Sun-microsystems GLASSFISH ENTERPRISE 820433510 Manual de usuario Pagina 179

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TABLE 18–4 EJB Pool Statistics
Attribute Name DataType Description
numbeansinpool BoundedRangeStatistic Number of EJB’s in the associated pool,
providing an idea about how the pool
is changing.
numthreadswaiting BoundedRangeStatistic Number of threads waiting for free
beans, giving an indication of possible
congestion of requests.
totalbeanscreated CountStatistic Number of beans created in associated
pool since the gathering of data
started.
totalbeansdestroyed CountStatistic Number of beans destroyed from
associated pool since the gathering of
data started.
jmsmaxmessagesload CountStatistic The maximum number of messages to
load into a JMS session at one time for
a message-driven bean to serve.
Default is 1. Applies only to pools for
message driven beans.
The statistics available for EJB caches are listed in the following table.
TABLE 18–5 EJB Cache Statistics
Attribute Name DataType Description
cachemisses BoundedRangeStatistic The number of times a user request does not
nd a bean in the cache.
cachehits BoundedRangeStatistic The number of times a user request found an
entry in the cache.
numbeansincache BoundedRangeStatistic The number of beans in the cache. This is the
current size of the cache.
numpassivations CountStatistic Number of passivated beans. Applies only to
stateful session beans.
numpassivationerrors CountStatistic Number of errors during passivation. Applies
only to stateful session beans.
numexpiredsessionsremoved CountStatistic Number of expired sessions removed by the
cleanup thread. Applies only to stateful
session beans.
About Monitoring
Chapter 18 • Monitoring Components and Services 179
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