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Table of Contents


ConceptDefinitionRelated Topics
AnalyzerBatch that analyzes the source code to compute snapshots.See Architecture Overview.

Batch that runs the analyzers.

See Architecture Overview.


  • configuration
  • snapshots
See Architecture Overview.
Server Web Server that is used to browse snapshot data and make configuration changesSee Architecture Overview .



ConceptDefinitionRelated Topics

Check = Coding Rule.

Coding Rule

A good coding practice. Not complying to coding rules leads to quality flaws and creation of issues in SonarQube.

Coding rules can check quality on files, unit tests or packages.

See Viewing Unit Tests > Issues Tab
ComponentA piece of software (project, module/package, file) or a view or a developer. 

A property of a component. Examples: number of lines of code, complexity, etc.

A metric may be either:

  • qualitative: gives a quality indication on the component (ex: density of duplicated lines, line coverage by unit tests, etc.)
  • or quantitative: does not give a quality indication on the component (ex: number of lines of code, complexity, etc.)

The value of the metric for a given component is called measure.

See detailed documentation on metrics.

The value of a metric for a given component at a given time.


  • 125 lines of code on class MyClass
  • Density of duplicated lines of 30.5% on project myProject
Quality Profile

A set of coding rules.

Each snapshot is based on a single quality profile.

See Quality Profiles.

A set of measures and issues on a given component at a given time.

A snapshot is generated for each analysis.


When a component does not comply with a coding rule, an issue is logged (was violation prior to SonarQube 3.6) on the snapshot.

An issue can be logged on a source file or a unit test file.


Web Interface


ConceptDefinitionRelated Topics

Web page that provides a way to display any data stored in the database.

A dashboard is a set of widgets.

See Dashboards.


It is a box that displays aggregate data on a dashboard.

There are two types of widget:

  • Global widget - displays data from multiple projects
  • Project widget - displays data from a specific project


DrilldownA file-specific presentation of measure data. Some metrics have specialized presentations.

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