如何通过asadmin接口监视GlassFish线程池

Question

我正在尝试使用asadmin接口来监视GlassFish 3.1.1上的线程池.我正在执行以下命令:

asadmin get -m server.network.my-listener.thread-pool.*

我正在获取数据,但大多数都有lastsampletime = -1(因此相关数据为零;并且没有价值).

注意:我也尝试过REST接口,我相信asadmin委托给它,以及JMX接口.同样的问题:大部分数据都有lastsampletime = -1.

我已经将所有模块的监控转为HIGH.我错过了什么？

Answer 1

似乎重新部署我的应用程序对于实际获取值的监视是必要的.也许我错误地解释了手册,但它似乎表明不需要重启/重新部署:

"Oracle GlassFish Server 3.1管理指南"

此外,奇怪的是,以下显示没有监控数据:

asadmin get -m server.thread-pools.thread-pool.http-thread-pool.*

相反,您必须通过特定的网络侦听器,如:

asadmin get -m server.network.http-listener-2.thread-pool.*

令我惊讶的是,启用线程池监视不足以查看线程池统计信息.您还必须启用http服务监视:

asadmin enable-monitoring
asadmin set server.monitoring-service.module-monitoring-levels.thread-pool=HIGH
asadmin set server.monitoring-service.module-monitoring-levels.http-service=HIGH

Answer 2

这就是你应该做的一切.

1. HIGH为DAS,独立实例或要监视的群集上的http-service模块启用监视,设置为.
2. 将应用程序部署到DAS,独立实例或群集并发出http请求.
3. asadmin get -m *instancename*.network.*listener*.thread-pool.*

看起来你正在监视DAS,因为你正在使用 asadmin get -m server.network.my-listener.thread-pool.*.

我向DAS部署了一个简单的战争并发出了一堆http请求.我看到corethreads-count和maxthreads-count的最后一个采样时间为-1.其余统计数据具有实际的最后采样时间.

asadmin get -m "server.network.http-listener-1.thread-pool.*"
server.network.http-listener-1.thread-pool.corethreads-count = 0
server.network.http-listener-1.thread-pool.corethreads-description = Core number of threads in the thread pool
server.network.http-listener-1.thread-pool.corethreads-lastsampletime = -1
server.network.http-listener-1.thread-pool.corethreads-name = CoreThreads
server.network.http-listener-1.thread-pool.corethreads-starttime = 1320764890444
server.network.http-listener-1.thread-pool.corethreads-unit = count
server.network.http-listener-1.thread-pool.currentthreadcount-count = 5
server.network.http-listener-1.thread-pool.currentthreadcount-description = Provides the number of request processing threads currently in the listener thread pool
server.network.http-listener-1.thread-pool.currentthreadcount-lastsampletime =  1320765351708
server.network.http-listener-1.thread-pool.currentthreadcount-name = CurrentThreadCount
server.network.http-listener-1.thread-pool.currentthreadcount-starttime = 1320764890445
server.network.http-listener-1.thread-pool.currentthreadcount-unit = count
server.network.http-listener-1.thread-pool.currentthreadsbusy-count = 0
server.network.http-listener-1.thread-pool.currentthreadsbusy-description = Provides the number of request processing threads currently in use in the listener thread pool serving requests
server.network.http-listener-1.thread-pool.currentthreadsbusy-lastsampletime = 1320765772814
server.network.http-listener-1.thread-pool.currentthreadsbusy-name = CurrentThreadsBusy 
server.network.http-listener-1.thread-pool.currentthreadsbusy-starttime = 1320764890445
server.network.http-listener-1.thread-pool.currentthreadsbusy-unit = count
server.network.http-listener-1.thread-pool.dotted-name = server.network.http-listener-1.thread-pool
server.network.http-listener-1.thread-pool.maxthreads-count = 0
server.network.http-listener-1.thread-pool.maxthreads-description = Maximum number of threads allowed in the thread pool
server.network.http-listener-1.thread-pool.maxthreads-lastsampletime = -1
server.network.http-listener-1.thread-pool.maxthreads-name = MaxThreads
server.network.http-listener-1.thread-pool.maxthreads-starttime = 1320764890443
server.network.http-listener-1.thread-pool.maxthreads-unit = count
server.network.http-listener-1.thread-pool.totalexecutedtasks-count = 31
server.network.http-listener-1.thread-pool.totalexecutedtasks-description = Provides the total number of tasks, which were executed by the thread pool
server.network.http-listener-1.thread-pool.totalexecutedtasks-lastsampletime = 1320765772814
server.network.http-listener-1.thread-pool.totalexecutedtasks-name = TotalExecutedTasksCount
server.network.http-listener-1.thread-pool.totalexecutedtasks-starttime = 1320764890444
server.network.http-listener-1.thread-pool.totalexecutedtasks-unit = count

Command get executed successfully.