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| <h1 class="page-header" style="margin-top: 0px">Terminology</h1> |
| <p>Here are some terms we are using in Apache Eagle (called Eagle in the following), please check them for your reference. |
| They are basic knowledge of Eagle which also will help to well understand Eagle.</p> |
| |
| <ul> |
| <li> |
| <p><strong>Site</strong>: a site can be considered as a physical data center. Big data platform e.g. Hadoop<sup id="fnref:HADOOP"><a href="#fn:HADOOP" class="footnote">1</a></sup> may be deployed to multiple data centers in an enterprise.</p> |
| </li> |
| <li> |
| <p><strong>Application</strong>: an application is composed of data integration, policies and insights for one data source.</p> |
| </li> |
| <li> |
| <p><strong>Policy</strong>: a policy defines the rule to alert. Policy can be simply a filter expression or a complex window based aggregation rules etc.</p> |
| </li> |
| <li> |
| <p><strong>Data source</strong>: a data source is a monitoring target data. Eagle supports many data sources HDFS audit logs, Hive<sup id="fnref:HIVE"><a href="#fn:HIVE" class="footnote">2</a></sup> query, MapReduce job etc.</p> |
| </li> |
| <li> |
| <p><strong>Stream</strong>: a stream is the streaming data from a data source. Each data source has its own stream.</p> |
| </li> |
| <li> |
| <p><strong>Data activity monitoring</strong>: Data activity monitoring is to monitor how user exploits data in Hadoop system etc.</p> |
| </li> |
| <li> |
| <p><strong>User profile</strong>: a user profile is the historical activity model generated using machine learning algorithm which could be used for showing insights.</p> |
| </li> |
| <li> |
| <p><strong>Data classification</strong>: data classification provides the ability to classify different data sources with different levels of sensitivity.</p> |
| </li> |
| </ul> |
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| <hr /> |
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| <h4 id="footnotes"><em>Footnotes</em></h4> |
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| <ol> |
| <li id="fn:HADOOP"> |
| <p><em>All mentions of “hadoop” on this page represent Apache Hadoop.</em> <a href="#fnref:HADOOP" class="reversefootnote">↩</a></p> |
| </li> |
| <li id="fn:HIVE"> |
| <p><em>Apache Hive.</em> <a href="#fnref:HIVE" class="reversefootnote">↩</a></p> |
| </li> |
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