StatsD Configuration

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Configuration

This plugin is compatible with DB-less mode.

Compatible protocols

The StatsD plugin is compatible with the following protocols:

grpc, grpcs, http, https, tcp, tls, tls_passthrough, udp, ws, wss

Parameters

Here's a list of all the parameters which can be used in this plugin's configuration:

• name or plugin

  string required

  The name of the plugin, in this case statsd.

  • If using the Kong Admin API, Konnect API, declarative configuration, or decK files, the field is name.
  • If using the KongPlugin object in Kubernetes, the field is plugin.

• instance_name

  string

  An optional custom name to identify an instance of the plugin, for example statsd_my-service.

  The instance name shows up in Kong Manager and in Konnect, so it's useful when running the same plugin in multiple contexts, for example, on multiple services. You can also use it to access a specific plugin instance via the Kong Admin API.

  An instance name must be unique within the following context:

  • Within a workspace for Kong Gateway Enterprise
  • Within a control plane or control plane group for Konnect
  • Globally for Kong Gateway (OSS)

• service.name or service.id

  string

  The name or ID of the service the plugin targets. Set one of these parameters if adding the plugin to a service through the top-level /plugins endpoint. Not required if using /services/{serviceName|Id}/plugins.

• route.name or route.id

  string

  The name or ID of the route the plugin targets. Set one of these parameters if adding the plugin to a route through the top-level /plugins endpoint. Not required if using /routes/{routeName|Id}/plugins.

• consumer.name or consumer.id

  string

  The name or ID of the consumer the plugin targets. Set one of these parameters if adding the plugin to a consumer through the top-level /plugins endpoint. Not required if using /consumers/{consumerName|Id}/plugins.

• enabled

  boolean default: true

  Whether this plugin will be applied.

• config

  record required
  • host

    string default: localhost

    The IP address or hostname of StatsD server to send data to.

  • port

    integer default: 8125 between: 0 65535

    The port of StatsD server to send data to.

  • prefix

    string default: kong

    String to prefix to each metric’s name.

  • metrics

    array of type record default: {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"request_count"}, {"name"=>"latency", "stat_type"=>"timer"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"request_size"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"status_count"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"response_size"}, {"name"=>"unique_users", "stat_type"=>"set"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"request_per_user"}, {"name"=>"upstream_latency", "stat_type"=>"timer"}, {"name"=>"kong_latency", "stat_type"=>"timer"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"status_count_per_user"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"status_count_per_workspace"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"status_count_per_user_per_route"}, {"stat_type"=>"gauge", "sample_rate"=>1, "name"=>"shdict_usage"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"cache_datastore_hits_total"}, {"stat_type"=>"counter", "sample_rate"=>1, "name"=>"cache_datastore_misses_total"}

    List of metrics to be logged. Available values are described under Metrics.

    • name

      string required Must be one of: kong_latency, latency, request_count, request_per_user, request_size, response_size, status_count, status_count_per_user, unique_users, upstream_latency, status_count_per_workspace, status_count_per_user_per_route, shdict_usage, cache_datastore_hits_total, cache_datastore_misses_total

    • stat_type

      string required Must be one of: counter, gauge, histogram, meter, set, timer

    • sample_rate

      number

    • consumer_identifier

      string Must be one of: consumer_id, custom_id, username

    • service_identifier

      string Must be one of: service_id, service_name, service_host, service_name_or_host

    • workspace_identifier

      string Must be one of: workspace_id, workspace_name

  • allow_status_codes

    array of type string

    List of status code ranges that are allowed to be logged in metrics.

  • udp_packet_size

    number default: 0 between: 0 65507

    Combine UDP packet up to the size configured. If zero (0), don’t combine the UDP packet. Must be a number between 0 and 65507 (inclusive).

  • use_tcp

    boolean default: false

    Use TCP instead of UDP.

  • hostname_in_prefix

    boolean default: false

    Include the hostname in the prefix for each metric name.

  • consumer_identifier_default

    string required default: custom_id Must be one of: consumer_id, custom_id, username

    The default consumer identifier of metrics. This takes effect when a metric’s consumer identifier is omitted. Allowed values are custom_id, consumer_id, username.

  • service_identifier_default

    string required default: service_name_or_host Must be one of: service_id, service_name, service_host, service_name_or_host

    The default service identifier of metrics. This takes effect when a metric’s service identifier is omitted. Allowed values are service_name_or_host, service_id, service_name, service_host.

  • workspace_identifier_default

    string required default: workspace_id Must be one of: workspace_id, workspace_name

    The default workspace identifier of metrics. This will take effect when a metric’s workspace identifier is omitted. Allowed values are workspace_id, workspace_name.

  • retry_count

    integer

    Number of times to retry when sending data to the upstream server.

  • queue_size

    integer

    Maximum number of log entries to be sent on each message to the upstream server.

  • flush_timeout

    number

    Optional time in seconds. If queue_size > 1, this is the max idle time before sending a log with less than queue_size records.

  • tag_style

    string Must be one of: dogstatsd, influxdb, librato, signalfx

    The tag style configurations to send metrics with tags. Defaults to nil, which doesn’t add any tags to the metrics. Allowed values are dogstatsd, influxdb, librato, and signalfx.

  • queue

    record required
    • max_batch_size

      number default: 1 between: 1 1000000

      Maximum number of entries to be processed together as a batch.

    • max_coalescing_delay

      number default: 1 between: 0 3600

      Maximum number of seconds (as a fraction) that can elapse after the first entry was queued before the queue starts processing entries. This parameter has no effect when batch_max_size is one because queued entries will be sent immediately in that case.

    • max_entries

      number default: 10000 between: 1 1000000

      Maximum number of entries that can be waiting on the queue. Once this number of requests is reached, the oldest entry is deleted from the queue before a new one is added.

    • max_bytes

      number

      Maximum number of bytes that can be waiting on a queue. Once this many bytes are present on a queue, old entries up to the size of a new entry to be enqueued are deleted from the queue.

    • max_retry_time

      number default: 60

      Time (in seconds) before the queue gives up trying to send a batch of entries. Once this time is exceeded for a batch, it is deleted from the queue without being sent. If his parameter is set to -1, no retries will be made for a failed batch.

    • initial_retry_delay

      number default: 0.01

      Maximum time (in seconds) between retries sending a batch of entries. The interval between retries follows an exponential back-off algorithm capped at this number of seconds.

    • max_retry_delay

      number default: 60