apache.org by "Aias00 (via GitHub)" <gi...@apache.org> on 2026/08/11 07:26:57 UTC
[I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Aias00 opened a new issue, #1660:
URL: https://github.com/apache/rocketmq-dashboard/issues/1660
## Problem
`RocketMQDashboardProvider.collectDashboardData()` calls `examineTopicRouteInfo(topic)` once for every non-system Topic solely to derive per-cluster topic counts. Large clusters turn one overview refresh into hundreds or thousands of sequential NameServer route requests.
## Why this needs a design decision
A Topic can span brokers and cluster ownership is not represented in the topic list. Skipping route lookup without a replacement would make per-cluster counts incorrect.
## Proposed direction
- Evaluate a bounded/cached route-resolution strategy with an explicit freshness policy, or a backend aggregate endpoint.
- Make any partial result visible to the UI rather than reporting it as a complete count.
- Add a large-topic-count benchmark and ensure refresh latency/RPC volume remain bounded.
## Track
Track 1 / dashboard runtime observability.
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Re: [I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Posted by "Aias00 (via GitHub)" <gi...@apache.org>.
Aias00 commented on issue #1660:
URL: https://github.com/apache/rocketmq-dashboard/issues/1660#issuecomment-5250528008
Re-verified against current `rocketmq-studio` baseline (`9371e2a0`). The reported `RocketMQDashboardProvider.collectDashboardData()` implementation and its per-Topic `examineTopicRouteInfo` loop are no longer present in the source tree; the current dashboard path uses `DashboardProviderStub`.
The issue was discovered from an older worktree/revision and is not reproducible on the current baseline. Closing to avoid tracking a stale performance regression. A future live dashboard provider should include an explicit bounded aggregation/freshness design before introducing route-derived cluster counts.
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Re: [I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #1660:
URL: https://github.com/apache/rocketmq-dashboard/issues/1660#issuecomment-5363576396
This issue has been automatically closed because there has been no activity for 7 days. If you believe this issue is still relevant, please reopen it with updated information.
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Re: [I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #1660: [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview
URL: https://github.com/apache/rocketmq-dashboard/issues/1660
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Re: [I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Posted by "Aias00 (via GitHub)" <gi...@apache.org>.
Aias00 closed issue #1660: [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview
URL: https://github.com/apache/rocketmq-dashboard/issues/1660
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Re: [I] [Studio][Performance] Avoid per-Topic route RPCs in Dashboard cluster overview [rocketmq-dashboard]
Posted by "Aias00 (via GitHub)" <gi...@apache.org>.
Aias00 commented on issue #1660:
URL: https://github.com/apache/rocketmq-dashboard/issues/1660#issuecomment-5250683189
Correction after revalidating the latest `rocketmq-studio` baseline (`65d1c328`): `RocketMQDashboardProvider.collectDashboardData()` is present and still calls `examineTopicRouteInfo(topic)` once per non-system Topic. My prior closure was based on an outdated local checkout that lacked this provider.
Reopening the issue. I will proceed with a bounded strategy and preserve explicit partial-result semantics rather than silently reporting incomplete per-cluster counts.
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