PluginPublic
apavithraa/springboot-architecture
Skills for creating, testing, reviewing, migrating and guarding Spring Boot 4 projects with Java 25: project scaffolding with architecture patterns, Boot 4 test templates, code review, Boot 3 to 4 migration, and a team harness of build gates and agent hooks.
Quality
93%
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Securityby
Low
Low-risk findings worth noting
jvm-resources.jsonskills/spring-boot-team-harness/assets/observability/dashboards/
{
"uid": "project-jvm",
"title": "JVM and resources",
"schemaVersion": 39,
"version": 1,
"editable": true,
"time": {
"from": "now-30m",
"to": "now"
},
"refresh": "30s",
"tags": [
"project"
],
"templating": {
"list": [
{
"name": "prometheus",
"label": "Metrics",
"type": "datasource",
"query": "prometheus"
},
{
"name": "service",
"label": "Service",
"type": "query",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"refresh": 2,
"sort": 1,
"query": "label_values(http_server_requests_milliseconds_count, job)",
"definition": "label_values(http_server_requests_milliseconds_count, job)"
},
{
"name": "environment",
"label": "Environment",
"type": "query",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"refresh": 2,
"sort": 1,
"query": "label_values(http_server_requests_milliseconds_count{job=\"$service\"}, deployment_environment_name)",
"definition": "label_values(http_server_requests_milliseconds_count{job=\"$service\"}, deployment_environment_name)"
}
]
},
"panels": [
{
"id": 1,
"type": "timeseries",
"title": "Heap used",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 0,
"y": 0,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum by (instance) (jvm_memory_used_bytes{job=\"$service\", deployment_environment_name=\"$environment\", area=\"heap\"})",
"legendFormat": "used {{instance}}"
},
{
"refId": "B",
"expr": "sum by (instance) (jvm_memory_max_bytes{job=\"$service\", deployment_environment_name=\"$environment\", area=\"heap\"})",
"legendFormat": "max {{instance}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "bytes"
},
"overrides": []
}
},
{
"id": 2,
"type": "timeseries",
"title": "Heap left after GC",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 12,
"y": 0,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "max by (instance) (jvm_memory_usage_after_gc{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "{{instance}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "percentunit"
},
"overrides": []
},
"description": "Share of the long-lived pool still full after a collection. A steady climb is a leak."
},
{
"id": 3,
"type": "timeseries",
"title": "GC pause time per second",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 0,
"y": 8,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum by (instance) (rate(jvm_gc_pause_milliseconds_sum{job=\"$service\", deployment_environment_name=\"$environment\"}[$__rate_interval]))",
"legendFormat": "{{instance}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "ms"
},
"overrides": []
},
"optional": true,
"description": "Empty until the first collection."
},
{
"id": 4,
"type": "timeseries",
"title": "CPU",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 12,
"y": 8,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "max by (instance) (process_cpu_usage{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "process {{instance}}"
},
{
"refId": "B",
"expr": "max by (instance) (system_cpu_usage{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "system {{instance}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "percentunit"
},
"overrides": []
}
},
{
"id": 5,
"type": "timeseries",
"title": "Threads",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 0,
"y": 16,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum by (state) (jvm_threads_states{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "{{state}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "short"
},
"overrides": []
}
},
{
"id": 6,
"type": "timeseries",
"title": "Connection pool",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 12,
"y": 16,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum(hikaricp_connections_active{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "active"
},
{
"refId": "B",
"expr": "sum(hikaricp_connections_idle{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "idle"
},
{
"refId": "C",
"expr": "sum(hikaricp_connections_pending{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "waiting"
},
{
"refId": "D",
"expr": "sum(hikaricp_connections_max{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "max"
}
],
"fieldConfig": {
"defaults": {
"unit": "short"
},
"overrides": []
},
"optional": true
},
{
"id": 7,
"type": "timeseries",
"title": "Web server threads",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 0,
"y": 24,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum(tomcat_threads_busy{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "busy"
},
{
"refId": "B",
"expr": "sum(tomcat_threads_current{job=\"$service\", deployment_environment_name=\"$environment\"})",
"legendFormat": "current"
}
],
"fieldConfig": {
"defaults": {
"unit": "short"
},
"overrides": []
},
"optional": true
},
{
"id": 8,
"type": "timeseries",
"title": "Log events by level",
"datasource": {
"type": "prometheus",
"uid": "${prometheus}"
},
"gridPos": {
"x": 12,
"y": 24,
"w": 12,
"h": 8
},
"targets": [
{
"refId": "A",
"expr": "sum by (level) (rate(logback_events_total{job=\"$service\", deployment_environment_name=\"$environment\"}[$__rate_interval]))",
"legendFormat": "{{level}}"
}
],
"fieldConfig": {
"defaults": {
"unit": "cps"
},
"overrides": []
}
}
]
}