Directories
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| Path | Synopsis |
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config
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Package event contains functionality related to APM event extraction from traces.
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Package event contains functionality related to APM event extraction from traces. |
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metrics
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Package obfuscate implements quantizing and obfuscating of tags and resources for a set of spans matching a certain criteria.
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Package obfuscate implements quantizing and obfuscating of tags and resources for a set of spans matching a certain criteria. |
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Package pb contains the data structures used by the trace agent to communicate with tracers and the Datadog API.
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Package pb contains the data structures used by the trace agent to communicate with tracers and the Datadog API. |
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Package sampler contains all the logic of the agent-side trace sampling Currently implementation is based on the scoring of the "signature" of each trace Based on the score, we get a sample rate to apply to the given trace Current score implementation is super-simple, it is a counter with polynomial decay per signature.
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Package sampler contains all the logic of the agent-side trace sampling Currently implementation is based on the scoring of the "signature" of each trace Based on the score, we get a sample rate to apply to the given trace Current score implementation is super-simple, it is a counter with polynomial decay per signature. |
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quantile
Package quantile implements "Space-Efficient Online Computation of Quantile Summaries" (Greenwald, Khanna 2001): http://infolab.stanford.edu/~datar/courses/cs361a/papers/quantiles.pdf This implementation is backed by a skiplist to make inserting elements into the summary faster.
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Package quantile implements "Space-Efficient Online Computation of Quantile Summaries" (Greenwald, Khanna 2001): http://infolab.stanford.edu/~datar/courses/cs361a/papers/quantiles.pdf This implementation is backed by a skiplist to make inserting elements into the summary faster. |
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test
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testutil
Package testutil provides easy ways to generate some random or deterministic data that can be use for tests or benchmarks.
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Package testutil provides easy ways to generate some random or deterministic data that can be use for tests or benchmarks. |
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Package traceutil contains functions for extracting and processing traces.
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Package traceutil contains functions for extracting and processing traces. |
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