1
NodeManager 中GC收集时间占的比例过多。Detected pause in JVM or host machine (eg GC): pause of approximately 13245msGC pool ‘ConcurrentMarkSweep‘ had collection(s): count=1 time=13611ms
记录下没有解决的错误(CDH 由于小文件数太多造成的)
原文：http://www.cnblogs.com/sunt9/p/6686234.html
