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Ruby agent v3.11.2.286

April 5, 2015Download


  • Better naming for Rack::URLMap

    If a Rack app made direct use of Rack::URLMap, instrumentation would miss out on using the clearest naming based on the app class. This has been fixed.

  • Avoid performance regression in makara database adapter

    Delegation in the makara database adapter caused performance issues when the agent looked up a connection in the pool. The agent now uses a faster lookup to work around this problem in makara, and allocates less as well. Thanks Mike Nelson for the help in resolving this!

  • Allow audit logging to STDOUT

    Previously audit logs of the agent's communication with New Relic could only write to a file. This prevented using the feature on cloud providers like Heroku. Now STDOUT is an allowed destination for audit_log.path. Logging can also be restricted to certain endpoints via audit_log.endpoints.

    For more information see https://docs.newrelic.com/docs/agents/ruby-agent/installation-configurat...

  • Fix for crash during startup when Rails required but not used

    If an application requires Rails but wasn't actually running it, the Ruby agent would fail during startup. This has been fixed.

  • Use IO.select explicitly in the event loop

    If an application adds their own select method to Object/Kernel or mixes in a module that overrides the select method (as with ActionView::Helpers) we would previously have used their implementation instead of the intended IO.select, leading to all sorts of unusual errors. We now explicitly reference IO.select in the event loop to avoid these issues.

  • Fix for background thread hangs on old Linux kernels

    When running under Ruby 1.8.7 on Linux kernel versions 2.6.11 and earlier, the background thread used by the agent to report data would hang, leading to no data being reported. This has been be fixed.

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