Wavefront Libraries 4.25

• Proxy: fix Java 9 compatibility issue
• Proxy: support tagged Graphite format
• Proxy: add delta support for counters
• Proxy: support asynchronous logging of raw valid points
• Proxy: implement default log retention policy
• Proxy: use safer wait times during shutdown under queueing pressure
• Proxy: update default HTTP timeout
• Proxy: notify user on proxy start if service is already running
• Proxy: cache results of reverse DNS lookups
• Proxy: support preprocessor rules for JSON metrics (port 4878)
• Proxy: histogram fix: stop extending digest "ripeness" window indefinitely if data keeps arriving
• Updated dependencies: Jackson 2.9.2

Wavefront Libraries 4.24

• Update Jetty dependency to 9.4.7 (CVE-2017-9735)

Wavefront Libraries 4.23

• java-client: Fix bug #203
• java-lib: Improve JSON metrics generation (Use intermittent in-memory structure to store gauges)

Wavefront Libraries 4.22

java-lib: Fix issue with stale JVM metrics

Wavefront Libraries 4.21

Proxy: Configurable httpClient connection settings (httpMaxConnTotal, httpMaxConnPerRoute, httpAutoRetries)
Proxy: Fixed bug with handling of blocked points
Proxy: Make timestamp field in OpenTSDB/HTTP format optional
Proxy: Fixed bug with "version" command in OpenTSDB/HTTP protocol not working properly
Proxy: Warn when attempting to start proxy as a service under docker
Proxy: Fixed bug with buffer.queue-time metric being skewed on systems with clock drift
Proxy: Accept sourceTag metadata and data points on the same port
Proxy: Configurable maxBurstSeconds for the rate limiter (default to 10 to match the back-end configuration)
java-lib: Sanitize dynamically generated JVM metric names
java-lib: Improve performance of WavefrontHistogram

Wavefront Libraries 4.20

yammer-metrics: Support tags for timer metrics

Wavefront Libraries 4.19

dropwizard-metrics: Support VCAP_SERVICES for PCF reporter
Proxy: update dockerfile

Wavefront Libraries 4.18

Proxy: Enable fail fast response for malformed OpenTSDB/HTTP requests
Proxy: Fix bug in OpenTSDB/Plaintext protocol with data points without tags not going through
dropwizard-metrics: Add builder methods to PCF reporter
Dependency upgrade: Jetty (9.4.5.v20170502 to 9.4.6.v20170531)

Wavefront Libraries 4.17

java-lib: Fix issue with Avro 1.8 compatibility

Wavefront Libraries 4.16

java-lib: Fix timing issue in ReconnectingSocket