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CHANGELOG.md

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Version 0.10.1

  • Add ability to force reporter to start at startup via LIBRATO_AUTORUN

Version 0.10.0

  • Add render instrumentation metrics
  • Add cache instrumentation metrics
  • Add metrics on HTTP method use
  • Rack middleware now racks itself first, improving value of rack metrics (Thibaud Guillaume-Gentil)
  • Add ability to control startup with LIBRATO_AUTORUN
  • Add ability to force startup in console mode with LIBRATO_AUTORUN
  • Refactor to use librato-rack
  • Remove old deprecated heroku-specific stats
  • Fix startup bug when using unicorn with preload false
  • Fix bug where grouped instrumentation could lose some options
  • Sign gem when building
  • Documentation improvements

Version 0.9.0

  • Bump librato-metrics dependency version for new functionality

Version 0.8.2

  • Allow override of logging location (Rick Martinez)

Version 0.8.1

  • Bump librato-metrics to fix issue with Rails 3.1.6

Version 0.8.0

  • Add support for terser LIBRATO_ prefixed environment variables
  • Deprecate LIBRATO_METRICS_ prefixed environment variables
  • Always check worker, not just in forking servers
  • Refactor configuration/logging functionality into standalone modules

Version 0.7.3

  • More resilient handling of invalid metric/source names
  • Don't start if provided source is invalid

Version 0.7.2

  • Relax multi_json version requirement to allow running with Rails 3.1/3.0
  • Fix exception if current environment is not in config file
  • Always respect LIBRATO_METRICS_LOG_LEVEL env variable for easier startup debugging
  • Add more debugging statements in startup sequence

Version 0.7.1

  • Support for Passenger 4 (James Miller)

Version 0.7.0

  • Add configurable log_level for easier debugging
  • Show settings during startup in debug mode
  • Logs are now redirected to be visible when running on Heroku
  • Fix running with unicorn on Heroku
  • Don't start on Heroku without an explicit source being set
  • Improve log messages
  • Clean up tracing output for measurements
  • Remove redundant per-measurement time tracking
  • Add some initial benchmarks of instrumenting performance
  • Added troubleshooting and heroku setup sections to README
  • Documentation improvements

Version 0.6.0

  • Add support for custom sources per measurement via increment
  • Add support for custom sources per measurement via measure/timing
  • Add support for sporadic (non-continuous) increment metrics
  • Aggregate metrics by source by default
  • Don't append pids to sources by default anymore
  • Start extracting collector behaviors into Collector
  • measure/timing metrics prefix now updates dynamically if .prefix changes after startup
  • Fix issue with some helpers not being found when running on unicorn
  • Fix issue with sometimes attempting submission without full credentials
  • Documentation improvements

Version 0.5.2

  • Fix bug where measure/timing events don't apply global prefix properly
  • Fix bug where increment events could have missing values if not called

Version 0.5.1

  • Remove old helper libs which may cause load conflict for rails helpers
  • Don't lock mutex during duration of timing blocks

Version 0.5.0

  • Support block form of timing
  • Config option to disable pid inclusion in source (Chris Roby)
  • Change prefix handling to be global for all reported metrics
  • Fix misassignment of source to prefix

Version 0.4.1

  • Fix whitespace-before-params warning.

Version 0.4.0

  • Support ERB config file using env variables. (Justin Smestad)
  • Precedence changed to favor YAML config (if present) over env vars. Mirrors Heroku add-on model. (Justin Smestad)
  • Report counters as gauge increments instead.

Version 0.3.1

  • Fix config file fields to match new env variables

Version 0.3.0

  • Rename to librato-rails
  • Change env variables to LIBRATO_METRICS_USER and LIBRATO_METRICS_TOKEN

Version 0.2.0

  • Add rack middleware component (Pat Allan)
  • Fix config file detection (Rafael Chacon)