zookeeper四字命令的使⽤
  Linux中的命令NetCat有“瑞⼠军⼑”的美誉。我们可以通过nc命令查看Zookeeper的⼀⾏属性数据。在Zookeeper中有很多四字命令，汇总如下：
序
号
使⽤命令输出说明
1echo conf | nc 10.9.3.253
2181
输出Zookeeper相关服务的详细配置信息，如客户端端⼝，数据存储路径、最⼤连接数、⽇志路径、数据同步端⼝、主节点推举端⼝、session超
时时间等等
2echo cons | nc 10.9.3.253
2181
输出连接到Zookeeper的服务器信息，包括队列、数据接收量、数据发送量、sessionID、操作延时、最后的操作信息等等
3echo crst | nc 10.9.3.253
2181
重置当前的所有连接、会话等等
4echo dump | nc 10.9.3.253
2181
列出未经处理的会话和连接信息
5echo envi | nc 10.9.3.253
2181
列出zookeeper的版本信息、主机名称、Java版本、java_home、class_path、服务器名称、当前登陆⽤户名、⽬录等等；
6echo ruok | nc 10.9.3.253
2181
Are You Ok的缩写，测试服务器是否正在运⾏，如果在运⾏返回imok，否则返回空
7echo srst | nc 10.9.3.253
2181
重置Zookeeper的所有统计信息
8echo srvr | nc 10.9.3.253
2181
列出zookeeper的版本信息、数据接收/发送量、连接数、节点模式、Node数、最⼤/平均/最⼩延迟数
9echo stat | nc 10.9.3.253
2181
列出连接客户端列表、最⼤/平均/最⼩延迟数、数据接收/发送量、连接数、节点总数、模式
10echo wchs | nc 10.9.3.253
2181
列出watch的总数，连接数
11echo wchp | nc 10.9.3.253
2181
列出所有watch的路径及sessionID
12echo mntr | nc 10.9.3.253
2181
列出集的关键性能数据，包括zk的版本、最⼤/平均/最⼩延迟数、数据包接收/发送量、连接数、zk⾓⾊（Leader/Follower）、node数量、
watch数量、临时节点数
  1、echo conf | nc 10.9.3.253 2181
clientPort=2181
dataDir=/home/zookeeper/zookeeper-3.4.8/data/version-2
dataLogDir=/home/zookeeper/zookeeper-3.4.8/data/version-2
tickTime=2000
maxClientCnxns=60
minSessionTimeout=4000
maxSessionTimeout=40000
serverId=2
initLimit=10
syncLimit=5
electionAlg=3
electionPort=2223
quorumPort=2222
peerType=0
  2、echo cons | nc 10.9.3.253 2181
/10.9.3.210:27080[1](queued=0,recved=21379,sent=21379,sid=0x26128063230003a,lop=PING,est=1517842262650,to=6000,lcxid=0x25,lzxid=0x500000e68,lresp=1517885010952,llat=0,minlat=0,avglat=1,maxlat=1832)
/10.9.3.2:52081[0](queued=0,recved=1,sent=0)
/10.9.3.253:53132[1](queued=0,recved=81690,sent=81690,sid=0x160e4217689000a,lop=PING,est=1516794950707,to=40000,lcxid=0x0,lzxid=0x500000e68,lresp=1517885010871,llat=0,minlat=0,avglat=0,maxlat=3667)
/10.9.3.253:41271[1](queued=0,recved=89801,sent=89801,sid=0x260e42176ee0005,lop=GETC,est=1
516868422715,to=40000,lcxid=0xd443,lzxid=0x500000e68,lresp=1517885009146,llat=0,minlat=0,avglat=1,maxlat=2328)
/127.0.0.1:41248[1](queued=0,recved=21359,sent=21359,sid=0x260e42176ee0534,lop=PING,est=1517842262534,to=6000,lcxid=0xf0,lzxid=0x500000e68,lresp=1517885012461,llat=0,minlat=0,avglat=1,maxlat=1535)
/10.9.3.253:53136[1](queued=0,recved=81692,sent=81692,sid=0x160e42176890009,lop=PING,est=1516794950841,to=40000,lcxid=0x5a,lzxid=0x500000e68,lresp=1517885009000,llat=0,minlat=0,avglat=1,maxlat=4846)
  3、echo crst  | nc 10.9.3.253 2181 
Connection stats reset.
  4、echo dunp | nc 10.9.3.253 2181
kafka命令Sessions with Ephemerals (4):
0x160e42176890009:
/hbase/rs/log1,16020,1515656342319
0x260e42176ee0005:
/hbase/master
0x260e42176ee0534:
/kafka/controller
/kafka/brokers/ids/253
0x26128063230003a:
/kafka/brokers/ids/210
  5、echo envi |nc 10.9.3.253 2181
nvironment:
zookeeper.version=3.4.8--1, built on 02/06/201603:18 GMT
host.name=log1
java.version=1.8.0_102
java.vendor=Oracle Corporation
java.home=/opt/jdk1.8.0_102/jre
java.class.path=/home/zookeeper/zookeeper-3.4.8/bin/../build/classes:/home/zookeeper/zookeeper-3.4.8/bin/../build/lib/*.jar:/home/zookeeper/zookeeper-3.4.8/bin/../lib/slf4j-log4j12-1.6.1.jar:/home/zookeeper/zookeeper-3.4.8/bin/../lib/slf4j-api-1.6. java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
pdir=/tmp
javapiler=<NA>
os.name=Linux
os.arch=amd64
os.version=2.6.32-431.el6.x86_64
user.name=zookeeper
user.home=/home/zookeeper
user.dir=/home/zookeeper/zookeeper-3.4.8/bin
  6、echo ruok | nc 10.9.3.253 2181
imok
  7、echo srsr | nc 10.9.3.253 2181　
Server stats reset.
  8、echo srvr | nc 10.9.3.253 2181
Zookeeper version: 3.4.8--1, built on 02/06/201603:18 GMT
Latency min/avg/max: 0/0/1
Received: 160
Sent: 160
Connections: 6
Outstanding: 0
Zxid: 0x500000e68
Mode: leader
Node count: 200
  9、echo stat | nc 10.9.3.253 2181 Zookeeper version: 3.4.8--1, built on 02/06/201603:18 GMT Clients:
/10.9.3.210:27080[1](queued=0,recved=688,sent=688)
/10.9.3.253:53132[1](queued=0,recved=103,sent=103)
/10.9.3.253:41271[1](queued=0,recved=123,sent=123)
/127.0.0.1:41248[1](queued=0,recved=687,sent=687)
/10.9.3.2:52642[0](queued=0,recved=1,sent=0)
/10.9.3.253:53136[1](queued=0,recved=103,sent=103) Latency min/avg/max: 0/0/1
Received: 481
Sent: 481
Connections: 6
Outstanding: 0
Zxid: 0x500000e68
Mode: leader
Node count: 200
  10、echo wchs | nc 10.9.3.253 2181
4 connections watching 19 paths
Total watches:24
  11、echo wchp | nc 10.9.3.253 2181
/kafka/brokers/topics/asda
0x260e42176ee0534
/kafka/controller
0x260e42176ee0534
0x26128063230003a
/kafka/isr_change_notification
0x260e42176ee0534
/kafka/brokers/topics
0x260e42176ee0534
/hbase/running
0x260e42176ee0005
0x160e42176890009
/kafka/brokers/topics/test
0x260e42176ee0534
/hbase/master
0x260e42176ee0005
0x160e42176890009
/kafka/config/changes
0x260e42176ee0534
0x26128063230003a
/hbase/namespace
0x260e42176ee0005
/kafka/brokers/ids
0x260e42176ee0534
/hbase/namespace/hbase
0x260e42176ee0005
/kafka/admin/reassign_partitions
0x260e42176ee0534
/hbase/meta-region-server
0x160e42176890009
/hbase/rs/log1,16020,1515656342319
0x260e42176ee0005
0x160e42176890009
/hbase/namespace/default
0x260e42176ee0005
/hbase/normalizer
0x260e42176ee0005
/kafka/admin/delete_topics
0x260e42176ee0534
/hbase/balancer
0x260e42176ee0005
/kafka/admin/preferred_replica_election
0x260e42176ee0534
12、echo mntr | nc 10.9.3.253 2181
zk_version    3.4.8--1, built on 02/06/201603:18 GMT
zk_avg_latency    0
zk_max_latency    1
zk_min_latency    0
zk_packets_received    2876
zk_packets_sent    2876
zk_num_alive_connections    6
zk_outstanding_requests    0
zk_server_state    leader
zk_znode_count    200
zk_watch_count    41
zk_ephemerals_count    5
zk_approximate_data_size    35502
zk_open_file_descriptor_count    37
zk_max_file_descriptor_count    65536
zk_followers    1
zk_synced_followers    1
zk_pending_syncs    0

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。