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Statistic
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Description
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Cached Beans Current Count
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Reports the total number of beans from this EJB Home currently in the EJB cache. Use this information to calculate the current percentage of the configured cache capacity being used.
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Cache Access Count
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Reports the total number of attempts to access a bean from the cache. This information is useful for giving context to other counts such as cache hits.
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Cache Hit Count
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Reports the total number of times an attempt to access a bean from the cache succeeded. This information is useful for determining the effectiveness of the EJB cache.
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Activation Count
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Reports the total number of beans from this EJB Home that have been activated.
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Passivation Count
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Reports the total number of beans from this EJB Home that have been passivated.
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Lock Entries Current Count
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Reports the current number of lock entries in the lock manager. This information may be helpful in detecting stale lock entries.
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Lock Manager Access Count
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Reports the total number of attempts to obtain a lock on a bean. This includes attempts to obtain a lock on a bean that is already locked on behalf of the client. This information is useful for giving context to the waiter and timeout total counts.
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Waiter Total Count
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Reports the number of times a thread requested and had to wait for a bean from the free pool.
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Timeout Total Count
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Reports the total number of transactions that have timed out. Every EJB request uses valuable server resources such as threads and bean instances.
A timed out transaction means that server resources were tied up in vain, suggesting a problem with the application.
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