metric: enhance mo-tool and optimize file service metrics (#23253)

### **User description**
## What type of PR is this?

- [ ] API-change
- [ ] BUG
- [x] Improvement
- [ ] Documentation
- [ ] Feature
- [ ] Test and CI
- [ ] Code Refactoring

## Which issue(s) this PR fixes:

issue #23246 

## What this PR does / why we need it:

```shell
    ./mo-tool dashboard create --mode local --port 3001
    ./mo-tool dashboard list --mode cloud --port 3000
    ./mo-tool dashboard delete --mode local --port 3001          # Delete all dashboards in folder
    ./mo-tool dashboard delete-dashboard --uid <uid>             # Delete single dashboard by UID
    ./mo-tool dashboard delete-folder --mode local --port 3001   # Delete entire folder and all dashboards
```

<img width="1028" height="314" alt="image"
src="https://github.com/user-attachments/assets/f7468043-ee48-45e3-b653-01dc09864b27"
/>

<img width="1465" height="283" alt="image"
src="https://github.com/user-attachments/assets/a64e23e0-06d5-438d-a51f-1840378f040d"
/>

<img width="1473" height="288" alt="image"
src="https://github.com/user-attachments/assets/7514a117-a5f8-457f-94d0-d049f9d0d7f2"
/>


___

### **PR Type**
Enhancement


___

### **Description**
- Add comprehensive dashboard management commands (list, delete,
delete-dashboard, delete-folder)

- Implement S3 connection pool tracking with active connection gauge
metric

- Add disk cache eviction and error tracking metrics

- Enhance HTTP trace metrics with connection reuse and failure rate
analysis

- Support configurable MaxConnsPerHost for S3 object storage connections


___

### Diagram Walkthrough


```mermaid
flowchart LR
  A["Dashboard Commands"] -->|create/list/delete| B["Grafana API"]
  C["HTTP Client"] -->|track connections| D["S3ConnActiveGauge"]
  E["Disk Cache"] -->|evict/error events| F["Cache Metrics"]
  G["HTTP Trace"] -->|connection lifecycle| H["Connection Pool Metrics"]
  I["Config"] -->|MaxConnsPerHost| C
```



<details><summary><h3>File Walkthrough</h3></summary>

<table><thead><tr><th></th><th align="left">Relevant
files</th></tr></thead><tbody><tr><td><strong>Enhancement</strong></td><td><details><summary>8
files</summary><table>
<tr>
<td><strong>main.go</strong><dd><code>Refactor dashboard command into
subcommands with full CRUD operations</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-ee6866f9fb95784ecffcdd1a9dbac5e896f6a743467c18a07fdd5c5cda357e7c">+314/-3</a>&nbsp;
</td>

</tr>

<tr>
<td><strong>disk_cache.go</strong><dd><code>Add disk cache eviction and
error counter metrics</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; </dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-2775f0987c87dd3548487f327c4b4f0b8a93e6adbea6fb51b8c9aeaddb543985">+7/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>

<tr>
<td><strong>http_client.go</strong><dd><code>Implement active connection
tracking and periodic cleanup</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-2e7f85fbe5d0260fc0ce5c05baabf885a5c1a77ff1621db750c6bb87001cc719">+150/-4</a>&nbsp;
</td>

</tr>

<tr>
<td><strong>http_trace.go</strong><dd><code>Enhance HTTP trace with
connection reuse and failure tracking</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-849e1f1fbb030fb73508f10940ae8d74cef2191e7e28b732805ccf06e3b36eef">+50/-2</a>&nbsp;
&nbsp; </td>

</tr>

<tr>
<td><strong>grafana_dashboard.go</strong><dd><code>Implement dashboard
list, delete, and folder deletion operations</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-b11e4d02a1c8126d2afb936cff26c8d95feaedeaea7173bef747c3f645ade1df">+317/-0</a>&nbsp;
</td>

</tr>

<tr>
<td><strong>grafana_dashboard_fs.go</strong><dd><code>Add cache
evict/error row and enhance S3 connection metrics
</code><br><code>visualization</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-150a2d0e9e7884f246192255bceb432b8eff0f74015e938db8e21f9bf0b6d6d8">+197/-32</a></td>

</tr>

<tr>
<td><strong>fileservice.go</strong><dd><code>Define S3 active connection
and disk cache error metrics</code>&nbsp; </dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-40c4045e01211017f7ffa2d3be743d46f32abff373c9fc5ec5e4a5fee0eb4ae6">+40/-0</a>&nbsp;
&nbsp; </td>

</tr>

<tr>
<td><strong>metrics.go</strong><dd><code>Register new connection pool
and disk cache metrics</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
</dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-97ea305cc79979fa7db0a8fd618613cdda1c9bda32e6aa91847d8a754de671f3">+4/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>
</table></details></td></tr><tr><td><strong>Configuration
changes</strong></td><td><details><summary>2 files</summary><table>
<tr>
<td><strong>object_storage_arguments.go</strong><dd><code>Add
MaxConnsPerHost configuration parameter for S3</code>&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-8fbae320ed4d3771224b3ea411e82bdc12c00823f6a8ffd713bb75e5c26987c8">+6/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>

<tr>
<td><strong>Makefile</strong><dd><code>Add list and delete dashboard
make targets with documentation</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-76ed074a9305c04054cdebb9e9aad2d818052b07091de1f20cad0bbac34ffb52">+86/-8</a>&nbsp;
&nbsp; </td>

</tr>

</table></details></td></tr><tr><td><strong>Documentation</strong></td><td><details><summary>1
files</summary><table>
<tr>
<td><strong>DEV_README.md</strong><dd><code>Document dashboard list and
delete operations with examples</code></dd></td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23253/files#diff-71ef0b6c2617dd81654dca538af01d544e9cdfdb92239bf702e26f874427ca91">+37/-4</a>&nbsp;
&nbsp; </td>

</tr>
</table></details></td></tr></tbody></table>

</details>

___

---------

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: XuPeng-SH

Makefile

@@ -371,21 +371,37 @@ dev-help:
 	@echo "  make dev-edit-common    - Edit common configuration (all services)"
 	@echo "  make dev-setup-docker-mirror - Configure Docker registry mirror (for faster pulls)"
 	@echo ""
-	@echo "Dashboard Creation (via mo-tool):"
-	@echo "  make dev-create-dashboard        - Create dashboard (default: local mode, port 3001)"
-	@echo "  make dev-create-dashboard-local  - Create local dashboard (port 3001)"
-	@echo "  make dev-create-dashboard-cluster - Create cluster dashboard (port 3000, docker compose)"
-	@echo "  make dev-create-dashboard-k8s     - Create K8S dashboard"
-	@echo "  make dev-create-dashboard-cloud-ctrl - Create cloud control-plane dashboard"
+	@echo "Dashboard Management (via mo-tool):"
+	@echo "  Create:"
+	@echo "    make dev-create-dashboard        - Create dashboard (default: local mode, port 3001)"
+	@echo "    make dev-create-dashboard-local  - Create local dashboard (port 3001)"
+	@echo "    make dev-create-dashboard-cluster - Create cluster dashboard (port 3000, docker compose)"
+	@echo "    make dev-create-dashboard-k8s     - Create K8S dashboard"
+	@echo "    make dev-create-dashboard-cloud-ctrl - Create cloud control-plane dashboard"
+	@echo "  List:"
+	@echo "    make dev-list-dashboard          - List dashboards (default: local mode, port 3001)"
+	@echo "    make dev-list-dashboard-local    - List local dashboards (port 3001)"
+	@echo "    make dev-list-dashboard-cluster  - List cluster dashboards (port 3000)"
+	@echo "    make dev-list-dashboard-k8s       - List K8S dashboards"
+	@echo "    make dev-list-dashboard-cloud-ctrl - List cloud control-plane dashboards"
+	@echo "  Delete:"
+	@echo "    make dev-delete-dashboard        - Delete all dashboards in folder (default: local mode, port 3001)"
+	@echo "    make dev-delete-dashboard-local  - Delete all local dashboards (port 3001)"
+	@echo "    make dev-delete-dashboard-cluster - Delete all cluster dashboards (port 3000)"
+	@echo "    make dev-delete-dashboard-k8s     - Delete all K8S dashboards"
+	@echo "    make dev-delete-dashboard-cloud-ctrl - Delete all cloud control-plane dashboards"
 	@echo ""
 	@echo "  Custom options:"
 	@echo "    DASHBOARD_PORT=3001 make dev-create-dashboard        # Custom port"
 	@echo "    DASHBOARD_HOST=localhost make dev-create-dashboard   # Custom host"
 	@echo "    DASHBOARD_MODE=cloud make dev-create-dashboard      # Custom mode"
 	@echo ""
 	@echo "  Or use mo-tool directly:"
-	@echo "    ./mo-tool dashboard --mode local --port 3001"
-	@echo "    ./mo-tool dashboard --mode cloud --port 3000"
+	@echo "    ./mo-tool dashboard create --mode local --port 3001"
+	@echo "    ./mo-tool dashboard list --mode cloud --port 3000"
+	@echo "    ./mo-tool dashboard delete --mode local --port 3001          # Delete all dashboards in folder"
+	@echo "    ./mo-tool dashboard delete-dashboard --uid <uid>             # Delete single dashboard by UID"
+	@echo "    ./mo-tool dashboard delete-folder --mode local --port 3001   # Delete entire folder and all dashboards"
 	@echo ""
 	@echo "Examples:"
 	@echo "  make dev-build && make dev-up              # Build and start"
@@ -790,6 +806,68 @@ dev-create-dashboard-k8s:
 dev-create-dashboard-cloud-ctrl:
 	@$(MAKE) DASHBOARD_MODE=cloud-ctrl DASHBOARD_PORT=$(DASHBOARD_PORT) dev-create-dashboard
 
+# List dashboards
+.PHONY: dev-list-dashboard
+dev-list-dashboard: mo-tool
+	@echo "Listing dashboards..."
+	@echo "  Mode: $(DASHBOARD_MODE)"
+	@echo "  Host: $(DASHBOARD_HOST):$(DASHBOARD_PORT)"
+	@echo "  Username: $(DASHBOARD_USERNAME)"
+	@./mo-tool dashboard list \
+		--host $(DASHBOARD_HOST) \
+		--port $(DASHBOARD_PORT) \
+		--mode $(DASHBOARD_MODE) \
+		--username $(DASHBOARD_USERNAME) \
+		--password $(DASHBOARD_PASSWORD) \
+		--datasource $(DASHBOARD_DATASOURCE)
+
+.PHONY: dev-list-dashboard-local
+dev-list-dashboard-local:
+	@$(MAKE) DASHBOARD_MODE=local DASHBOARD_PORT=3001 dev-list-dashboard
+
+.PHONY: dev-list-dashboard-cluster
+dev-list-dashboard-cluster:
+	@$(MAKE) DASHBOARD_MODE=cloud DASHBOARD_PORT=3000 DASHBOARD_DATASOURCE=Prometheus dev-list-dashboard
+
+.PHONY: dev-list-dashboard-k8s
+dev-list-dashboard-k8s:
+	@$(MAKE) DASHBOARD_MODE=k8s DASHBOARD_PORT=$(DASHBOARD_PORT) dev-list-dashboard
+
+.PHONY: dev-list-dashboard-cloud-ctrl
+dev-list-dashboard-cloud-ctrl:
+	@$(MAKE) DASHBOARD_MODE=cloud-ctrl DASHBOARD_PORT=$(DASHBOARD_PORT) dev-list-dashboard
+
+# Delete dashboards
+.PHONY: dev-delete-dashboard
+dev-delete-dashboard: mo-tool
+	@echo "Deleting dashboards..."
+	@echo "  Mode: $(DASHBOARD_MODE)"
+	@echo "  Host: $(DASHBOARD_HOST):$(DASHBOARD_PORT)"
+	@echo "  Username: $(DASHBOARD_USERNAME)"
+	@./mo-tool dashboard delete \
+		--host $(DASHBOARD_HOST) \
+		--port $(DASHBOARD_PORT) \
+		--mode $(DASHBOARD_MODE) \
+		--username $(DASHBOARD_USERNAME) \
+		--password $(DASHBOARD_PASSWORD) \
+		--datasource $(DASHBOARD_DATASOURCE)
+
+.PHONY: dev-delete-dashboard-local
+dev-delete-dashboard-local:
+	@$(MAKE) DASHBOARD_MODE=local DASHBOARD_PORT=3001 dev-delete-dashboard
+
+.PHONY: dev-delete-dashboard-cluster
+dev-delete-dashboard-cluster:
+	@$(MAKE) DASHBOARD_MODE=cloud DASHBOARD_PORT=3000 DASHBOARD_DATASOURCE=Prometheus dev-delete-dashboard
+
+.PHONY: dev-delete-dashboard-k8s
+dev-delete-dashboard-k8s:
+	@$(MAKE) DASHBOARD_MODE=k8s DASHBOARD_PORT=$(DASHBOARD_PORT) dev-delete-dashboard
+
+.PHONY: dev-delete-dashboard-cloud-ctrl
+dev-delete-dashboard-cloud-ctrl:
+	@$(MAKE) DASHBOARD_MODE=cloud-ctrl DASHBOARD_PORT=$(DASHBOARD_PORT) dev-delete-dashboard
+
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 # Local Development with MinIO Storage
 ###############################################################################