Kamon - Distributed Tracing, Metrics and Context Propagation for application running on the JVM

	Commit message (Collapse)	Author	Age	Files	Lines
*	make it compile for Scala 2.11 and 2.12	Ivan Topolnjak	2017-06-06	1	-34/+0
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*	trying to flatten out the structure and eliminate the notion of entitites	Ivan Topolnjak	2017-05-25	1	-4/+4
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*	implement HdrHistogram and Distribution snapshots	Ivan Topolnjak	2017-04-27	1	-4/+27
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*	bring the new skeleton into place	Ivan Topolnjak	2017-04-24	1	-0/+11
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*	Prepare for the major cleanup	Ivan Topolnjak	2017-04-24	1	-65/+0
\| \| \| \| \| \|	Moved all the original files from src/main to src/legacy-main, same with test files. Also removed the autoweave module, examples and bench as I'm planning to have them in separate repositories.
*	Cas collect compatibility with earlier jvms (#399)	Ivan Topolnjak	2016-10-04	1	-1/+1
\| \| \| \|	! core: introduce CAS for safer counter collection and inline implementation of Unsafe.getAndSetLong for <jdk8 compatibility.
*	+ core: provide generic way to scale time and memory metrics	Eugene Platonov	2015-12-01	1	-0/+5
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*	! all: improve the metric recorders infrastructure	Ivan Topolnjak	2015-01-24	1	-7/+8
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*	+ core: inline jsr166 to remove dependency	Diego	2014-08-09	1	-1/+1
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*	! all: refactor the core metric recording instruments and accomodate UserMetrics	Ivan Topolnjak	2014-07-03	1	-0/+59
	This PR is including several changes to the kamon-core, most notably: - Formalize the interface for Histograms, Counters and MinMaxCounters. Making sure that the interfaces are as clean as possible. - Move away from the all Vector[Measurement] based Histogram snapshot to a new approach in which we use a single long to store both the index in the counts array and the frequency on that bucket. The leftmost 2 bytes of each long are used for storing the counts array index and the remaining 6 bytes are used for the actual count, and everything is put into a simple long array. This way only the buckets that actually have values will be included in the snapshot with the smallest possible memory footprint. - Introduce Gauges. - Reorganize the instrumentation for Akka and Scala and rewrite most of the tests of this components to avoid going through the subscription protocol to test. - Introduce trace tests and fixes on various tests. - Necessary changes on new relic, datadog and statsd modules to compile with the new codebase. Pending: - Finish the upgrade of the new relic to the current model. - Introduce proper limit checks for histograms to ensure that we never pass the 2/6 bytes limits. - More testing, more testing, more testing. - Create the KamonStandalone module.