最近集群中region server进程总是挂掉,日志中有这么一段话WARN [JvmPauseMonitor:JvmPauseMonitor$Monitor@167] - Detected pause in JVM or host machine (eg GC): pause of approximately 31450msNo GCs detected我对java不太了解,但我觉得应该是jvm发生了STW,在此想确认一下 No GCs detected 的含义截图如下从...
WARN [JvmPauseMonitor:JvmPauseMonitor$Monitor@167] - Detected pause in JVM or host machine (eg GC): pause of approximately 31450ms No GCs detected 我对java不太了解,但我觉得应该是jvm发生了STW,在此想确认一下No GCs detected的含义 截图如下 ...
2017-03-07 11:54:34,016 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1142msGC pool 'ConcurrentMarkSweep' had collection(s): count=2 time=1640ms A few days back, the machine got shut down forcefully...
2015-02-01 03:11:49,060 INFO JvmPauseMonitor:com.cloudera.enterprise.debug.JvmPauseMonitor: Detected pause in JVM or host machine (e.g. a stop the world GC, or JVM not scheduled): paused approximately 2914ms: GC pool 'ParNew' had collection(s): count=1 time=21ms, GC pool '...
after HDFS is completely restarted , we still see the messages about `Detected pause in JVM or host machine` , and this is really strange because we almost twice the namenode heap size so we start to perform deeply testing as by `jstat` for example we get from jsat...