github.com/go-graphite/carbonapi@v0.17.0/cmd/carbonapi/carbonapi.example.clickhouse.yaml

# Need to be URL, http or https
# This url specifies the backend or a loadbalancer
#
# If you are using carbonzipper you should set it to
# zipper's url
#
# If you are using plain go-carbon or graphite-clickhouse
# you should set it to URL of go-carbon's carbonserver module
# or graphite-clickhouse's http url.
# Listen address, should always include hostname or ip address and a port.
listen: "localhost:8081"
# Controls headers that would be passed to the backend
headersToPass:
  - "X-Dashboard-Id"
  - "X-Grafana-Org-Id"
  - "X-Panel-Id"
# Max concurrent requests to CarbonZipper
concurency: 1000
cache:
   # Type of caching. Valid: "mem", "memcache", "null"
   type: "mem"
   # Cache limit in megabytes
   size_mb: 0
   # Default cache timeout value. Identical to DEFAULT_CACHE_DURATION in graphite-web.
   defaultTimeoutSec: 60
   # Only used by memcache type of cache. List of memcache servers.
   memcachedServers:
       - "127.0.0.1:1234"
       - "127.0.0.2:1235"
# Amount of CPUs to use. 0 - unlimited
cpus: 0
# Timezone, default - local
tz: ""

# By default, functions like aggregate inherit tags from first series (for compatibility with graphite-web)
# If set to true, tags are extracted from seriesByTag arguments
#extractTagsFromArgs: false
functionsConfig:
    graphiteWeb: ./graphiteWeb.example.yaml
maxBatchSize: 0
graphite:
    # Host:port where to send internal metrics
    # Empty = disabled
    host: ""
    interval: "60s"
    prefix: "carbon.api"
    # rules on how to construct metric name. For now only {prefix} and {fqdn} is supported.
    # {prefix} will be replaced with the content of {prefix}
    # {fqdn} will be repalced with fqdn
    pattern: "{prefix}.{fqdn}"
# Maximium idle connections to carbonzipper
idleConnections: 1000
pidFile: ""
# See https://github.com/go-graphite/carbonzipper/blob/master/example.conf#L70-L108 for format explanation
upstreams:
    # Number of 100ms buckets to track request distribution in. Used to build
    # 'carbon.zipper.hostname.requests_in_0ms_to_100ms' metric and friends.
    # Requests beyond the last bucket are logged as slow (default of 10 implies
    # "slow" is >1 second).
    # The last bucket is _not_ called 'requests_in_Xms_to_inf' on purpose, so
    # we can change our minds about how many buckets we want to have and have
    # their names remain consistent.
    buckets: 10
    timeouts:
        find: "10s"
        render: "50s"
        connect: "200ms"
    # Number of concurrent requests to any given backend - default is no limit.
    # If set, you likely want >= MaxIdleConnsPerHost
    concurrencyLimitPerServer: 1000

    # Configures how often keep alive packets will be sent out
    keepAliveInterval: "30s"

    # Control http.MaxIdleConnsPerHost. Large values can lead to more idle
    # connections on the backend servers which may bump into limits; tune with care.
    maxIdleConnsPerHost: 1000
    backendsv2:
        backends:
          -
            groupName: "clickhouse-cluster1"
            # supported:
            #    carbonapi_v2_pb - carbonapi 0.11 or earlier version of protocol.
            #    carbonapi_v3_pb - new protocol, http interface (native)
            #    carbonapi_v3_grpc - new protocol, gRPC interface (native)
            #    protobuf, pb, pb3 - same as carbonapi_v2_pb
            #    msgpack - protocol used by graphite-web 1.1 and metrictank
            #    auto - carbonapi will do it's best to guess if it's carbonapi_v3_pb or carbonapi_v2_pb
            #
            #  non-native protocols will be internally converted to new protocol, which will increase memory consumption
            protocol: "carbonapi_v2_pb"
            # supported:
            #    "broadcast" - send request to all backends in group and merge responses. This was default behavior for carbonapi 0.11 or earlier
            #    "roundrobin" - send request to one backend.
            #    "all - same as "broadcast"
            #    "rr" - same as "roundrobin"
            lbMethod: "rr"
            # amount of retries in case of unsuccessful request
            maxTries: 3
            # amount of metrics per fetch request. Default: 0 - unlimited. If not specified, global will be used
            maxBatchSize: 0
            # interval for keep-alive http packets. If not specified, global will be used
            keepAliveInterval: "30s"
            # override for global concurrencyLimit.
            concurrencyLimit: 1000
            # override for global maxIdleConnsPerHost
            maxIdleConnsPerHost: 1000
            # per-group timeout override. If not specified, global will be used.
            # Please note that ONLY min(global, local) will be used.
            timeouts:
                # Maximum backend request time for find requests.
                find: "10s"
                # Maximum backend request time for render requests. This is total one and doesn't take into account in-flight requests.
                render: "50s"
                # Timeout to connect to the server
                connect: "200ms"
            servers:
                - "http://127.0.0.2:8080"
                - "http://127.0.0.3:8080"
          -
            groupName: "clickhouse-cluster-2"
            protocol: "carbonapi_v2_pb"
            lbMethod: "rr"
            maxTries: 3
            maxBatchSize: 0
            keepAliveInterval: "30s"
            concurrencyLimit: 1000
            maxIdleConnsPerHost: 1000
            timeouts:
                find: "10s"
                render: "50s"
                connect: "200ms"
            servers:
                - "http://127.0.0.4:8080"
                - "http://127.0.0.5:8080"
# If not zero, enabled cache for find requests
# This parameter controls when it will expire (in seconds)
# Default: 600 (10 minutes)
graphTemplates: graphTemplates.example.yaml
expireDelaySec: 10
# Uncomment this to get the behavior of graphite-web as proposed in https://github.com/graphite-project/graphite-web/pull/2239
# Beware this will make darkbackground graphs less readable
#defaultColors:
#      "red": "ff0000"
#      "green": "00ff00"
#      "blue": "#0000ff"
#      "darkred": "#c80032"
#      "darkgreen": "00c800"
#      "darkblue": "002173"
logger:
    - logger: ""
      file: "stderr"
      level: "debug"
      encoding: "console"
      encodingTime: "iso8601"
      encodingDuration: "seconds"
    - logger: ""
      file: "carbonapi.log"
      level: "info"
      encoding: "json"