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This chapter describes how to monitor Pramati Web Server using the Console. You can monitor information regarding the running Default Server and virtual hosts, if any.
On the Console, select Monitor > Web Server in the Explore panel. This provides the following information in the display panel.
Table 1: Details for the Web Server
| Field | Description |
|---|---|
| Name | The domain name by which you want to set up the virtual host. DNS should be able to resolve this Host Name entry. |
| Document Root | The Document Root location from where the Server serves the requested files as *.html, *.gif, *.jsp. This is different from the default doc root of the Server, which is <install_dir>\server\nodes\<node_name>\archives\public_html |
| Hits | The number of hits on the Server. |
| Sessions | The number of sessions running on the Server. |
| Errors | The number of errors logged. |
| Statistics | Clicking Statistics displays details about the start time of the application, the traffic, the sessions, the types, and number of errors. |
| Graph | Clicking Graph displays a graphical representation of the report. |
Table 2: Details for Web Server statistics
| Fields | Options | Description |
|---|---|---|
| Traffic | - | Displays the number of hits for different applications. |
| - | Application | Refers to the application name. |
| - | Page Requests | Refers to the number of requests made. |
| - | Sessions | Refers to the total number of sessions of an applications. |
| - | Graph (indicated by the graph icon) | Clicking on the graph on the right hand side of this row, displays the graphical representation of data collected for the number of hits made on an application over a period of time. |
| Errors | - | Displays the errors that were prompted. |
| - | Total | Refers to the total number of errors. |
| - | Types and Hits | Refers to the code assigned for every response and the count of the responses received. |
| - | Graph (indicated by the graph icon) | Clicking on the graph displays the graphical representation of data collected for the number of errors faced over a period of time. |
| Cache | - | Displays the details about the application cache. |
| - | Rule Type | This represents the types of rules: cache, avoid-cache, or application-invalidation-rule. Cache-rule is responsible for caching the content and hence most of the statistics in this table makes sense for cache-rule only. |
| - | Rule Name | Refers to the name of the rule. |
| - | Rule URI | URI here refers to the pattern for which the content is cached for this rule. |
| - | Cache Size (kb) | Refers to the current cache size in kilobytes. |
| - | Pages in Cache | Refers to the number of pages currently in the cache. |
| - | Total Requests on URI | Refers to the number of request which were parsed to check whether or not they satisfy this rule. |
| - | Rule Hits | Refers to the number of requests which satisfied the rule. |
| - | Cache Hits | Refers to the number of times the response was provided from the cache. |
| - | Hit Ratio (%) | Refers to the ratio of cache versus rule hits. |
| - | Avg Time on Hit (ms) | Refers to the average time taken when the response was given from the cache. This is usually negligible. |
| - | Avg Time on Miss (ms) | Refers to the average time taken when the response was not given from the cache but was actually generated by the Web Server. |
| - | No of Invalidations | Refers to the total number of invalidations - the number of times pages are removed from the cache. |
| - | Graph (indicated by the graph icon) | Use this to monitor graphs related to the Web Server. |
| Application cache rules | - | Displays the cache rules defined for the applications deployed on the virtual host. |
These graphs can be viewed on a yearly, monthly, weekly, daily, or current basis.
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