Updated the overview section
Added limitations Fixed a typo Removed sentence about use of root fs. Change-Id: Idf73ad3e49406aedcc8880e11c663f017ed476c2
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Patrick Petit
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0125b78ba9
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@ -25,36 +25,46 @@ Requirements
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+------------------------+------------------------------------------------------------------------------------------+
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| **Requirement** | **Version/Comment** |
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+========================+==========================================================================================+
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| Disk space | At least 55GB |
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| Disk space | The plugin's specification requires to provision at least 15GB of disk space for the |
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| | system, 10GB for the logs and 30GB for the database. As a result, the installation |
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| | of the plugin will fail if there is less than 55GB of disk space available on the node. |
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+------------------------+------------------------------------------------------------------------------------------+
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| Fuel | Mirantis OpenStack 8.0 |
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+------------------------+------------------------------------------------------------------------------------------+
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| Hardware configuration | The hardware configuration (RAM, CPU, disk) required by this plugin depends on the size |
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| | of your cloud and other parameters like the log level being used. |
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| | of your cloud environment and other parameters like the retention period and log level. |
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| | |
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| | A typical setup would at least require a quad-core server with 8GB of RAM and fast disks |
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| | (ideally, SSDs). |
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| | |
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| | It is also highly recommended to use dedicated disk(s) for your data storage. Otherwise, |
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| | Elasticsearch will use the root filesystem by default. |
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| | (ideally, SSDs). The actual disk space you need to run the plugin depends on several |
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| | factors including the size of your OpenStack environment, the retention period, the |
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| | logging level and workload. The more of the above, the more disk space you will need to |
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| | run the Elaticsearch-Kibana Plugin. It is also highly recommended to use dedicated |
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| | disk(s) for your data storage. |
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+------------------------+------------------------------------------------------------------------------------------+
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Limitations
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-----------
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Currently, the maximum size of an Elasticsearch cluster that can be installed by Fuel is limited to five nodes.
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Each node of an Elasticsearch cluster is configured as *master candidate* and a *storage node*.
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This means, that each node of the Elasticsearch cluster can be elected as a master and all nodes will store data.
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Key terms, acronyms and abbreviations
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-------------------------------------
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+----------------------------+--------------------------------------------------------------------------------------------+
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| **Terms & acronyms** | **Definition** |
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+============================+============================================================================================+
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| LMA Collector | Logging, Monitoring and Alerting (LMA) Collector. A service running on each node which |
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| | collects all the logs and the OpenStak notifications. |
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+----------------------------+--------------------------------------------------------------------------------------------+
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| Elasticsearch | An open source (Apache Licensed) application based on the Lucene™ search engine that makes|
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| | data like log messages easy to explore and correlate. |
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| | |
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| | Elasticsearch is written in Java and uses Lucene internally for all of its indexing and |
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| | searching, but it aims to make full-text search easy by hiding the complexities of Lucene |
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| | behind a simple, coherent, RESTful API. |
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+----------------------------+--------------------------------------------------------------------------------------------+
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| Kibana | An open source (Apache Licensed), browser based analytics and search dashboard for |
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| | Elasticsearch. Kibana is easry to setup and start using. |
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+----------------------------+--------------------------------------------------------------------------------------------+
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+----------------------------+--------------------------------------------------------------------------------------+
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| **Terms & acronyms** | **Definition** |
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+============================+======================================================================================+
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| LMA Collector | Logging, Monitoring and Alerting (LMA) Collector. A service running on each node |
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| | which collects all the logs and the OpenStak notifications. |
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+----------------------------+--------------------------------------------------------------------------------------+
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| Elasticsearch | An open source (Apache Licensed) application based on the Lucene™ search engine |
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| | that makes data like log messages easy to explore and correlate. |
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| | |
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| | Elasticsearch is written in Java and uses Lucene internally for all of its indexing |
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| | and searching, but it aims to make full-text search easy by hiding the complexities |
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| | of Lucene behind a simple, coherent, RESTful API. |
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+----------------------------+--------------------------------------------------------------------------------------+
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| Kibana | An open source (Apache Licensed), browser based analytics and search dashboard for |
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| | Elasticsearch. Kibana is easry to setup and start using. |
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+----------------------------+--------------------------------------------------------------------------------------+
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