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CHANGELOG.md

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0.14.10

  • Fix NPE if cloud provider is not specified
  • Minor internal cleanups

0.14.9

  • Some additional tweaks to flushing code
  • Minor refactorings

0.14.8

  • Fix bug in rate calculation for Datadog

0.14.7

  • Fix bug introduced in 0.14.6 in Datadog backend when invalid hostname was sent for metrics
  • Set tags for own metrics (#55)
  • Add expvar support
  • Minor internals refactoring and optimization

0.14.6

  • Limit max concurrent events (#24)
  • Memory consumption optimizations

0.14.5

  • Improved and reworked tags support; Unicode characters are preserved now.
  • Minor internals refactoring and optimization

0.14.4

  • Send start and stop events (#21)
  • Linux binary is now built inside of Docker container rather than on the host

0.14.3

  • Fix data race in Datadog backend (#44)
  • Minor internals refactoring

0.14.2

  • Fix batching support in Datadog backend

0.14.1

  • Better Graphite support (#35)
  • Minor internals refactoring

0.14.0

  • Update to Alpine 3.4
  • Cap request size in Datadog backend (#27)
  • Set timeouts on Dials and tcp sends (#23)
  • Reuse HTTP connections in Datadog backend

0.13.4

  • Async rate limited cloud provider lookups (#22, #3)
  • Internals refactoring

0.13.3

  • Add configurable CPU profiler endpoint

0.13.2

  • Increase default Datadog timeouts to reduce number of errors in the logs

0.13.1

  • Log intermediate errors in Datadog backend
  • Consistently set timeouts for AWS SDK service clients
  • Update all dependencies
  • Fix Datadog backend retry error #18
  • Various internal improvements

0.13.0

  • Fix goroutine start bug in dispatcher - versions 0.12.6, 0.12.7 do not work properly
  • Datadog events support

0.12.7

  • Remove deprecated -f flag passed to Docker tag command
  • Rename num_stats back to numStats to be compatible with original statsd

0.12.6

  • null backend to do benchmarking
  • Internals refactoring

0.12.5

  • Implement negative lookup cache (#8)
  • Read configuration from environment, flags and config

0.12.4

  • Do not multiply number of metric workers

0.12.3

  • Do not replace dash and underscore in metric names and tags

0.12.2

  • Fix handling of NaN specific case
  • Minor refactorings for linter

0.12.1

  • Use pointer to metric instead of passing by value
  • Optimise (5-10x) performance of line parser

0.12.0

  • Revert dropping message and block instead
  • Use different values for number of worker to read from socket, process messages and metrics
  • Minor fixes and performance improvements
  • Calculate per second counters since last flush time instead of interval

0.11.2

  • Process internal stats as standard metrics
  • Add benchmarks
  • Improve performance for buffering data out of the socket
  • Drop messages and metrics instead of blocking when overloaded

0.11.1

  • Normalize tags consistently but don't force lower case for metric names

0.11.0

  • Add support for cloud plugins to retrieve host information e.g. instance id, aws tags, etc.

0.10.4

  • Add load testing tool

0.10.3

  • Performance improvements for receiver and aggregator

0.10.2

  • Use goroutines to read net.PacketConn instead of buffered channel

0.10.1

  • Graphite: replace dots by underscores in metric name (tags)
  • Limit concurrency by using buffered channels for incoming messages
  • Discard empty tags
  • Datadog: add retries on post errors

0.10.0

  • Add support for default tags

0.9.1

  • statsd backend: ensure not going over the udp datagram max size on metrics send
  • Datadog: normalise tags to always be of form "key:value"

0.9.0

  • Reset counters, gauges, timers, etc. after an expiration delay
  • Datadog: add interval to metric payload
  • Datadog: use source ip address as hostname

0.8.5

  • Remove extraneous dot in metric names for stdout and graphite backends when no tag
  • Add more and improve internal statsd stats

0.8.4

  • Datadog: set dogstatsd version and user-agent headers
  • Datadog: use rate type for per second metric

0.8.3

  • Fix issue with tags overwriting metrics without tags

0.8.2

  • Fix undesired overwriting of metrics

0.8.1

  • Datadog: rollback change to metric names for preserving backward compatibility

0.8.0

  • Add more timers aggregations e.g. mean, standard deviation, etc.

0.7.1

  • Improve graphite backend reliability by re-opening connection on each metrics send
  • Fix value of metrics displayed in web UI
  • Improve web console UI look'n'feel

0.7.0

  • Add statsd backend

0.6.0

  • Add support for global metrics namespace
  • Datadog: remove api url from config

0.5.0

  • Add support for "Set" metric type

0.4.2

  • Datadog: send number of metrics received
  • Use appropriate log level for errors

0.4.1

  • Remove logging the url on each flush in datadog backend
  • Use alpine base image for docker instead of scratch to avoid ca certs root error

0.4.0

  • Add datadog backend

0.3.1

  • Fix reset of metrics

0.3.0

  • Implement tags handling: use tags in metric names

0.2.0

  • Implement support for pluggable backends
  • Add basic stdout backend
  • Configure backends via toml, yaml or json configuration files
  • Add support for tags and sample rate

0.1.0

  • Initial release