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Fix zot dashboard: correct latency metric, replace memory with storage

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- Use zot_http_method_latency_seconds_bucket (not zot_http_request_duration_*)
- Replace Memory Usage stat with Total Storage
- Replace Memory Over Time with Storage by Repository

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Erich Blume 2026-01-18 12:05:09 -08:00
commit 57ba61256c
1 changed files with 8 additions and 20 deletions
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28
ansible/roles/grafana/files/dashboards/zot.json
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@ -153,11 +153,11 @@
"targets": [
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "process_resident_memory_bytes{job=\"prometheus.scrape.zot\"}",
"expr": "sum(zot_repo_storage_bytes)",
"refId": "A"
}
],
"title": "Memory Usage",
"title": "Total Storage",
"type": "stat"
},
{
@ -385,19 +385,19 @@
"targets": [
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "histogram_quantile(0.50, sum(rate(zot_http_request_duration_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"expr": "histogram_quantile(0.50, sum(rate(zot_http_method_latency_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"legendFormat": "p50",
"refId": "A"
},
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "histogram_quantile(0.95, sum(rate(zot_http_request_duration_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"expr": "histogram_quantile(0.95, sum(rate(zot_http_method_latency_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"legendFormat": "p95",
"refId": "B"
},
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "histogram_quantile(0.99, sum(rate(zot_http_request_duration_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"expr": "histogram_quantile(0.99, sum(rate(zot_http_method_latency_seconds_bucket{job=\"prometheus.scrape.zot\"}[5m])) by (le))",
"legendFormat": "p99",
"refId": "C"
}
@ -460,24 +460,12 @@
"targets": [
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "process_resident_memory_bytes{job=\"prometheus.scrape.zot\"}",
"legendFormat": "Resident Memory",
"expr": "zot_repo_storage_bytes",
"legendFormat": "{{repo}}",
"refId": "A"
},
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "go_memstats_heap_alloc_bytes{job=\"prometheus.scrape.zot\"}",
"legendFormat": "Heap Alloc",
"refId": "B"
},
{
"datasource": { "type": "prometheus", "uid": "prometheus" },
"expr": "go_memstats_heap_inuse_bytes{job=\"prometheus.scrape.zot\"}",
"legendFormat": "Heap In Use",
"refId": "C"
}
],
"title": "Memory Over Time",
"title": "Storage by Repository",
"type": "timeseries"
}
],