Hbase Region Server中的例外情况

时间：2015-12-31 08:04:54

标签： hbase

我不断看到这些日志在hbase区域服务器日志中打印出来。 10.0.5.133是存在hbase java客户端的机器。

它一直处于断开连接状态。出现这种情况的原因是什么？ 客户端库/服务器版本是否存在不匹配？还有其他原因吗？我试图谷歌这个，但找不到任何有用的链接。

2015-12-25 20:24:03,210 DEBUG [RpcServer.reader=9,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54538 because read count=-1. Number of active connections: 30
2015-12-25 20:24:03,213 DEBUG [RpcServer.reader=2,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54564 because read count=-1. Number of active connections: 29
2015-12-25 20:24:08,350 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:54642; # active connections: 26
2015-12-25 20:24:18,358 DEBUG [RpcServer.reader=8,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54642 because read count=-1. Number of active connections: 29
2015-12-25 20:24:30,543 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:54799; # active connections: 28
2015-12-25 20:24:40,547 DEBUG [RpcServer.reader=0,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54799 because read count=-1. Number of active connections: 29
2015-12-25 20:24:41,870 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:54864; # active connections: 29
2015-12-25 20:24:51,877 DEBUG [RpcServer.reader=8,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54864 because read count=-1. Number of active connections: 28
2015-12-25 20:25:00,634 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:54982; # active connections: 27
2015-12-25 20:25:10,645 DEBUG [RpcServer.reader=6,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:54982 because read count=-1. Number of active connections: 30
2015-12-25 20:26:30,169 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55511; # active connections: 26
2015-12-25 20:26:40,176 DEBUG [RpcServer.reader=3,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55511 because read count=-1. Number of active connections: 32
2015-12-25 20:26:41,117 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55594; # active connections: 30
2015-12-25 20:26:44,607 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55623; # active connections: 31
2015-12-25 20:26:51,129 DEBUG [RpcServer.reader=7,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55594 because read count=-1. Number of active connections: 26
2015-12-25 20:26:54,614 DEBUG [RpcServer.reader=2,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55623 because read count=-1. Number of active connections: 23
2015-12-25 20:27:01,926 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55731; # active connections: 31
2015-12-25 20:27:11,938 DEBUG [RpcServer.reader=5,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55731 because read count=-1. Number of active connections: 29
2015-12-25 20:27:14,711 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55776; # active connections: 28
2015-12-25 20:27:24,719 DEBUG [RpcServer.reader=3,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55776 because read count=-1. Number of active connections: 28
2015-12-25 20:27:36,791 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:55938; # active connections: 24
2015-12-25 20:27:45,008 DEBUG [RpcServer.listener,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: connection from 10.0.5.133:56013; # active connections: 27
2015-12-25 20:27:46,799 DEBUG [RpcServer.reader=4,port=60020] ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client 10.0.5.133:55938 because read count=-1. Number of active connections: 29

1 个答案:

答案 0 :(得分：0)

看起来客户端连接负载超过默认的最大客户端连接限制为30.您可能需要考虑增加该配置。

以下是更多信息：http://archive.cloudera.com/cdh/3/hbase-0.90.1-cdh3u0/configuration.html

  

hbase.zookeeper.property.maxClientCnxns

     

ZooKeeper的属性   config zoo.cfg。限制并发连接数（在   套接字级别）由IP地址标识的单个客户端可以生成   到ZooKeeper合奏的单个成员。设置为高以避免zk   运行独立和伪分布的连接问题。

     

默认值：30

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