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Prometheus is a free software application used for event monitoring and alerting. [2] It records metrics in a time series database (allowing for high dimensionality ) built using an HTTP pull model , with flexible queries and real-time alerting.
Grafana was first released in 2014 by Torkel Ödegaard as an offshoot of a project at Orbitz. It targeted time series databases such as InfluxDB, OpenTSDB, and Prometheus, but evolved to support relational databases such as MySQL/MariaDB, PostgreSQL and Microsoft SQL Server. [13] In 2019, Grafana Labs secured $24 million in Series A funding. [14]
The core principle of software diagnosis is to automatically extract information from all available information sources of a given software projects such as source code base, project repository, code metrics, execution traces, [6] test results, etc. To combine information, software-specific data mining, analysis, and visualization techniques ...
In software engineering and development, a software metric is a standard of measure of a degree to which a software system or process possesses some property. [ 1 ] [ 2 ] Even if a metric is not a measurement (metrics are functions, while measurements are the numbers obtained by the application of metrics), often the two terms are used as synonyms.
Software testing can provide objective, independent information about the quality of software and the risk of its failure to a user or sponsor. [1] Software testing can determine the correctness of software for specific scenarios but cannot determine correctness for all scenarios. [2] [3] It cannot find all bugs.
release testing of software, including proper documentation of the testing process; examination of software and associated documentation for non-conformance with standards; follow-up review of software to ensure any required changes detailed in previous testing are addressed; application of software measurement and metrics for assessment
Specify test data needed and charter effort (often overlooked, but vital to carrying out a valid performance test). Develop proof-of-concept scripts for each application/component under test, using chosen test tools and strategies. Develop detailed performance test project plan, including all dependencies and associated timelines.
Halstead's goal was to identify measurable properties of software, and the relations between them. This is similar to the identification of measurable properties of matter (like the volume, mass, and pressure of a gas) and the relationships between them (analogous to the gas equation). Thus his metrics are actually not just complexity metrics.