performance
HIGH (1)
ActiveThreads:   0
CompletedTasks:  123559
getCorePoolSize: 4
MaximumPoolSize: 2147483647
LargestPoolSize: 4
PoolSize:        4
ScheduledTasks:  0
MEDIUM (0)
ActiveThreads:   1
CompletedTasks:  8411350
getCorePoolSize: 10
MaximumPoolSize: 2147483647
LargestPoolSize: 10
PoolSize:        10
ScheduledTasks:  159
LOW (-1)
ActiveThreads:   2
CompletedTasks:  1616391179
getCorePoolSize: 4
MaximumPoolSize: 2147483647
LargestPoolSize: 4
PoolSize:        4
ScheduledTasks:  25488