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Node.js agent v1.13.3

November 13, 2014


The end-of-life date for this agent version is July 29, 2019. To update to the latest agent version, see Update the agent. For more information, see End-of-life policy.


  • Fixed a bug in Cross Application Tracing where the agent would sometimes attempt to set a header after headers had already been sent.

  • Replaced the logger with one that is handles file writes properly lowering overall resource usage.

    This is a small change with a large impact. fs.createWriteStream returns whether data was queued or not. If it is queued it is recommended to wait on a drain event but this isn't mandatory. Most loggers we've found ignore this event which leads to many writes getting buffered and a rapid increase in native heap size as well as lowering the process's ability to respond to requests.

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