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Java agent config file template

This document contains a templated version of the newrelic.yml file that the Java agent reads for configuration. The config file format is YAML. While no knowledge of YAML is necessary to edit the file, be careful to maintain the proper indentation. Learn more about YAML on Wikipedia.

When making changes to the newrelic.yml file, use a YAML validator to ensure the syntax is accurate and follow these rules:

  • YML files are case sensitive.
  • All indentations are in increments of two characters. Data in the same stanza of the file must use the same level of indentation, and sub-stanzas should be indented by an additional two spaces.

For more information about structure, directories, and settings, see Java agent configuration.

# This file configures the New Relic Agent.  New Relic monitors
# Java applications with deep visibility and low overhead.  For more details and additional
# configuration options visit https://docs.newrelic.com/docs/agents/java-agent/configuration/java-agent-configuration-config-file.
# <%= generated_for_user %>
# This section is for settings common to all environments.
# Do not add anything above this next line.
common: &default_settings

  # ============================== LICENSE KEY ===============================
  # You must specify the license key associated with your New Relic
  # account. For example, if your license key is 12345 use this:
  # license_key: '12345'
  # The key binds your Agent's data to your account in the New Relic service.
  license_key: '<%= license_key %>'

  # Agent Enabled
  # Use this setting to disable the agent instead of removing it from the startup command.
  # Default is true.
  agent_enabled: true

  # Set the name of your application as you'd like it show up in New Relic.
  # If enable_auto_app_naming is false, the agent reports all data to this application.
  # Otherwise, the agent reports only background tasks (transactions for non-web applications)
  # to this application. To report data to more than one application
  # (useful for rollup reporting), separate the application names with ";".
  # For example, to report data to "My Application" and "My Application 2" use this:
  # app_name: My Application;My Application 2
  # This setting is required. Up to 3 different application names can be specified.
  # The first application name must be unique.
  app_name: My Application

  # To enable high security, set this property to true. When in high
  # security mode, the agent will use SSL and obfuscated SQL. Additionally,
  # request parameters and message parameters will not be sent to New Relic.
  high_security: false

  # Set to true to enable support for auto app naming.
  # The name of each web app is detected automatically
  # and the agent reports data separately for each one.
  # This provides a finer-grained performance breakdown for
  # web apps in New Relic.
  # Default is false.
  enable_auto_app_naming: false

  # Set to true to enable component-based transaction naming.
  # Set to false to use the URI of a web request as the name of the transaction.
  # Default is true.
  enable_auto_transaction_naming: true

  # The agent uses its own log file to keep its logging
  # separate from that of your application.  Specify the log level here.
  # This setting is dynamic, so changes do not require restarting your application.
  # The levels in increasing order of verboseness are:
  #   off, severe, warning, info, fine, finer, finest
  # Default is info.
  log_level: info

  # Log all data sent to and from New Relic in plain text.
  # This setting is dynamic, so changes do not require restarting your application.
  # Default is false.
  audit_mode: false

  # The number of backup log files to save.
  # Default is 1.
  log_file_count: 1

  # The maximum number of kbytes to write to any one log file.
  # The log_file_count must be set greater than 1.
  # Default is 0 (no limit).
  log_limit_in_kbytes: 0

  # Override other log rolling configuration and roll the logs daily.
  # Default is false.
  log_daily: false

  # The name of the log file.
  # Default is newrelic_agent.log.
  log_file_name: newrelic_agent.log

  # The log file directory.
  # Default is the logs directory in the newrelic.jar parent directory.

  # Proxy settings for connecting to the New Relic server:
  # If a proxy is used, the host setting is required.  Other settings
  # are optional.  Default port is 8080.  The username and password
  # settings will be used to authenticate to Basic Auth challenges
  # from a proxy server. Proxy scheme will allow the agent to
  # connect through proxies using the HTTPS scheme.
  #proxy_host: hostname
  #proxy_port: 8080
  #proxy_user: username
  #proxy_password: password
  #proxy_scheme: https

  # Limits the number of lines to capture for each stack trace.
  # Default is 30
  max_stack_trace_lines: 30

  # Provides the ability to configure the attributes sent to New Relic. These
  # attributes can be found in transaction traces, traced errors, Insight's
  # transaction events, and Insight's page views.

    # When true, attributes will be sent to New Relic. The default is true.
    enabled: true

    #A comma separated list of attribute keys whose values should
    # be sent to New Relic.

    # A comma separated list of attribute keys whose values should
    # not be sent to New Relic.

  # Transaction tracer captures deep information about slow
  # transactions and sends this to the New Relic service once a
  # minute. Included in the transaction is the exact call sequence of
  # the transactions including any SQL statements issued.

    # Transaction tracer is enabled by default. Set this to false to turn it off.
    # This feature is not available to Lite accounts and is automatically disabled.
    # Default is true.
    enabled: true

    # Threshold in seconds for when to collect a transaction
    # trace. When the response time of a controller action exceeds
    # this threshold, a transaction trace will be recorded and sent to
    # New Relic. Valid values are any float value, or (default) "apdex_f",
    # which will use the threshold for the "Frustrated" Apdex level
    # (greater than four times the apdex_t value).
    # Default is apdex_f.
    transaction_threshold: apdex_f

    # When transaction tracer is on, SQL statements can optionally be
    # recorded. The recorder has three modes, "off" which sends no
    # SQL, "raw" which sends the SQL statement in its original form,
    # and "obfuscated", which strips out numeric and string literals.
    # Default is obfuscated.
    record_sql: obfuscated

    # Set this to true to log SQL statements instead of recording them.
    # SQL is logged using the record_sql mode.
    # Default is false.
    log_sql: false

    # Threshold in seconds for when to collect stack trace for a SQL
    # call. In other words, when SQL statements exceed this threshold,
    # then capture and send to New Relic the current stack trace. This is
    # helpful for pinpointing where long SQL calls originate from.
    # Default is 0.5 seconds.
    stack_trace_threshold: 0.5

    # Determines whether the agent will capture query plans for slow
    # SQL queries. Only supported for MySQL and PostgreSQL.
    # Default is true.
    explain_enabled: true

    # Threshold for query execution time below which query plans will not
    # not be captured.  Relevant only when `explain_enabled` is true.
    # Default is 0.5 seconds.
    explain_threshold: 0.5

    # Use this setting to control the variety of transaction traces.
    # The higher the setting, the greater the variety.
    # Set this to 0 to always report the slowest transaction trace.
    # Default is 20.
    top_n: 20

  # Error collector captures information about uncaught exceptions and
  # sends them to New Relic for viewing.

    # This property enables the collection of errors. If the property is not
    # set or the property is set to false, then errors will not be collected.
    # Default is true.
    enabled: true

    # Use this property to exclude specific exceptions from being reported as errors
    # by providing a comma separated list of full class names.
    # The default is to exclude akka.actor.ActorKilledException. If you want to override
    # this, you must provide any new value as an empty list is ignored.
    ignore_errors: akka.actor.ActorKilledException

    # Use this property to exclude specific http status codes from being reported as errors
    # by providing a comma separated list of status codes.
    # The default is to exclude 404s. If you want to override
    # this, you must provide any new value as an empty list is ignored.
    ignore_status_codes: 404

  # Transaction Events are used for Histograms and Percentiles. Unaggregated data is collected
  # for each web transaction and sent to the server on harvest.

    # Set to false to disable transaction events.
    # Default is true.
    enabled: true

    # Events are collected up to the configured amount. Afterwards, events are sampled to
    # maintain an even distribution across the harvest cycle.
    # Default is 2000. Setting to 0 will disable.
    max_samples_stored: 2000

  # Distributed tracing lets you see the path that a request takes through your distributed system.
  # This replaces the deprecated legacy Cross Application Tracing.
  # https://docs.newrelic.com/docs/apm/transactions/cross-application-traces/introduction-cross-application-traces/

    # Set to false to disable distributed tracing.
    # Default is true.
    enabled: true

    # Agent versions 5.10.0+ utilize both the newrelic header and W3C Trace Context headers for distributed tracing.
    # The newrelic distributed tracing header allows interoperability with older agents that don't support W3C Trace Context headers.
    # Agent versions that support W3C Trace Context headers will prioritize them over newrelic headers for distributed tracing.
    # If you do not want to utilize the newrelic header, setting this to true will result in the agent excluding the newrelic header
    # and only using W3C Trace Context headers for distributed tracing.
    # Default is false.
    exclude_newrelic_header: false

  # Cross Application Tracing adds request and response headers to
  # external calls using supported HTTP libraries to provide better
  # performance data when calling applications monitored by other New Relic Agents.

    # Set to false to disable cross application tracing.
    # Default is true.
    enabled: true

  # Thread profiler measures wall clock time, CPU time, and method call counts
  # in your application's threads as they run.
  # This feature is not available to Lite accounts and is automatically disabled.

    # Set to false to disable the thread profiler.
    # Default is true.
    enabled: true

  # New Relic Real User Monitoring gives you insight into the performance real users are
  # experiencing with your website. This is accomplished by measuring the time it takes for
  # your users' browsers to download and render your web pages by injecting a small amount
  # of JavaScript code into the header and footer of each page.

    # By default the agent automatically inserts API calls in compiled JSPs to
    # inject the monitoring JavaScript into web pages. Not all rendering engines are supported.
    # See https://docs.newrelic.com/docs/agents/java-agent/instrumentation/new-relic-browser-java-agent#manual_instrumentation
    # for instructions to add these manually to your pages.
    # Set this attribute to false to turn off this behavior.
    auto_instrument: true

  # Class transformer can be used to disable all agent instrumentation or specific instrumentation modules.
  # All instrumentation modules can be found here: https://github.com/newrelic/newrelic-java-agent/tree/main/instrumentation
    # This instrumentation reports the name of the user principal returned from
    # HttpServletRequest.getUserPrincipal() when servlets and filters are invoked.
      enabled: false

      enabled: false

    # This instrumentation reports metrics for resultset operations.
      enabled: false

    # Classes loaded by classloaders in this list will not be instrumented.
    # This is a useful optimization for runtimes which use classloaders to
    # load dynamic classes which the agent would not instrument.

  # Real-time profiling using Java Flight Recorder (JFR).
  # This feature reports dimensional metrics to the ingest endpoint configured by
  # metric_ingest_uri and events to the ingest endpoint configured by event_ingest_uri.
  # Both ingest endpoints default to US production but they will be automatically set to EU
  # production when using an EU license key. Other ingest endpoints can be configured manually.
  # Requires a JVM that provides the JFR library.

    # Set to true to enable Real-time profiling with JFR.
    # Default is false.
    enabled: false

    # Set to true to enable audit logging which will display all JFR metrics and events in each harvest batch.
    # Audit logging is extremely verbose and should only be used for troubleshooting purposes.
    # Default is false.
    audit_logging: false

  # User-configurable custom labels for this agent.  Labels are name-value pairs.
  # There is a maximum of 64 labels per agent.  Names and values are limited to 255 characters.
  # Names and values may not contain colons (:) or semicolons (;).

    # An example label
    #label_name: label_value

# Application Environments
# ------------------------------------------
# Environment specific settings are in this section.
# You can use the environment to override the default settings.
# For example, to change the app_name setting.
# Use -Dnewrelic.environment=<environment> on the Java startup command line
# to set the environment.
# The default environment is production.

# NOTE if your application has other named environments, you should
# provide configuration settings for these environments here.

  <<: *default_settings
  app_name: My Application (Development)

  <<: *default_settings
  app_name: My Application (Test)

  <<: *default_settings

  <<: *default_settings
  app_name: My Application (Staging)
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