zookeepeer4字命令实践

环境

leader:192.168.116.143

fllower:192.168.116.142

 fllower:192.168.116.144

 

命令:conf——查看其他主机的配置文件

 1 [root@sxl132 Desktop]# echo conf | nc 192.168.116.144 2181
 2 clientPort=2181
 3 dataDir=/usr/data/zookeepeer/version-2
 4 dataLogDir=/usr/data/zookeepeer/version-2
 5 tickTime=2000
 6 maxClientCnxns=60
 7 minSessionTimeout=4000
 8 maxSessionTimeout=40000
 9 serverId=4
10 initLimit=10
11 syncLimit=5
12 electionAlg=3
13 electionPort=3888
14 quorumPort=2888
15 peerType=0

 

命令:ruok——查看其他主机是否存活

1 [root@sxl132 Desktop]# echo ruok | nc 192.168.116.144 2181
2 imok[root@sxl132 Desktop]# 

 

命令:cons——查看连接信息

1 [root@sxl132 Desktop]# echo cons | nc 192.168.116.144 2181
2  /192.168.116.142:44336[0](queued=0,recved=1,sent=0)

 

命令:dump——查看未处理的会话节点

1 Desktop]# echo dump | nc 192.168.116.144 2181
2 SessionTracker dump:
3 org.apache.zookeeper.server.quorum.LearnerSessionTracker@731f57b1
4 ephemeral nodes dump:
5 Sessions with Ephemerals (0):

 

命令:reqs——查看未处理的请求

1 [root@sxl132 Desktop]# echo reqs | nc 192.168.116.144 2181  //当然,这里没有未处理的请求

 

命令:stat——查看统计信息 

 1 [root@sxl132 Desktop]# echo stat | nc 192.168.116.144 2181
 2 Zookeeper version: 3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0, built on 11/01/2017 18:06 GMT
 3 Clients:
 4  /192.168.116.142:44342[0](queued=0,recved=1,sent=0)
 5 
 6 Latency min/avg/max: 0/0/0
 7 Received: 6
 8 Sent: 5
 9 Connections: 1
10 Outstanding: 0
11 Zxid: 0x600000000
12 Mode: follower
13 Node count: 4

 

命令:envi——查看环境信息 

 1 [root@sxl132 Desktop]# echo envi | nc 192.168.116.144 2181
 2 Environment:
 3 zookeeper.version=3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0, built on 11/01/2017 18:06 GMT
 4 host.name=localhost
 5 java.version=1.8.0_151
 6 java.vendor=Oracle Corporation
 7 java.home=/usr/app/java/jdk/jre
 8 java.class.path=/usr/app/zookeepeer/bin/../build/classes:/usr/app/zookeepeer/bin/../build/lib/*.jar:/usr/app/zookeepeer/bin/../lib/slf4j-log4j12-1.6.1.jar:/usr/app/zookeepeer/bin/../lib/slf4j-api-1.6.1.jar:/usr/app/zookeepeer/bin/../lib/netty-3.10.5.Final.jar:/usr/app/zookeepeer/bin/../lib/log4j-1.2.16.jar:/usr/app/zookeepeer/bin/../lib/jline-0.9.94.jar:/usr/app/zookeepeer/bin/../lib/audience-annotations-0.5.0.jar:/usr/app/zookeepeer/bin/../zookeeper-3.4.11.jar:/usr/app/zookeepeer/bin/../src/java/lib/*.jar:/usr/app/zookeepeer/bin/../conf:/usr/app/java/jdk/lib/
 9 java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
10 java.io.tmpdir=/tmp
11 java.compiler=<NA>
12 os.name=Linux
13 os.arch=amd64
14 os.version=2.6.32-431.el6.x86_64
15 user.name=root
16 user.home=/root
17 user.dir=/usr/app/zookeepeer

 

命令:wchs——查看服务器watch的详细信息

1 [root@sxl132 Desktop]# echo wchs | nc 192.168.116.144 2181
2 0 connections watching 0 paths
3 Total watches:0

  

命令:wchp——列出指定路径下的服务器信息

1 [root@sxl132 Desktop]# echo wchp | nc localhost 2181
2 wchp is not executed because it is not in the whitelist.

 这里没有权限,因为不在白名单,目前还不知道怎么设置,可以在zookeepeer的官网可查看这方面的资料:http://zookeeper.apache.org/doc/r3.4.10/zookeeperAdmin.html

还有一些4字命令,可以查看zookeepeer的官网。

PS:linux命令中的竖线|是一个管道,可以把命令右边的内容传递给左边。

 

参考文档

1、徐培成的大数据——zookeepeer视频

2、http://zookeeper.apache.org/doc/r3.4.10/zookeeperAdmin.html#sc_zkCommands (Zookeepeer的4字命令)

 

posted @ 2018-01-09 00:28  gudi  阅读(627)  评论(0编辑  收藏  举报