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. |