Ruby agent release notesRSS

v9.2.0

Version 9.2.0 of the agent introduces some performance improvements for working with high numbers of nested actions, and deprecates instrumentation for the memcached and memcache-client gems (with dalli still being supported).

• Feature: Enhance performance for handling high numbers of nested actions

  With Issue#1910, community members @parkerfinch and @travisbell informed us of some CPU spikes and process hangs seen only when using the agent's thread instrumentation, which was enabled by default with v9.0. When thread instrumentation is enabled, instrumented actions taking place within threads are seen and reported on by the agent whereas they would have previously gone unnoticed. This is a great improvement to the agent's usefulness in an async context, and also makes it easier for higher numbers of nested actions to be observed. For example, if an instrumented background job framework (Sidekiq, Resque) kicks off a job that the agent notices and then that job in turn performs actions such as database queries that the agent also instruments, nested actions are seen. However, with very high (10,000+) numbers of actions nested within a single instrumented outer action, the agent would struggle to efficiently crunch through all of the collected data at the time when the outer action finished. The agent should now be much more efficient when any observed action with lots of nested actions is finished. Our performance testing was conducted with hundreds of thousands of nested actions taking place, and we hope that the benefits of thread tracing can now be enjoyed without any drawbacks. Thanks very much @parkerfinch and @travisbell! PR#1927

• Feature: Deprecate memcached and memcache-client instrumentation

  Instrumentation for the memcached and memcache-client libraries is deprecated and will be removed during the next major release.

v9.1.0

A versão 9.1.0 do agente oferece suporte a dois novos recursos do Errors Inbox: impressão digital de erros e rastreamento de usuário, identifica o armazenamento de dados do Amazon Timestream, remove os avisos de distributed tracing dos logs do agente ao usar o Sidekiq, corrige bugs e é testada na versão recém-lançada do JRuby 9.4.2.0.

• Recurso: impressão digital de erro - forneça seus próprios nomes de grupo do Errors Inbox

  Suas ocorrências de erro estão mal agrupadas? Defina sua própria impressão digital de erro via uma função de retorno de chamada. Foi adicionado um novo método set_error_group_callback de API pública que aceitará um proc definido pelo usuário. O proc será invocado para cada erro notado e, sempre que retornar uma string, essa string será usada como o nome do grupo de erros para o erro e terá precedência sobre qualquer agrupamento no lado do servidor que ocorra com o Errors Inbox do New Relic. Isso oferece aos usuários um controle muito maior sobre o agrupamento de seus erros.

  Espera-se que o proc definido pelos clientes receba exatamente um argumento de entrada, um hash. O hash contém o seguinte:

  Chave	Valor
  :error	A instância da classe de erro Ruby. Ofertas #class, #message e #backtrace
  :customAttributes	Quaisquer atributos personalizados definidos pelo cliente para a transação atual
  :'request.uri'	O URI da requisição atual, se disponível
  :'http.statusCode'	O código de status HTTP (200, 404, etc.), se disponível
  :'http.method'	O método HTTP (GET, PUT, etc.), se disponível
  :'error.expected'	Se (verdadeiro) ou não (falso) o erro era esperado
  :'options'	As opções aplicam hash passado para NewRelic::Agent.notice_error

  O retorno de chamada só precisa ser definido uma vez por inicialização do agente da New Relic.

  Exemplo de uso:

  proc = proc { |hash| "Access" if hash[:'http.statusCode'] == 401 }
  NewRelic::Agent.set_error_group_callback(proc)

  Copiar

• Recurso: rastreamento de usuário - associar erros a um ID de usuário

  Agora você pode ver o número de usuários impactados por um grupo de erros. Identifique o usuário final com um novo método de API pública set_user_id que aceitará uma representação de string de um ID de usuário e associará esse ID de usuário à transação atual. Transações e erros terão então um novo atributo de agente enduser.id associado a eles. Isso permitirá que os usuários do agente adicionem tags a transações e erros como pertencentes a determinados IDs de usuário, para dar suporte a recursos aprimorados de filtragem e alerta.

• Identificar o Amazon Timestream quando o adaptador AR amazon_timestream é usado

  Quando o agente detectar a gem activerecord-amazon-timestream-adapter sendo usada, ele agora identificará o armazenamento de dados como “Timestream”. Muito obrigado a @wagner por contribuir com esta melhoria! PR n.º 1872

• Correção de bug: remover avisos relacionados ao distributed tracing dos logs do agente quando os cabeçalhos não estão presentes no Sidekiq

  Anteriormente, o agente registrava um aviso em newrelic_agent.log toda vez que tentava aceitar cabeçalhos de distributed tracing vazios de trabalhos do Sidekiq, o que poderia resultar em um número excessivo de avisos. Agora, o agente não criará mais esses avisos ao usar o Sidekiq. PR#1834

• Correção de bug: registrar cabeçalhos de requisição em logs de nível de depuração em vez de Objetos legíveis por humanos

  Anteriormente, o agente às vezes recebia filhos da classe NewRelic::Agent::HTTPClients::AbstractRequest como argumento quando NewRelic::Agent::Transaction::DistributedTracers#log_request_headers era chamado. Isso fazia com que as mensagens do log de nível de depuração que imprimem os cabeçalhos da requisição mostrassem Objetos legíveis por humanos (ex. #<NewRelic::Agent::HTTPClients::HTTPClientRequest:0x00007fd0dda983e0>) em vez dos cabeçalhos da requisição. Agora, o hash dos cabeçalhos da requisição deve ser sempre registrado no log. PR#1839

• Correção de bug: corrigido o método indefinido controller_path registrado na Instrumentação do Action Controller

  Anteriormente, o agente podia registrar um erro ao tentar determinar o nome da métrica na instrumentação do Action Controller se a classe do controlador não respondesse a controller_path. Isso foi resolvido e o agente não chamará mais esse método, a menos que a classe responda a ele. Agradecemos a @gsar por nos informar sobre esse problema. PR#1844

• Correção de bug: corrige a exceção de Transaction#finish e diminui o nível de log para o aviso relacionado durante transações assíncronas

  Anteriormente, o agente gerava um erro não fatal quando um segmento sem pai estava inacabado quando a transação era concluída. Esse erro era gerado durante a construção de uma mensagem do log de nível warn. Agora que a instrumentação de Thread está ativada por padrão, essa mensagem do log é emitida com mais frequência e é menos preocupante. Nos casos em que vemos um segmento de Thread, Fiber ou concurrent-ruby em uma transação, a mensagem será rebaixada para um nível debug. Agradecemos a @NielsKSchjoedt por criar o problema e a @boomer196 por testar as soluções. PR#1876

• CI: destino JRuby 9.4.2.0

  O agente agora está sendo testado ativamente com o JRuby 9.4.2.0. OBSERVE que esta versão não contém nenhuma alteração não relacionada à CI para o JRuby. Espera-se que as versões antigas do agente ainda funcionem com JRubies mais recentes e que a versão mais recente do agente ainda funcione com JRubies mais antigos.

v9.0.0

Version 9.0.0 of the agent removes several deprecated configuration options and API methods, enables Thread tracing by default, adds Fiber instrumentation, removes support for Ruby versions 2.2 and 2.3, removes instrumentation for several deprecated gems, changes how the API method set_transaction_name works, and updates rails_defer_initialization to be an environment variable only configuration option.

• Remove deprecated configuration options

  The following configuration options have been removed and will no longer work. Please update all configs to use the replacements listed below. PR#1782

• Enable Thread instrumentation by default

  The configuration option instrumentation.thread.tracing is now enabled by default. This configuration allows the agent to properly monitor code occurring inside threads. In Ruby agent 9.0, instrumented code within threads will be recorded and associated with the current transaction when the thread was created.

  This may be a breaking change if you are currently using custom thread instrumentation. New transactions inside of threads will no longer be started if one already exists. PR#1767

• Add Fiber instrumentation

  Fiber instances are now automatically instrumented similarly to Thread instances. This can be configured using instrumentation.fiber. PR#1802

• Removed support for Ruby 2.2 and 2.3

  Ruby 2.2 and 2.3 are no longer supported by the Ruby agent. To continue using the latest Ruby Agent version, please update to Ruby 2.4.0 or above. PR#1778

• Removed deprecated instrumentation

  Instrumentation for the following gems had been previously deprecated and has now been removed. PR#1788

  • Acts As Solr
  • Authlogic
  • DataMapper
  • Rainbows
  • Sunspot

  Versions of the following technologies had been previously deprecated and are no longer supported.

  • Passenger: 2.2.x - 4.0.x
  • Puma: 2.0.x
  • Grape: 0.2.0
  • Padrino: 0.14.x
  • Rails: 3.2.x
  • Sinatra: 1.4.x, 1.5.x
  • Mongo: 1.8.x - 2.3.x
  • Sequel: 3.37.x, 4.0.x
  • Delayed_Job: 2.0.x - 4.0.x
  • Sidekiq: 4.2.x
  • Excon: below 0.55.0
  • HttpClient: 2.2.0 - 2.8.0
  • HttpRb: 0.9.9 - 2.2.1
  • Typhoeus: 0.5.3 - 1.2.x
  • Bunny: 2.0.x - 2.6.x
  • ActiveMerchant: 1.25.0 - 1.64.x

• Updated API method set_transaction_name

  When the method NewRelic::Agent.set_transaction_name is called, it will now always change the name and category of the currently running transaction to what is passed into the method. This is a change from previous agent versions.

  Previously, if set_transaction_name was called with a new transaction name and a new category that did not match the category already assigned to a transaction, neither the new name nor category would be saved to the transaction. If this method is being called in a situation in which it was previously ignored due to category differences, this will now change the name and category of the transaction. PR#1797

• Removed API method: NewRelic::Agent.disable_transaction_tracing

  The deprecated API method NewRelic::Agent.disable_transaction_tracing has been removed. Instead use either NewRelic::Agent#ignore_transaction to disable the recording of the current transaction or NewRelic::Agent.disable_all_tracing to yield a block without collecting any metrics or traces in any of the subsequent calls. PR#1792

• Renamed ActiveJob metrics

  Previously, ActiveJob was categorized as a message broker, which is inaccurate. We've updated the naming of ActiveJob traces from leading with MessageBroker/ActiveJob to simply leading with ActiveJob. PR#1811

• Code cleanup

  Thank you to community member @esquith for contributing some cleanup of orphaned constants in our code base. PR#1793 PR#1794 PR#1808

  Community member @fchatterji helped standardize how we reference NewRelic throughout our codebase PR#1795 and updated our README's community header PR#1815. Thanks fchatterji!

• Bugfix: Allow rails initialization to be deferred by environment variable

  The Ruby agent may force some Rails libraries to load on agent initialization, preventing some settings defined in config/initializers from being applied. Changing the initialization process to run after config/initializers, however, may break the configuration for other gems (ex. Roadie Rails).

  For those having troubles with agent initialization and Rails initializers, you can now pass the environment variable NEW_RELIC_DEFER_RAILS_INITIALIZATION=true to make the agent initialize after config/initializers are run. This config option can only be set using an environment variable and can't be set using YAML. PR#1791

  Thanks to @jdelStrother for bringing this issue to our attention and testing our fixes along the way. Issue#662

v8.16.0

Version 8.16.0 introduces more Ruby on Rails instrumentation (especially for Rails 6 and 7) for various Action*/Active* libraries whose actions produce Active Support notifications events.

• Add Various Ruby on Rails Library Instrumentations

  New instrumentation is now automatically provided by several Action*/Active* libaries that generate Active Support notifications. With each Ruby on Rails release, new the Rails libraries add new events and sometimes existing events have their payload parameters updated as well. The New Relic Ruby agent will now automatically process more of these events and parameters with New Relic segments created for each event. At a minimum, each segment gives timing information for the event. In several cases, all non-sensitive event payload parameters are also passed along in the segment.

  The agent now newly supports or has updated support for the following libraries:

  • Action Cable (for WebSockets) PR#1749
  • Action Controller (for the 'C' in MVC) PR#1744
  • Action Mailbox (for sending mail) PR#1740
  • Action Mailer (for routing mail) PR#1740
  • Active Job (for background jobs) PR#1742
  • Active Support (for caching operations) PR#1742

  The instrumentations for each of these libaries are all enabled by default, but can be independently disabled via configuration by using the following parameters:

  Configuration name	Default	Behavior
  disable_action_cable	false	If true, disables Action Cable instrumentation.
  disable_action_controller	false	If true, disables Action Controller instrumentation.
  disable_action_mailbox	false	If true, disables Action Mailbox instrumentation.
  disable_action_mailer	false	If true, disables Action Mailer instrumentation.
  disable_activejob	false	If true, disables Active Job instrumentation.
  disable_active_support	false	If true, disables Active Support instrumentation.

v8.15.0

Version 8.15.0 of the agent confirms compatibility with Ruby 3.2.0, adds instrumentation for concurrent-ruby, and confirms Sinatra 3 compatibility with Padrino 0.15.2. It also enables batching and compression for Infinite Tracing.

• Add Support for Ruby 3.2.0

  Following the 3.2.0 release of Ruby, the New Relic Ruby agent has confirmed compatibility with and now supports the official release of Ruby 3.2.0. PR#1715

• Add instrumentation for concurrent-ruby

  The agent now instruments the concurrent-ruby gem for versions 1.1.5 and above. This instrumentation provides visibility inside blocks passed to many of the gem's API methods, including Concurrent::Promises.future and Concurrent::Future.execute.

• Infinite Tracing: Use batching and compression

  For Infinite Tracing, which Ruby applications can leverage with the newrelic-infinite_tracing gem, payloads will now be batched and compressed to signficantly decrease the amount of outbound network traffic. PR#1723

• Add Support for Padrino 0.15.2 and Sinatra 3

  We've added testing to confirm Padrino 0.15.2 and Sinatra 3 are compatible with the Ruby agent. Thank you @nesquena for letting us know 0.15.2 was ready! PR#1712

v8.14.0

Version 8.14.0 of the agent restores desired Capistrano-based changelog lookup functionality when a deployment is performed, speeds up GUID generation, delivers support for instrumenting Rails custom event notifications, fixes potential compatibility issues with the RedisClient gem, and fixes bugs related to initialization in Rails.

• Deployment Recipe: Restore desired Capistrano-based changelog lookup behavior

  The New Relic Ruby agent offers a Capistrano recipe for recording app deployments. The recipe code was significantly cleaned up with PR#1498 which inadvertently changed the way the recipe handles the changelog for a deployment. Community member @arthurwozniak spotted and corrected this change in order to restore the desired changelog lookup functionality while retaining all of the previous cleanup. Thank you very much for your contribution, @arthurwozniak! PR#1653

• Speed up GUID generation

  The agent leverages random numbers in its GUID (globally unique identifier) generation and would previously always freshly calculate the result of 16^16 or 32^32 before generating a random number. Given that those 16^16 and 32^32 operations are expected, it makes sense to calculate their results up front and store them in constants to be referred to later. Doing so has resulted in a performance gain for the generation of GUIDs. Many thanks to @tungmq for contributing this optimisation and the benchmarks to support it! PR#1693

• Support for Rails ActiveSupport::Notifications for custom events

  When the new active_support_custom_events_names configuration parameter is set equal to an array of custom event names to subscribe to, the agent will now subscribe to each of the names specified and report instrumentation for the events when they take place. Creating custom events is simple and now reporting instrumentation for them to New Relic is simple as well. PR#1659

• Bugfix: Support older versions of the RedisClient gem, handle unknown Redis database index

  With version 8.13.0 of the agent, support was added for the redis-rb gem v5+ and the new RedisClient gem. With versions of RedisClient older than v0.11, the agent could cause the monitored application to crash when attempting to determine the Redis database index. Version 8.14.0 adds two related improvements. Firstly, support for RedisClient versions older than v0.11 has been added to get at the database index value. Secondly, the agent will no longer crash or impact the monitored application in the event that the database index cannot be obtained. Thank you very much to our community members @mbsmartee and @patatepartie for bringing this issue to our attention, for helping us determine how to best reproduce it, and for testing out the update. We appreciate your help! Issue#1650 PR#1673

• Bugfix: Defer agent startup in Rails until after application-defined initializers have run

  In Rails, the agent previously loaded before any application-defined initializers. This allowed initializers to reference the add_method_tracer API. However, this had the side-effect of forcing some framework libraries to load before initializers ran, preventing any configuration values related to these libraries from being applied. This fix provides an option to split initialization into two parts: load add_method_tracer before application-defined initializers and start the agent after application-defined initializers. This may cause other initializers to behave differently.

  If you'd like to use this feature, set defer_rails_initialization to true. It is false by default, but may become true by default in a future release.

  Furthermore, our Action View instrumentation was missing an ActiveSupport.on_load block around the code that loads our instrumentation.

  Thank you @jdelStrother for bringing this to our attention and collaborating with us on a fix. PR#1658

  Unfortunately, this bugfix is unreachable as written because the configuration value used to access the bugfix won't be applied until after initialization. Follow along for updates at Issue#662.

v8.13.1

Version 8.13.1 of the agent provides a bugfix for Redis v5.0 instrumentation.

• Fix NoMethodError when using Sidekiq v7.0 with Redis Client v0.11

  In some cases, the RedisClient object cannot directly access methods like db, port, or path. These methods are always available on the client.config object. This raised a NoMethodError in environments that used Sidekiq v7.0 and Redis Client v0.11. Thank you to fcheung and @stevenou for bringing this to our attention! Issue#1639

v8.13.0

Version 8.13.0 of the agent updates our Rack, Redis, and Sidekiq instrumentation. It also delivers some bugfixes.

• Support for Redis v5.0

  Redis v5.0 restructures where some of our instrumented methods are located and how they are named. It also introduces a new instrumentation middleware API. This API is used for pipelined and multi calls to maintain reporting parity with previous Redis versions. However, it is introduced later in the chain, so you may see errors that used to appear at the segment level on the transaction instead. The agent's behavior when used with older supported Redis versions will remain unaffected. PR#1611

• Support for Sidekiq v7.0

  Sidekiq v7.0 removed Delayed Extensions and began offering client and server middleware classes to inherit from. The agent's Sidekiq instrumentation has been updated accordingly. The agent's behavior when used with older Sidekiq versions will remain unaffected. PR#1615 NOTE: an issue was discovered with Sidekiq v7.0+ and addressed by Ruby agent v8.13.1. If you are using Sidekiq, please skip Ruby agent v8.13.0 and use v8.13.1 or above.

• Support for Rack v3.0: Rack::Builder#new accepting a block

  Via rack/rack#1942 (released with Rack v3.0), Rack::Builder#run now optionally accepts a block instead of an app argument. The agent's instrumentation has been updated to support the use of a block with Rack::Builder#run. PR#1600

• Bugfix: Correctly identify Unicorn, Rainbows and FastCGI with Rack v3.0

  Unicorn, Rainbows, or FastCGI web applications using Rack v3.0 may previously have had the "dispatcher" value incorrectly reported as "Webrick" instead of "Unicorn", "Rainbows", or "FastCGI". This issue has now been addressed. PR#1585

• Bugfix: add_method_tracer fails to record code level metric attributes on private methods

  When using add_method_tracer on a private method, the agent was unable to record code level metrics for the method. This resulted in the following being logged to the newrelic_agent.log file.

  WARN : Unable to determine source code info for 'Example', method 'private_method' - NameError: undefined method 'private_method' for class '#<Class:Example\>'

  Copiar

  Thank you @jdelStrother for bringing this issue to our attention and suggesting a fix! PR#1593

• Bugfix: Category is a required keyword arg for NewRelic::Agent::Tracer.in_transaction

  When support for Ruby 2.0 was dropped in version 8.0.0 of the agent, the agent API methods were updated to use the required keyword argument feature built into Ruby, rather than manually raising ArgumentErrors. The API method NewRelic::Agent::Tracer.in_transaction removed the ArgumentError raised by the agent, but did not update the method arguments to identify :category as a required keyword argument. This is now resolved. Thank you @tatzsuzuki for bringing this to our attention. PR#1587

Support statement

New Relic recommends that you upgrade the Ruby agent regularly and at a minimum of every 3 months. As of this release, the oldest supported version is 6.8.0.359.