ZooKeeper 客户端的使用
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cd binzkCli.sh -timeout 5000 -server 27.154.242.214:5091 |
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[zk: 27.154.242.214:5091(CONNECTED) 2] hZooKeeper -server host:port cmd args stat path [watch] set path data [version] ls path [watch] delquota [-n|-b] path ls2 path [watch] setAcl path acl setquota -n|-b val path history redo cmdno printwatches on|off delete path [version] sync path listquota path rmr path get path [watch] create [-s] [-e] path data acl addauth scheme auth quit getAcl path close connect host:port |
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[zk: 27.154.242.214:5091(CONNECTED) 11] create /note1 123Created /note1 |
-s 表示是顺序节点 -e表示为临时节点
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[zk: 27.154.242.214:5091(CONNECTED) 11] create/note2 123Created /note2 |
顺序节点
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[zk: 27.154.242.214:5091(CONNECTED) 1] create -s /note1/note13 1333Created /note1/note130000000002[zk: 27.154.242.214:5091(CONNECTED) 2] create -s /note1/note13 1333Created /note1/note130000000003 |
查看节点状态
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[zk: 27.154.242.214:5091(CONNECTED) 12] stat /note1cZxid = 0xc0bctime = Sun Aug 21 07:42:06 CST 2016mZxid = 0xc0bmtime = Sun Aug 21 07:42:06 CST 2016pZxid = 0xc0bcversion = 0dataVersion = 0aclVersion = 0ephemeralOwner = 0x0dataLength = 3numChildren = 0 |
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[zk: 27.154.242.214:5091(CONNECTED) 13] get /note1123cZxid = 0xc0bctime = Sun Aug 21 07:42:06 CST 2016mZxid = 0xc0bmtime = Sun Aug 21 07:42:06 CST 2016pZxid = 0xc0bcversion = 0dataVersion = 0aclVersion = 0ephemeralOwner = 0x0dataLength = 3numChildren = 0 |
ls2列出当前节点的子节点同时输出stat信息
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[zk: 27.154.242.214:5091(CONNECTED) 16] create /note1/note11 456[zk: 27.154.242.214:5091(CONNECTED) 18] create /note1/note12 789[zk: 27.154.242.214:5091(CONNECTED) 19] ls2 /note1 [note12, note11]cZxid = 0xc0bctime = Sun Aug 21 07:42:06 CST 2016mZxid = 0xc0bmtime = Sun Aug 21 07:42:06 CST 2016pZxid = 0xc0dcversion = 2dataVersion = 0aclVersion = 0ephemeralOwner = 0x0dataLength = 3numChildren = 2 |
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[zk: 27.154.242.214:5091(CONNECTED) 8] set /note1/note11 111cZxid = 0xc0cctime = Sun Aug 21 07:47:28 CST 2016mZxid = 0xc15mtime = Sun Aug 21 09:12:07 CST 2016pZxid = 0xc0ccversion = 0dataVersion = 1aclVersion = 0ephemeralOwner = 0x0dataLength = 3numChildren = 0[zk: 27.154.242.214:5091(CONNECTED) 9] get /note1/note11 111cZxid = 0xc0cctime = Sun Aug 21 07:47:28 CST 2016mZxid = 0xc15mtime = Sun Aug 21 09:12:07 CST 2016pZxid = 0xc0ccversion = 0dataVersion = 1aclVersion = 0ephemeralOwner = 0x0dataLength = 3numChildren = 0 |
删除节点
(rmr 循环删除节点及其子节点)
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[zk: 27.154.242.214:5091(CONNECTED) 10] delete /note1/note11[zk: 27.154.242.214:5091(CONNECTED) 11] ls /note1 [note12, note130000000002, note130000000003][zk: 27.154.242.214:5091(CONNECTED) 12] delete /note1Node not empty: /note1[zk: 27.154.242.214:5091(CONNECTED) 13] rmr /note1[zk: 27.154.242.214:5091(CONNECTED) 14] ls / [server, zookeeper, config] |
配额相关的指令
设置配额
[setquota -n|-b val path]
-n限制子节点的个数 –b限制数据的长度
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[zk: 27.154.242.214:5091(CONNECTED) 18] create /note1 123 Created /note1[zk: 27.154.242.214:5091(CONNECTED) 19] setquota -n 2 /note1 Comment: the parts are option -n val 2 path /note1[zk: 27.154.242.214:5091(CONNECTED) 20] create /note1/note11 11 Created /note1/note11[zk: 27.154.242.214:5091(CONNECTED) 21] create /note1/note12 12Created /note1/note12[zk: 27.154.242.214:5091(CONNECTED) 22] create /note1/note13 13 Created /note1/note13 |
发现超限了仅仅在日志记录超限信息的警告不会有异常如下:
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[lzmhdev@lzmh01 zookeeper-3.4.8]$ cd bin [lzmhdev@lzmh01 bin]$ lsREADME.txt zkCleanup.sh zkCli.cmd zkCli.sh zkEnv.cmd zkEnv.sh zkServer.cmd zkServer.sh zookeeper.out[lzmhdev@lzmh01 bin]$ tail -f zookeeper.out at java.lang.Thread.run(Thread.java:745)2016-08-21 08:54:07,402 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:5091:NIOServerCnxn@1008] - Closed socket connection for client /123.59.54.18:34285 which had sessionid 0x156aa06f8d600012016-08-21 08:54:12,000 [myid:] - INFO [SessionTracker:ZooKeeperServer@355] - Expiring session 0x156aa06f8d60001, timeout of 5000ms exceeded2016-08-21 08:54:12,001 [myid:] - INFO [ProcessThread(sid:0 cport:5091)::PrepRequestProcessor@489] - Processed session termination for sessionid: 0x156aa06f8d600012016-08-21 08:54:21,201 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:5091:NIOServerCnxnFactory@192] - Accepted socket connection from /123.59.54.18:343382016-08-21 08:54:21,205 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:5091:ZooKeeperServer@900] - Client attempting to establish new session at /123.59.54.18:343382016-08-21 08:54:21,223 [myid:] - INFO [SyncThread:0:ZooKeeperServer@645] - Established session 0x156aa06f8d60002 with negotiated timeout 5000 for client /123.59.54.18:343382016-08-21 09:14:54,075 [myid:] - INFO [ProcessThread(sid:0 cport:5091)::PrepRequestProcessor@651] - Got user-level KeeperException when processing sessionid:0x156aa06f8d60002 type:delete cxid:0x15 zxid:0xc17 txntype:-1 reqpath:n/a Error Path:/note1 Error:KeeperErrorCode = Directory not empty for /note12016-08-21 10:10:41,080 [myid:] - WARN [SyncThread:0:DataTree@389] - Quota exceeded: /note1 count=3 limit=2 |
查看指定数据节点的配额情况
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[zk: 27.154.242.214:5091(CONNECTED) 23] listquota /note1absolute path is /zookeeper/quota/note1/zookeeper_limitsOutput quota for /note1 count=2,bytes=-1Output stat for /note1 count=4,bytes=9 |
-1 长度没有限制
删除配额
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[zk: 27.154.242.214:5091(CONNECTED) 24] delquota -n /note1[zk: 27.154.242.214:5091(CONNECTED) 25] listquota /note1 absolute path is /zookeeper/quota/note1/zookeeper_limitsOutput quota for /note1 count=-1,bytes=-1Output stat for /note1 count=4,bytes=9 |
查看历史
并重复执行
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[zk: 27.154.242.214:5091(CONNECTED) 26] history16 - create /note117 - setquota -n 2 /note1 18 - create /note1 12319 - setquota -n 2 /note1 20 - create /note1/note11 1121 - create /note1/note12 1222 - create /note1/note13 1323 - listquota /note124 - delquota -n /note125 - listquota /note126 - history[zk: 27.154.242.214:5091(CONNECTED) 27] redo 25absolute path is /zookeeper/quota/note1/zookeeper_limitsOutput quota for /note1 count=-1,bytes=-1Output stat for /note1 count=4,bytes=9 |
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