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fa4c2ce8f6cb3337439e35711c50aeaf6e841b86
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12 Commits

Author SHA1 Message Date
Mayne0213
7d5780cb97 PERF(tempo): switch from MinIO to local filesystem storage 
- Change storage backend from S3 to local filesystem (emptyDir)
- Remove MinIO/S3 configuration and credentials
- Reduce retention from 3 days to 1 day for local storage
- Increase emptyDir size from 2Gi to 5Gi
- Remove anti-affinity (single replica only)
 2026-01-10 15:58:34 +09:00
Mayne0213
ef7c7c2593 PERF(loki,tempo): reduce replicas to 1 
- Reduce Loki singleBinary replicas from 2 to 1
- Reduce Tempo replicas from 2 to 1
- Decrease MinIO CPU load (0.5 → 0.1 cores expected)
 2026-01-10 15:32:07 +09:00
Mayne0213
a3003d597f PERF(observability): adjust resources based on VPA 
- Update blackbox-exporter cpu 15m→23m, memory 64Mi→100Mi
- Update grafana cpu 11m→23m, memory 425Mi→175Mi
- Update loki cpu 23m→63m, memory 462Mi→363Mi
- Update tempo cpu 50m→15m, memory 128Mi→100Mi
- Update thanos memory 128Mi→283Mi
- Update node-exporter memory 64Mi→100Mi
- Update kube-state-metrics memory 100Mi→105Mi
- Update opentelemetry-operator cpu 10m→11m, memory 256Mi→75Mi
- Update vpa memory 128Mi→100Mi
 2026-01-10 14:33:40 +09:00
Mayne0213
c3084225b7 PERF(observability): add HA for Loki and Tempo 
- Loki: replicas 1→2 with soft anti-affinity
- Tempo: replicas 1→2 with soft anti-affinity
- Thanos/Prometheus: keep replica 1

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-10 13:46:02 +09:00
Mayne0213
9e218a8adc PERF(observability): reduce replicas, add priority 
- Reduce Prometheus replicas from 2 to 1
- Reduce Grafana replicas from 2 to 1
- Reduce Blackbox-exporter replicas from 2 to 1
- Move Loki, Thanos, Tempo to workers (remove tolerations)
- Add medium-priority to Prometheus, Loki, Thanos, Tempo
 2026-01-10 13:15:03 +09:00
Mayne0213
470a08f78a CHORE(repo): switch to emptyDir with sizeLimit 
- Add sizeLimit 2Gi to loki emptyDir
- Add sizeLimit 2Gi to tempo emptyDir
- Change prometheus from PVC to emptyDir 5Gi
- Change alertmanager from PVC to emptyDir 500Mi
 2026-01-09 21:42:35 +09:00
Mayne0213
b378c6ec06 FIX(tempo): move extraEnv under tempo section for S3 credentials 
- Move extraEnv from top-level to tempo section where chart expects it
- Move extraVolumeMounts under tempo section for proper WAL mounting
- Fixes Access Denied error when connecting to MinIO
 2026-01-09 21:42:35 +09:00
Mayne0213
8ac76d17f3 FEAT(loki,tempo): use MinIO with emptyDir for WAL 
- Loki: disable PVC, use emptyDir for /var/loki
- Tempo: switch backend from local to s3 (MinIO)
- Tempo: disable PVC, use emptyDir for /var/tempo
- Both services no longer use boot volume (/dev/sda1)
- WAL data is temporary, persistent data stored in MinIO
 2026-01-09 21:42:35 +09:00
Mayne0213
24747b98cf REFACTOR(loki,tempo): switch from MinIO to local-path storage 
- Loki: s3 backend to filesystem with local-path PVC
- Tempo: s3 backend to local backend with local-path PVC
- Remove MinIO/S3 credentials and configuration
 2026-01-09 21:42:35 +09:00
Mayne0213
5089e8607d CHORE(resources): set memory limits equal to memory requests 
Align memory limits with memory requests for guaranteed QoS class.
- prometheus, thanos (query, storegateway, compactor)
- alertmanager, tempo, goldilocks (dashboard, controller)
- node-exporter, opentelemetry-collector, vpa, kube-state-metrics
 2026-01-09 21:42:35 +09:00
Mayne0213
fd6c1952ad FIX(tempo): enable env var expansion in config 
- Add extraArgs config.expand-env=true
- Required for ${VAR} substitution in tempo.yaml
 2026-01-09 21:41:52 +09:00
Mayne0213
5f926cb6cf FEAT(tempo): configure S3 storage with MinIO 
- Enable env var expansion in config
- Configure extraEnv for S3 credentials
- Fix OTel Collector image settings
 2026-01-09 21:41:52 +09:00