Thread pool counters


 

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Use the thread pool counters that the PMI and TPV collect to monitor thread pool activity.

Name Key Description Granularity Type Level Overhead ID
CreateCount threadPoolModule.threadCreates Total number of threads created Per thread pool CountStatistic All Low 1
DestroyCount threadPoolModule.threadDestroys Total number of threads destroyed Per thread pool CountStatistic All Low 2
ActiveCount threadPoolModule.activeThreads Number of concurrently active threads Per thread pool BoundedRangeStatistic Extended High 3
PoolSize threadPoolModule.poolSize The average number of threads in pool Per thread pool BoundedRangeStatistic Basic High 4
PercentMaxed threadPoolModule.percentMaxed The average percent of the time that all threads are in use Per thread pool BoundedRangeStatistic All High 5
DeclaredthreadHungCount threadPoolModule.declaredThreadHung Number of threads declared hung Per thread pool CountStatistic All Max 6
ClearedThreadHangCount threadPoolModule.declaredThreadHangCleared Number of thread hangs cleared Per thread pool CountStatistic All Max 7
ConcurrentHungThreadCount threadPoolModule.concurrentlyHungThreads Number of concurrently hung threads Per thread pool BoundedRangeStatistic All Max 8
ActiveTime threadPoolModule.activeTime The average time in milliseconds the threads are in active state Per thread pool TimeStatistic All Max 9