{"id":827,"date":"2018-07-20T08:36:32","date_gmt":"2018-07-20T00:36:32","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=827"},"modified":"2018-07-20T08:36:32","modified_gmt":"2018-07-20T00:36:32","slug":"%e3%80%90%e5%88%86%e5%b8%83%e5%bc%8f%e3%80%91zookeeper%e7%b3%bb%e7%bb%9f%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=827","title":{"rendered":"\u3010\u5206\u5e03\u5f0f\u3011Zookeeper\u7cfb\u7edf\u6a21\u578b"},"content":{"rendered":"<p><strong>\u4e00\u3001\u524d\u8a00<\/strong><\/p>\n<p>\u524d\u9762\u5df2\u7ecf\u8bb2\u89e3\u4e86Zookeeper\u7684\u4e00\u4e9b\u5e94\u7528\u573a\u666f\uff0c\u4f46\u662f\u5e76\u6ca1\u6709\u6df1\u5165\u5230Zookeeper\u5185\u90e8\u8fdb\u884c\u5206\u6790\uff0c\u672c\u7bc7\u5c06\u8bb2\u89e3\u5176\u7cfb\u7edf\u6a21\u578b\u3002<\/p>\n<p><strong>\u4e8c\u3001\u7cfb\u7edf\u6a21\u578b<\/strong><\/p>\n<p>2.1 \u6570\u636e\u6a21\u578b<\/p>\n<p>Zookeeper\u7684\u6570\u636e\u8282\u70b9\u79f0\u4e3aZNode\uff0cZNode\u662fZookeeper\u4e2d\u6570\u636e\u7684\u6700\u5c0f\u5355\u5143\uff0c\u6bcf\u4e2aZNode\u90fd\u53ef\u4ee5\u4fdd\u5b58\u6570\u636e\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u6302\u8f7d\u5b50\u8282\u70b9\uff0c\u56e0\u6b64\u6784\u6210\u4e86\u4e00\u4e2a\u5c42\u6b21\u5316\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u79f0\u4e3a\u6811\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images2015.cnblogs.com\/blog\/616953\/201611\/616953-20161117093506826-316952237.png\" alt=\"\" \/><\/p>\n<p>\u5728Zookeeper\u4e2d\uff0c\u4e8b\u52a1\u662f\u6307\u80fd\u591f\u6539\u53d8Zookeeper\u670d\u52a1\u5668\u72b6\u6001\u7684\u64cd\u4f5c\uff0c\u4e00\u822c\u5305\u62ec\u8282\u70b9\u521b\u5efa\u4e0e\u5220\u9664\uff0c\u6570\u636e\u8282\u70b9\u5185\u5bb9\u66f4\u65b0\u548c\u5ba2\u6237\u7aef\u4f1a\u8bdd\u521b\u5efa\u4e0e\u5931\u6548\uff0c\u5bf9\u4e8e\u6bcf\u4e2a\u4e8b\u52a1\u8bf7\u6c42\uff0cZookeeper\u90fd\u4f1a\u4e3a\u5176\u5206\u914d\u4e00\u4e2a\u5168\u5c40\u552f\u4e00\u7684\u4e8b\u52a1ID\uff0c\u7528ZXID\u8868\u793a\uff0c\u901a\u5e38\u662f64\u4f4d\u7684\u6570\u5b57\uff0c\u6bcf\u4e2aZXID\u5bf9\u5e94\u4e00\u6b21\u66f4\u65b0\u64cd\u4f5c\uff0c\u4ece\u8fd9\u4e9bZXID\u4e2d\u53ef\u4ee5\u95f4\u63a5\u5730\u8bc6\u522b\u51faZookeeper\u5904\u7406\u8fd9\u4e9b\u66f4\u65b0\u64cd\u4f5c\u8bf7\u6c42\u7684\u5168\u5c40\u987a\u5e8f\u3002<\/p>\n<p>2.2 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\u7248\u672c&#8211;\u4fdd\u8bc1\u5206\u5e03\u5f0f\u6570\u636e\u539f\u5b50\u6027\u64cd\u4f5c<\/p>\n<p>\u6bcf\u4e2a\u6570\u636e\u8282\u70b9\u90fd\u5177\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u7248\u672c\u4fe1\u606f\uff0c\u5bf9\u6570\u636e\u8282\u70b9\u7684\u4efb\u4f55\u66f4\u65b0\u64cd\u4f5c\u90fd\u4f1a\u5f15\u8d77\u7248\u672c\u53f7\u7684\u53d8\u5316\u3002<\/p>\n<p>version&#8211; \u5f53\u524d\u6570\u636e\u8282\u70b9\u6570\u636e\u5185\u5bb9\u7684\u7248\u672c\u53f7<\/p>\n<p>cversion&#8211; \u5f53\u524d\u6570\u636e\u5b50\u8282\u70b9\u7684\u7248\u672c\u53f7<\/p>\n<p>aversion&#8211; \u5f53\u524d\u6570\u636e\u8282\u70b9ACL\u53d8\u66f4\u7248\u672c\u53f7<\/p>\n<p>\u4e0a\u8ff0\u5404\u7248\u672c\u53f7\u90fd\u662f\u8868\u793a\u4fee\u6539\u6b21\u6570\uff0c\u5982version\u4e3a1\u8868\u793a\u5bf9\u6570\u636e\u8282\u70b9\u7684\u5185\u5bb9\u53d8\u66f4\u4e86\u4e00\u6b21\u3002\u5373\u4f7f\u524d\u540e\u4e24\u6b21\u53d8\u66f4\u5e76\u6ca1\u6709\u6539\u53d8\u6570\u636e\u5185\u5bb9\uff0cversion\u7684\u503c\u4ecd\u7136\u4f1a\u6539\u53d8\u3002version\u53ef\u4ee5\u7528\u4e8e\u5199\u5165\u9a8c\u8bc1\uff0c\u7c7b\u4f3c\u4e8eCAS\u3002<\/p>\n<p>2.4 Watcher&#8211;\u6570\u636e\u53d8\u66f4\u901a\u77e5<\/p>\n<p>Zookeeper\u4f7f\u7528Watcher\u673a\u5236\u5b9e\u73b0\u5206\u5e03\u5f0f\u6570\u636e\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images2015.cnblogs.com\/blog\/616953\/201611\/616953-20161122094930487-367521759.png\" alt=\"\" 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