{"id":32,"date":"2024-05-13T21:41:27","date_gmt":"2024-05-13T13:41:27","guid":{"rendered":"https:\/\/www.sretalk.com\/?p=32"},"modified":"2024-05-15T09:32:49","modified_gmt":"2024-05-15T01:32:49","slug":"%e9%83%a8%e7%bd%b2-zookeeper","status":"publish","type":"post","link":"https:\/\/www.sretalk.com\/?p=32","title":{"rendered":"\u90e8\u7f72 Zookeeper"},"content":{"rendered":"\n

\u4e00 \u6982\u8ff0<\/h2>\n\n\n\n

ZooKeeper \u4e3b\u8981\u670d\u52a1\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528 ZooKeeper \u6765\u505a\uff1a\u7edf\u4e00\u914d\u7f6e\u7ba1\u7406\u3001\u7edf\u4e00\u547d\u540d\u670d\u52a1\u3001\u5206\u5e03\u5f0f\u9501\u3001\u96c6\u7fa4\u7ba1\u7406\u3002<\/p>\n\n\n\n

\n

<\/p>\nNotes:
\u9884\u5148\u4e0b\u8f7d\u597d Java Runtime Environment<\/a> \u548c Zookeeper<\/a> \u5b89\u88c5\u4ecb\u8d28\u3002<\/cite><\/blockquote>\n\n\n\n

\u4e8c \u5177\u4f53\u64cd\u4f5c<\/h2>\n\n\n\n

2.1 \u5b89\u88c5 Java \u8fd0\u884c\u73af\u5883<\/h3>\n\n\n\n
# 1. \u89e3\u538b\ntar xf jdk-19_linux-x64_bin.tar.gz -C \/opt\/\n\n# 2. \u914d\u7f6e\u73af\u5883\u53d8\u91cf\n# \u5728 ~\/.bashrc \u6587\u4ef6\u4e2d\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\nexport JAVA_HOME=\/opt\/jdk-19.0.2\nexport CLASS_PATH=${JAVA_HOME}\/lib\nexport PATH=${JAVA_HOME}\/bin:$PATH\n\n# 3. \u68c0\u67e5\u662f\u5426\u751f\u6548\nsource ~\/.bashrc\njava --version\n# \u8fd4\u56de\uff1a\n# java 19.0.2 2023-01-17\n# Java(TM) SE Runtime Environment (build 19.0.2+7-44)\n# Java HotSpot(TM) 64-Bit Server VM (build 19.0.2+7-44, mixed mode, sharing)\n\n<\/code><\/pre>\n\n\n\n
2.2 \u521d\u59cb\u5316\u7cfb\u7edf\u73af\u5883<\/h3>\n\n\n\n
\u6839\u636e Zookeeper \u5b98\u65b9\u8bf4\u660e\uff0c\u8fd0\u884c Zookeeper \u7684\u4e3b\u673a\u5e94\u8be5\u5c3d\u53ef\u80fd\u907f\u514d Zookeeper \u4f7f\u7528\u5230 swap<\/code>\u3002\u56e0\u4e3a Zookeeper \u7684\u4e8b\u52a1\u65e5\u5fd7\u4f1a\u9891\u7e41\u7684\u8fdb\u884c\u540c\u6b65\uff0c\u5982\u679c\u4f7f\u7528\u5230 swap\uff0c\u5219\u53ef\u80fd\u4f1a\u4e25\u91cd\u5f71\u54cd\u5230 Zookeeper \u7684\u6027\u80fd\u3002\u5f53\u7136\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u5408\u7406\u7684 JVM Heap Size \u4e5f\u53ef\u4ee5\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u3002\u800c\u5982\u679c Zookeeper \u662f\u72ec\u5360\u7684\u4e00\u53f0\u4e3b\u673a (2C4G)<\/em>\uff0c\u53ef\u4ee5\u76f4\u63a5\u628a\u8fd9\u53f0\u4e3b\u673a\u7684\u7cfb\u7edf swap \u8fdb\u884c\u5173\u95ed\u3002<\/p>\n\n\n\n
# 1. \u4e34\u65f6\u5173\u95ed Swap\nswapoff -a\n\n# 2. \u53d6\u6d88\u81ea\u542f\nsed -i.bak '\/swap\/s\/^\/# \/g' \/etc\/fstab<\/code><\/pre>\n\n\n\n
2.3 \u90e8\u7f72 Zookeeper \u5355\u673a<\/h3>\n\n\n\n
# 1. \u521b\u5efa\u6570\u636e\u76ee\u5f55\nmkdir -p \/data\/zookeeper\n\n# 2. \u89e3\u538b\ntar xf apache-zookeeper-3.8.1-bin.tar.gz -C \/opt\/\n\n# 3. \u5b9a\u4e49\u914d\u7f6e\u6587\u4ef6\ncd \/opt\/apache-zookeeper-3.8.1-bin\/conf\ncp zoo_sample.cfg zoo.cfg\nvim zoo.cfg\n# \u4fee\u6539 zoo.cfg \u5185\u5bb9\u4e3a\u5982\u4e0b:\n# tickTime=2000\n# initLimit=10\n# syncLimit=5\n# dataDir=\/data\/zookeeper\n# clientPort=2181\n# clientPortAddress=0.0.0.0\n\n# 4. \u542f\u52a8 Zookeeper \u670d\u52a1\ncd \/opt\/apache-zookeeper-3.8.1-bin\/bin\n.\/zkServer.sh start\n# \u8fd4\u56de\uff1a\n# ZooKeeper JMX enabled by default\n# Using config: \/opt\/apache-zookeeper-3.8.1-bin\/bin\/..\/conf\/zoo.cfg\n# Starting zookeeper ... STARTED\n\n# 5. \u4f7f\u7528\u56db\u5b57\u547d\u4ee4\u68c0\u67e5\u670d\u52a1\u662f\u5426\u6b63\u5e38\necho srvr | nc localhost 2181\n# \u8fd4\u56de\uff1a\n# Zookeeper version: 3.8.1-74db005175a4ec545697012f9069cb9dcc8cdda7, built on 2023-01-25 16:31 UTC\n# Latency min\/avg\/max: 0\/0.0\/0\n# Received: 1\n# Sent: 0\n# Connections: 1\n# Outstanding: 0\n# Zxid: 0x0\n# Mode: standalone\n# Node count: 5<\/code><\/pre>\n\n\n\n
\n
zoo.cfg \u914d\u7f6e\u6587\u4ef6\u53c2\u6570\u89e3\u6790\uff1a<\/p>\n\n\n\n
    \n
  • initLimit<\/strong>\uff1a\u8868\u793a\u7528\u4e8e\u5728\u4ece\u8282\u70b9\u4e0e\u4e3b\u8282\u70b9\u4e4b\u95f4\u5efa\u7acb\u521d\u59cb\u5316\u8fde\u63a5\u7684\u65f6\u95f4\u4e0a\u9650\u3002<\/li>\n\n\n\n
  • syncLimit<\/strong>\uff1a\u8868\u793a\u5141\u8bb8\u4ece\u8282\u70b9\u4e0e\u4e3b\u8282\u70b9\u5904\u4e8e\u4e0d\u540c\u6b65\u72b6\u6001\u7684\u65f6\u95f4\u4e0a\u9650<\/li>\n<\/ul>\n\n\n\n
    \u4ee5\u4e0a\u4e24\u4e2a\u503c\u90fd\u662f tickTime<\/strong> \u7684\u500d\u6570\uff0c\u6240\u4ee5 initLimit \u662f 10*2000=20000ms<\/code>\u3002<\/p>\n\n\n\n
      \n
    • dataDir<\/strong>\uff1a\u6570\u636e\u6587\u4ef6\u8def\u5f84\u3002<\/li>\n\n\n\n
    • clientPort<\/strong>\uff1aZookeeper \u670d\u52a1\u7aef\u53e3\u3002<\/li>\n\n\n\n
    • clientPortAddress<\/strong>\uff1aZookeeper \u670d\u52a1\u4fa6\u542c\u7684 IP \u5730\u5740\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n
      \u4e09 \u96c6\u7fa4\u90e8\u7f72<\/h2>\n\n\n\n
      Zookeeper \u96c6\u7fa4\u88ab\u79f0\u4e3a\u7fa4\u7ec4 \u3002Zookeeper \u4f7f\u7528\u7684\u662f\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u6240\u4ee5\u5efa\u8bae\u6bcf\u4e2a\u7fa4\u7ec4\u91cc\u5e94\u8be5\u5305\u542b\u5947\u6570\u4e2a\u8282\u70b9 \uff08\u6bd4\u5982 3 \u4e2a\u30015 \u4e2a\u7b49\uff09<\/em>\uff0c\u56e0\u4e3a\u53ea\u6709\u5f53\u7fa4\u7ec4\u91cc\u7684\u5927\u591a\u6570\u8282\u70b9 \uff08\u4e5f\u5c31\u662f\u6cd5\u5b9a\u4eba\u6570\uff09<\/em> \u5904\u4e8e\u53ef\u7528\u72b6\u6001\uff0cZookeeper \u624d\u80fd\u5904\u7406\u5916\u90e8\u7684\u8bf7\u6c42\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5305\u542b 3 \u4e2a\u8282\u70b9\u7684\u7fa4\u7ec4\uff0c\u90a3\u4e48\u5b83\u5141\u8bb8\u4e00\u4e2a\u8282\u70b9\u5931\u6548\u3002\u5982\u679c\u7fa4\u7ec4\u5305\u542b 5 \u4e2a\u8282\u70b9\uff0c\u90a3\u4e48\u5b83\u5141\u8bb8 2 \u4e2a\u8282\u70b9\u5931\u6548\u3002<\/p>\n\n\n\n
      \u5047\u8bbe\u6709\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u8282\u70b9\u7684\u7fa4\u7ec4\uff0c\u5982\u679c\u8981\u5bf9\u7fa4\u7ec4\u505a\u4e00\u4e9b\u5305\u62ec\u66f4\u6362\u8282\u70b9\u5728\u5185\u7684\u914d\u7f6e\u66f4\u6539\uff0c\u9700\u8981\u4f9d\u6b21\u91cd\u542f\u6bcf\u4e00\u4e2a\u8282\u70b9\u3002\u5982\u679c\u4f60\u7684\u7fa4\u7ec4\u65e0\u6cd5\u5bb9\u5fcd\u591a\u4e2a\u8282\u70b9\u5931\u6548\uff0c\u90a3\u4e48\u5728\u8fdb\u884c\u7fa4\u7ec4\u7ef4\u62a4\u65f6\u5c31\u4f1a\u5b58\u5728\u98ce\u9669\u3002\u4e0d\u8fc7\uff0c\u4e5f\u4e0d\u5efa\u8bae\u4e00\u4e2a\u7fa4\u7ec4\u5305\u542b\u8d85\u8fc7 7 \u4e2a\u8282\u70b9\uff0c\u56e0\u4e3a Zookeeper \u4f7f\u7528\u4e86\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u8282\u70b9\u8fc7\u591a\u4f1a\u964d\u4f4e\u6574\u4e2a\u7fa4\u7ec4\u7684\u6027\u80fd\u3002<\/mark><\/strong><\/p>\n\n\n\n
      <\/p>\n\n\n\n
      3.1 \u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/h3>\n\n\n\n
      \u90e8\u7f72\u5b8c\u591a\u4e2a Zookeeper \u8282\u70b9\u4e4b\u540e\uff0c\u53ea\u9700\u8981\u5728 zoo.cfg<\/code> \u4e2d\u6dfb\u52a0\u5bf9\u5e94\u7684\u8282\u70b9\u4fe1\u606f\uff0c\u7136\u540e\u91cd\u542f\u5373\u53ef\u3002<\/p>\n\n\n\n
      cd \/opt\/apache-zookeeper-3.8.1-bin\/conf\nvim zoo.cfg\n# 1. \u4e3a\u6bcf\u4e2a\u8282\u70b9\u90fd\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a\nserver.1=10.10.0.1:2888:3888\nserver.2=10.10.0.2:2888:3888\nserver.3=10.10.0.3:2888:3888\n\n# 2. \u6dfb\u52a0 myid \u6587\u4ef6\necho 1 > \/data\/zookeeper\/myid\n\n# 3. \u91cd\u542f\u670d\u52a1\ncd \/opt\/apache-zookeeper-3.8.1-bin\/bin\n.\/zkServer.sh restart<\/code><\/pre>\n\n\n\n
      \n
      zoo.cfg \u914d\u7f6e\u6587\u4ef6\u53c2\u6570\u89e3\u6790\uff1a<\/strong>
      Zookeeper \u96c6\u7fa4\u7684\u670d\u52a1\u5668\u5730\u5740\u9075\u5faa server.X=hostname:peerPort:leaderPort<\/code> \u7684\u683c\u5f0f\uff1a<\/p>\n\n\n\n
        \n
      • X<\/strong>\uff1a\u8868\u793a\u670d\u52a1\u5668\u7684ID\uff0c\u5fc5\u987b\u4e3a\u6574\u6570\u3002\u4e0d\u8981\u6c42\u4ece0\u5f00\u59cb\uff0c\u4e5f\u4e0d\u8981\u6c42\u8fde\u7eed\u3002<\/li>\n\n\n\n
      • hostname<\/strong>\uff1aZookeeper \u7684 IP \u5730\u5740\uff0c\u6216\u4e3b\u673a\u540d\u3002<\/li>\n\n\n\n
      • peerPort<\/strong>\uff1aZookeeper \u8282\u70b9\u95f4\u901a\u8baf\u7684 TCP \u7aef\u53e3\u3002<\/li>\n\n\n\n
      • leaderPort<\/strong>\uff1aZookeeper \u8282\u70b9\u95f4\u7528\u4e8e\u9009\u4e3e leader \u7684 TCP \u7aef\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n
        \u6ce8\uff1a<\/p>\n\n\n\n
          \n
        1. \u5ba2\u6237\u7aef\u53ea\u9700\u8981\u901a\u8fc7 clientPort<\/code> \u5373\u53ef\u8fde\u63a5\u5230 Zookeeper \u96c6\u7fa4\uff0c\u800c\u96c6\u7fa4\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u8fc7\u5219\u9700\u8981\u540c\u65f6\u7528\u5230 peerPort,leaderPort,clientPort<\/code> \u4e09\u4e2a\u7aef\u53e3\u3002<\/li>\n\n\n\n
        2. \u9664\u4e86\u516c\u5171\u7684\u914d\u7f6e\u6587\u4ef6\u5916\uff0c\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u5fc5\u987b\u5728 dataDir<\/code> \u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u53eb\u4f5c myid<\/code> \u7684\u6587\u4ef6\uff0c\u6587\u4ef6\u91cc\u8981\u5305\u542b\u670d\u52a1\u5668 ID\uff0c\u8fd9\u4e2a ID \u8981\u4e0e\u914d\u7f6e\u6587\u4ef6\u91cc\u914d\u7f6e\u7684 ID \u4fdd\u6301\u4e00\u81f4\u3002\u56e0\u6b64\u4f1a\u770b\u5230\u6b65\u9aa4\u4e2d\u5305\u542b \u6dfb\u52a0 myid \u6587\u4ef6<\/strong> \u8fd9\u4e00\u6b65\u3002<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n
          3.2 \u6d4b\u8bd5\u96c6\u7fa4<\/h3>\n\n\n\n
          # 1. \u767b\u5f55\u4efb\u610f\u4e00\u4e2a zk \u8282\u70b9\n\/opt\/apache-zookeeper-3.8.1-bin\/bin\/zkCli.sh -server 10.10.0.1:2181\n\n# 2. \u521b\u5efa\u4e00\u4e2a node\n> create \/foo bar\n# Created \/foo\n\n> get \/foo\n# bar\n\n# 3. \u767b\u5f55\u53e6\u4e00\u53f0 zk \u8282\u70b9\n\/opt\/apache-zookeeper-3.8.1-bin\/bin\/zkCli.sh -server 10.10.0.2:2181\n\n# 4. \u67e5\u770b\u540c\u6837\u7684 node\n> get \/foo\n# bar<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
          \u4e00 \u6982\u8ff0 ZooKeeper \u4e3b\u8981\u670d\u52a1\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528 ZooKeeper \u6765\u505a\uff1a\u7edf\u4e00\u914d\u7f6e\u7ba1\u7406\u3001\u7edf\u4e00\u547d\u540d\u670d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,5],"tags":[],"class_list":["post-32","post","type-post","status-publish","format-standard","hentry","category-zk","category-5"],"_links":{"self":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/32","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=32"}],"version-history":[{"count":9,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions"}],"predecessor-version":[{"id":64,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions\/64"}],"wp:attachment":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=32"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}