##############################################################################
# M3DB Configuration
# Tuned for replacing Mimir — supports Prometheus remote write/read
##############################################################################

apiVersion: v1
kind: ConfigMap
metadata:
  name: m3db-config
  namespace: m3db
  labels:
    app.kubernetes.io/name: m3db
data:
  m3dbnode.yml: |
    coordinator:
      listenAddress: 0.0.0.0:7201
      metrics:
        scope:
          prefix: coordinator
        prometheus:
          handlerPath: /metrics
          listenAddress: 0.0.0.0:7203
        sanitization: prometheus
        samplingRate: 1.0
        extended: none

      # Prometheus remote write/read endpoints (Mimir replacement)
      tagOptions:
        idScheme: quoted

    db:
      logging:
        level: info

      # Metrics handled by coordinator section above (port 7203)
      # db-specific metrics disabled to avoid port conflict

      listenAddress: 0.0.0.0:9000
      clusterListenAddress: 0.0.0.0:9001
      httpNodeListenAddress: 0.0.0.0:9002
      httpClusterListenAddress: 0.0.0.0:9003
      debugListenAddress: 0.0.0.0:9004

      hostID:
        resolver: hostname

      client:
        writeConsistencyLevel: majority
        readConsistencyLevel: unstrict_majority
        writeTimeout: 10s
        fetchTimeout: 15s
        connectTimeout: 20s
        writeRetry:
          initialBackoff: 500ms
          backoffFactor: 3
          maxRetries: 2
          jitter: true
        fetchRetry:
          initialBackoff: 500ms
          backoffFactor: 2
          maxRetries: 3
          jitter: true

      # Cluster discovery via etcd
      discovery:
        config:
          service:
            env: default_env
            zone: embedded
            service: m3db
            cacheDir: /var/lib/m3kv
            etcdClusters:
              - zone: embedded
                endpoints:
                  - http://etcd-0.etcd.m3db.svc.cluster.local:2379
                  - http://etcd-1.etcd.m3db.svc.cluster.local:2379
                  - http://etcd-2.etcd.m3db.svc.cluster.local:2379

      # Cache configuration
      cache:
        series:
          policy: lru
        postingsList:
          size: 262144

      # Commit log
      commitlog:
        flushMaxBytes: 524288
        flushEvery: 1s
        queue:
          calculationType: fixed
          size: 2097152

      # Filesystem (data persistence)
      filesystem:
        filePathPrefix: /var/lib/m3db
        writeBufferSize: 65536
        dataReadBufferSize: 65536
        infoReadBufferSize: 128
        seekReadBufferSize: 4096
        throughputLimitMbps: 1000.0
        throughputCheckEvery: 128

      # Repair disabled by default — enable once cluster is stable
      repair:
        enabled: false

      # Pooling for performance
      pooling:
        blockAllocSize: 16
        type: simple
        seriesPool:
          size: 262144
          lowWatermark: 0.7
          highWatermark: 1.0
        blockPool:
          size: 262144
          lowWatermark: 0.7
          highWatermark: 1.0
        encoderPool:
          size: 262144
          lowWatermark: 0.7
          highWatermark: 1.0
        segmentReaderPool:
          size: 16384
          lowWatermark: 0.2
          highWatermark: 1.0
        iteratorPool:
          size: 2048
          lowWatermark: 0.2
          highWatermark: 1.0
        fetchBlockMetadataResultsPool:
          size: 65536
          capacity: 32
          lowWatermark: 0.01
          highWatermark: 1.0
        fetchBlocksMetadataResultsPool:
          size: 32
          capacity: 4096
          lowWatermark: 0.01
          highWatermark: 1.0
        bytesPool:
          buckets:
            - capacity: 16
              size: 524288
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 32
              size: 262144
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 64
              size: 131072
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 128
              size: 65536
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 256
              size: 65536
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 1440
              size: 16384
              lowWatermark: 0.01
              highWatermark: 1.0
            - capacity: 4096
              size: 8192
              lowWatermark: 0.01
              highWatermark: 1.0

---

##############################################################################
# M3 Coordinator standalone config
# Handles Prometheus remote read/write + Grafana queries
##############################################################################

apiVersion: v1
kind: ConfigMap
metadata:
  name: m3coordinator-config
  namespace: m3db
  labels:
    app.kubernetes.io/name: m3coordinator
data:
  m3coordinator.yml: |
    listenAddress: 0.0.0.0:7201

    logging:
      level: info

    metrics:
      scope:
        prefix: coordinator
      prometheus:
        handlerPath: /metrics
        listenAddress: 0.0.0.0:7203
      sanitization: prometheus
      samplingRate: 1.0

    tagOptions:
      idScheme: quoted

    clusters:
      - namespaces:
          - namespace: default
            type: unaggregated
            retention: 48h
          - namespace: agg_10s_30d
            type: aggregated
            retention: 720h
            resolution: 10s
          - namespace: agg_1m_1y
            type: aggregated
            retention: 8760h
            resolution: 1m
        client:
          config:
            service:
              env: default_env
              zone: embedded
              service: m3db
              cacheDir: /var/lib/m3kv
              etcdClusters:
                - zone: embedded
                  endpoints:
                    - http://etcd-0.etcd.m3db.svc.cluster.local:2379
                    - http://etcd-1.etcd.m3db.svc.cluster.local:2379
                    - http://etcd-2.etcd.m3db.svc.cluster.local:2379
          writeConsistencyLevel: majority
          readConsistencyLevel: unstrict_majority

    # Downsample configuration
    downsample:
      rules:
        mappingRules:
          - name: "10s for 30 days"
            filter: "__name__:*"
            aggregations: ["Last"]
            storagePolicies:
              - resolution: 10s
                retention: 720h
          - name: "1m for 1 year"
            filter: "__name__:*"
            aggregations: ["Last"]
            storagePolicies:
              - resolution: 1m
                retention: 8760h

    # Ingest — Prometheus remote write (uses defaults)
    # ingest:
    #   ingester:
    #     workerPoolSize: 10000

    # Carbon ingestion disabled (uncomment if needed)
    # carbon:
    #   ingester:
    #     listenAddress: "0.0.0.0:7204"