Web Container Statistics (Sun Java System Application Server Platform Edition 8.2 Administration Guide)

Sun Java System Application Server Platform Edition 8.2 Administration Guide

Web Container Statistics

The web container fits into the tree of objects as shown in The Applications Tree. Web container statistics are displayed for each individual web application. Statistics available for the web container for Servlets are shown in Web Container Statistics and statistics available for web modules are shown in Web Container Statistics.

Table 16–7 Web Container (Servlet) Statistics


Statistic	Units	Data Type	Comments
`errorcount`	Number	CountStatistic	Cumulative number of cases where the response code is greater than or equal to 400.
`maxtime`	Milliseconds	CountStatistic	The maximum amount of time the web container waits for requests.
`processingtime`	Milliseconds	CountStatistic	Cumulative value of the amount of time required to process each request. The processing time is the average of request processing times divided by the request count.
`requestcount`	Number	CountStatistic	The total number of requests processed so far.

Statistics available for web modules are shown in Web Container Statistics.

Table 16–8 Web Container (Web Module) Statistics


Statistic	Data Type	Comments
`jspcount`	CountStatistic	Number of JSP pages that have been loaded in the web module.
`jspreloadcount`	CountStatistic	Number of JSP pages that have been reloaded in the web module.
`sessionstotal`	CountStatistic	Total number of sessions that have been created for the web module.
`activesessionscurrent`	CountStatistic	Number of currently active sessions for the web module.
`activesessionshigh`	CountStatistic	Maximum number of concurrently active sessions for the web module.
`rejectedsessionstotal`	CountStatistic	Total number of rejected sessions for the web module. This is the number of sessions that were not created because the maximum allowed number of sessions were active.
`expiredsessionstotal`	CountStatistic	Total number of expired sessions for the web module.
`sessionsize (EE only)`	AverageRangeStatistic	Size of the session for the web module. Value is either high, low, or average, or is in bytes for serialized sessions.
`containerlatency (EE only)`	AverageRangeStatistic	Latency for the web container’s part of the overall latency request. Value is either high, low, or average.
`sessionpersisttime (EE only)`	AverageRangeStatistic	Time (in ms, low, high, or average) taken to persist HTTP session state to back-end store for the web module.
`cachedsessionscurrent (EE only)`	CountStatistic	Current number of sessions cached in memory for the web module.
`passivatedsessionscurrent (EE only)`	CountStatistic	Current number of sessions passivated for the web module.