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25 lines
1.2 KiB
Markdown
25 lines
1.2 KiB
Markdown
# Architecture
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Pinpoint is comprised of 3 main components (Agent, Collector, Web UI), and a HBase storage.
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## Components
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### Pinpoint Agent
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Pinpoint Agent attaches itself to a host application (such as Tomcat) as a java agent to instrument various classes for tracing. When a class marked for tracing is loaded into the JVM, the Agent injects code around pre-defined methods to collect and send trace data to the Collector.
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In addition to trace data, the agent also collects various information about the host application such as JVM arguments, loaded libraries, CPU usage, Memory Usage and Garbage Collection.
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For a more detailed information, please take a look [here](dev-profiler.md).
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### Pinpoint Collector
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The Collector listens for data sent by the Agents and writes them into the HBase storage.
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Click [here](dev-collector.md) for more information.
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### Pinpoint Web
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The Web provides users with various information collected by the Agents. These include an automatically generated server map, call stacks on distributed transactions, and various information on the host applications.
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Click [here](dev-web.md) for more information.
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