使用nc来操作zookeeper四字命令

 zookeeper的服务器地址为 vm-10-142-164-18,clientPort为21818

1.stat命令，列出服务器和联接客户端的基本信息。

echo stat | nc vm-10-142-164-18 21818

Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT
Clients:
 /10.142.164.30:63086[1](queued=0,recved=996580,sent=996580)
 /10.142.164.29:52330[1](queued=0,recved=63832,sent=63832)
 /10.142.164.31:7417[1](queued=0,recved=63752,sent=63752)
 /10.142.164.31:18184[1](queued=0,recved=746488,sent=746488)
 /10.142.164.18:35598[0](queued=0,recved=1,sent=0)

Latency min/avg/max: 0/2/1278
Received: 1879186
Sent: 1879188
Connections: 5
Outstanding: 0
Zxid: 0x10019e465
Mode: follower

Node count: 75

2.conf命令

echo conf| nc vm-10-142-164-18 21818

clientPort=21818
dataDir=/data/hadoop/data1/zookeeper/version-2
dataLogDir=/data/hadoop/data1/zookeeper/version-2
tickTime=1000
maxClientCnxns=60
minSessionTimeout=2000
maxSessionTimeout=20000
serverId=1
initLimit=3
syncLimit=3
electionAlg=3
electionPort=38889
quorumPort=28889
peerType=0

3.dump命令，列出session,和临时结点，只能在leader节点操作。

 echo dump | nc vm-10-142-164-18 21818
SessionTracker dump:
org.apache.zookeeper.server.quorum.LearnerSessionTracker@466f08f0
ephemeral nodes dump:
Sessions with Ephemerals (11):
0x24b4e4e360c0004:
    /kafka/brokers/ids/2
0x14b81e3ec7f0004:
    /storm/supervisors/0a447b7a-ca98-4ae5-920e-7f3aa5efc5bb
0x14b4e4e36d60003:
    /hadoop-ha/test-cluster/ActiveStandbyElectorLock
0x34b4e4e35fb0006:
    /kafka/brokers/ids/4
0x34b4e4e35fb0004:
    /kafka/brokers/ids/1
0x34b4e4e35fb000d:
    /storm/supervisors/182e78c6-375f-4b6b-9a22-454a8c600e0d
0x34b4e4e35fb0005:
    /kafka/brokers/ids/3
0x14b4e4e36d60008:
    /kafka/brokers/ids/0
    /kafka/controller
0x34b81e5ec690003:
    /kafka/consumers/simpleGroupId/owners/test/0
    /kafka/consumers/simpleGroupId/owners/test/1
    /kafka/consumers/simpleGroupId/owners/test/2
    /kafka/consumers/simpleGroupId/owners/test/3
    /kafka/consumers/simpleGroupId/ids/simpleGroupId_vm-10-142-164-31-1423880405701-e445e259
    /kafka/consumers/simpleGroupId/owners/test/4
0x24b4e4e360c0008:
    /storm/supervisors/800412b3-3aef-4af3-998c-9f8cc713685d
0x14b81e3ec7f0006:
    /storm/supervisors/84864413-3987-43f3-8b27-312464fedc76

列出环境信息

 echo envi | nc vm-10-142-164-18 21818
Environment:
zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
host.name=vm-10-142-164-18
java.version=1.7.0_45
java.vendor=Oracle Corporation
java.home=/letv/jdk1.7.0_45/jre
java.class.path=/usr/local/zookeeper/bin/../build/classes:/usr/local/zookeeper/bin/../build/lib/*.jar:/usr/local/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/usr/local/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/usr/local/zookeeper/bin/../lib/netty-3.7.0.Final.jar:/usr/local/zookeeper/bin/../lib/log4j-1.2.16.jar:/usr/local/zookeeper/bin/../lib/jline-0.9.94.jar:/usr/local/zookeeper/bin/../zookeeper-3.4.6.jar:/usr/local/zookeeper/bin/../src/java/lib/*.jar:/usr/local/zookeeper/bin/../conf:
java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
java.io.tmpdir=/tmp
java.compiler=
os.name=Linux
os.arch=amd64
os.version=2.6.32-925.431.23.3.letv.el6.x86_64
user.name=hadoop
user.home=/home/hadoop
user.dir=/home/hadoop

echo ruok | nc vm-10-142-164-18 21818
imok

 echo srst | nc vm-10-142-164-18 21818
Server stats reset.

 echo srvr | nc vm-10-142-164-18 21818
Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT
Latency min/avg/max: 0/2/25
Received: 100
Sent: 100
Connections: 5
Outstanding: 0
Zxid: 0x10019ebfd
Mode: follower
Node count: 75

echo wchs | nc vm-10-142-164-18 21818
4 connections watching 4 paths
Total watches:6

echo wchc | nc vm-10-142-164-18 21818
0x14b81e3ec7f0004
    /storm/assignments/test-7-1423880398
0x14b81e3ec7f0002
    /storm/assignments/test-7-1423880398
    /storm/storms/test-7-1423880398
0x14b81e3ec7f0006
    /storm/assignments/test-7-1423880398
0x34b81e5ec690003
    /kafka/brokers/topics/test
    /kafka/consumers/simpleGroupId/ids

echo mntr | nc vm-10-142-164-18 21818
zk_version    3.4.6-1569965, built on 02/20/2014 09:09 GMT
zk_avg_latency    2
zk_max_latency    27
zk_min_latency    0
zk_packets_received    796
zk_packets_sent    796
zk_num_alive_connections    5
zk_outstanding_requests    0
zk_server_state    follower
zk_znode_count    75
zk_watch_count    9
zk_ephemerals_count    17
zk_approximate_data_size    21033
zk_open_file_descriptor_count    30
zk_max_file_descriptor_count    65000