declarative relay deployment on hetzner
relay-eval.waow.tech
atproto
relay
dashboard: add malloc mmap_bytes to malloc breakdown panel
the metric was exposed by the endpoint but not graphed, hiding a major
component of memory usage.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
+137
+137
deploy/zlay-dashboard.json
+137
deploy/zlay-dashboard.json
···
285
285
"refId": "A"
286
286
}
287
287
]
288
+
},
289
+
{
290
+
"title": "malloc breakdown",
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+
"type": "timeseries",
292
+
"gridPos": { "h": 8, "w": 12, "x": 0, "y": 32 },
293
+
"datasource": { "type": "prometheus", "uid": "prometheus" },
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+
"fieldConfig": {
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+
"defaults": {
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+
"unit": "bytes",
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+
"color": { "mode": "palette-classic" },
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+
"custom": {
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+
"fillOpacity": 15,
300
+
"lineWidth": 2,
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+
"spanNulls": false
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+
}
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+
},
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+
"overrides": []
305
+
},
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+
"targets": [
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+
{
308
+
"expr": "max(relay_malloc_arena_bytes{job=\"zlay\"})",
309
+
"legendFormat": "arena (claimed from OS)",
310
+
"refId": "A"
311
+
},
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+
{
313
+
"expr": "max(relay_malloc_in_use_bytes{job=\"zlay\"})",
314
+
"legendFormat": "in-use (allocated)",
315
+
"refId": "B"
316
+
},
317
+
{
318
+
"expr": "max(relay_malloc_free_bytes{job=\"zlay\"})",
319
+
"legendFormat": "free (fragmentation)",
320
+
"refId": "C"
321
+
},
322
+
{
323
+
"expr": "max(relay_malloc_mmap_bytes{job=\"zlay\"})",
324
+
"legendFormat": "mmap (large blocks)",
325
+
"refId": "D"
326
+
}
327
+
]
328
+
},
329
+
{
330
+
"title": "rss breakdown",
331
+
"type": "timeseries",
332
+
"gridPos": { "h": 8, "w": 12, "x": 12, "y": 32 },
333
+
"datasource": { "type": "prometheus", "uid": "prometheus" },
334
+
"fieldConfig": {
335
+
"defaults": {
336
+
"unit": "bytes",
337
+
"color": { "mode": "palette-classic" },
338
+
"custom": {
339
+
"fillOpacity": 15,
340
+
"lineWidth": 2,
341
+
"spanNulls": false
342
+
}
343
+
},
344
+
"overrides": []
345
+
},
346
+
"targets": [
347
+
{
348
+
"expr": "max(relay_process_rss_bytes{job=\"zlay\"})",
349
+
"legendFormat": "RSS total",
350
+
"refId": "A"
351
+
},
352
+
{
353
+
"expr": "max(relay_rss_anon_kb{job=\"zlay\"}) * 1024",
354
+
"legendFormat": "RssAnon (heap+stack)",
355
+
"refId": "B"
356
+
},
357
+
{
358
+
"expr": "max(relay_vm_hwm_kb{job=\"zlay\"}) * 1024",
359
+
"legendFormat": "VmHWM (peak RSS)",
360
+
"refId": "C"
361
+
}
362
+
]
363
+
},
364
+
{
365
+
"title": "disk used %",
366
+
"type": "gauge",
367
+
"gridPos": { "h": 8, "w": 8, "x": 0, "y": 40 },
368
+
"datasource": { "type": "prometheus", "uid": "prometheus" },
369
+
"fieldConfig": {
370
+
"defaults": {
371
+
"unit": "percentunit",
372
+
"min": 0,
373
+
"max": 1,
374
+
"color": { "mode": "thresholds" },
375
+
"thresholds": {
376
+
"steps": [
377
+
{ "color": "green", "value": null },
378
+
{ "color": "yellow", "value": 0.7 },
379
+
{ "color": "red", "value": 0.85 }
380
+
]
381
+
}
382
+
},
383
+
"overrides": []
384
+
},
385
+
"options": {
386
+
"reduceOptions": { "calcs": ["lastNotNull"] }
387
+
},
388
+
"targets": [
389
+
{
390
+
"expr": "max(1 - (relay_disk_available_bytes{job=\"zlay\"} / relay_disk_total_bytes{job=\"zlay\"}))",
391
+
"legendFormat": "used",
392
+
"refId": "A"
393
+
}
394
+
]
395
+
},
396
+
{
397
+
"title": "disk usage",
398
+
"type": "timeseries",
399
+
"gridPos": { "h": 8, "w": 16, "x": 8, "y": 40 },
400
+
"datasource": { "type": "prometheus", "uid": "prometheus" },
401
+
"fieldConfig": {
402
+
"defaults": {
403
+
"unit": "bytes",
404
+
"color": { "mode": "palette-classic" },
405
+
"custom": {
406
+
"fillOpacity": 15,
407
+
"lineWidth": 2,
408
+
"spanNulls": false
409
+
}
410
+
},
411
+
"overrides": []
412
+
},
413
+
"targets": [
414
+
{
415
+
"expr": "max(relay_disk_total_bytes{job=\"zlay\"})",
416
+
"legendFormat": "total",
417
+
"refId": "A"
418
+
},
419
+
{
420
+
"expr": "max(relay_disk_total_bytes{job=\"zlay\"}) - max(relay_disk_available_bytes{job=\"zlay\"})",
421
+
"legendFormat": "used",
422
+
"refId": "B"
423
+
}
424
+
]
288
425
}
289
426
],
290
427
"schemaVersion": 39,