hbase regionserver异常退出

xjping0794

于 2017-09-23 17:04:10 发布

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分类专栏： hbase

本文链接：https://blog.youkuaiyun.com/xjping0794/article/details/78071953

本文分析了HBase RegionServer由于垃圾回收时间过长导致ZooKeeper客户端连接超时的问题。提出了两种解决策略：一是延长Zookeeper的session超时时间，二是优化RegionServer的JVM配置以减少GC对系统的影响。通过修改配置文件并重启集群，可以有效防止此类问题的发生。

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2017-09-23 09:20:54,223 WARN  [JvmPauseMonitor] util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 28836ms
No GCs detected
2017-09-23 09:20:54,250 INFO  [regionserver60020-SendThread(bis-hadoop-datanode-s-01:2181)] zookeeper.ClientCnxn: Client session timed out, have not heard from server in 40327ms for sessionid 0x505e897ce7f900e8, closing socket connection and attempting reconnect
2017-09-23 09:20:54,237 WARN  [regionserver60020] util.Sleeper: We slept 31841ms instead of 3000ms, this is likely due to a long garbage collecting pause and it's usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired
2017-09-23 09:20:54,238 INFO  [regionserver60020-SendThread(bis-backup-s-01:2181)] zookeeper.ClientCnxn: Client session timed out, have not heard from server in 41588ms for sessionid 0x875e9aa7d1a10050, closing socket connection and attempting reconnect
2017-09-23 09:20:54,238 INFO  [regionserve