{"id":238,"date":"2020-02-26T16:17:34","date_gmt":"2020-02-26T08:17:34","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=238"},"modified":"2020-02-26T16:17:34","modified_gmt":"2020-02-26T08:17:34","slug":"zookeeper-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=238","title":{"rendered":"zookeeper \u7684\u57fa\u672c\u64cd\u4f5c"},"content":{"rendered":"\n<p>zookeeper \u4f5c\u4e3a\u5206\u5e03\u5f0f\u534f\u8c03\u670d\u52a1\uff0c\u6570\u636e\u7ed3\u6784\u662f\u6811\u5f62\u7684\uff0c\u7c7b\u4f3clinux\u6587\u4ef6\u7cfb\u7edf\u7ed3\u6784\uff0c\u67e5\u770b\u8282\u70b9\u6570\u636e\uff0c\u53ef\u4ee5\u7528ls\u547d\u4ee4\u3002<\/p>\n\n\n\n<p>ls \/<\/p>\n\n\n\n<p>[broker, a, b, c]<\/p>\n\n\n\n<p>ls \/a<\/p>\n\n\n\n<p>ls \/a\/t<\/p>\n\n\n\n<p class=\"has-text-color has-luminous-vivid-orange-color\">\u8282\u70b9\u6210\u4e3aZnode\uff0c\u5206\u4e3a\u4e34\u65f6\u8282\u70b9\u548c\u6301\u4e45\u5316\u8282\u70b9\u4e24\u79cd\uff0c\u6839\u636e\u662f\u5426\u6709\u987a\u5e8f\u6027\uff0c\u53c8\u53ef\u4ee5\u5206\u4e3a\u6709\u5e8f\u8282\u70b9\u548c\u65e0\u5e8f\u8282\u70b9\u3002<\/p>\n\n\n\n<p>\u4e34\u65f6\u8282\u70b9\u5728session\u8fc7\u671f\u4e4b\u540e\uff0c\u4f1a\u81ea\u52a8\u5220\u9664\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u5220\u9664<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Watcher\u673a\u5236<\/h4>\n\n\n\n<p class=\"has-text-color has-luminous-vivid-orange-color\">client\u53ef\u4ee5\u6ce8\u518c\u67d0\u4e2a\u8282\u70b9\u7684\u4e8b\u4ef6\u76d1\u542c\uff0c\u76d1\u542c\u53ea\u901a\u77e5\u4e00\u6b21\uff0c\u5982\u679c\u9700\u8981\u7684\u8bdd\u9700\u8981\u901a\u77e5\u540e\u7ee7\u7eed\u6ce8\u518c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6570\u636e\u540c\u6b65<\/h4>\n\n\n\n<p>zookeeper\u96c6\u7fa4\u4e2d\uff0c\u5199\u5165\u6570\u636e\u4f1a\u5148\u5199\u5230leader\u8282\u70b9\uff0c\u7136\u540e\u540c\u6b65\u5230follower\u8282\u70b9\uff0c\u540c\u6b65\u6210\u529f\u4e00\u628a\u4e00\u4e0a\u5c31\u7b97\u6210\u529f\u4e86\uff0c\u4f1a\u6301\u4e45\u5316\uff0c\u6240\u4ee5\u96c6\u7fa4\u6570\u91cf\u4e3a\u5947\u6570\u3002\u8fd9\u70b9\u4e0ekafka\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u66f4\u65b0\u64cd\u4f5c\u4f1a\u5148\u5199\u65e5\u5fd7\uff0cWrite Ahead Log\uff08WAL\u673a\u5236\uff09\uff0c\u65e5\u5fd7\u5199\u5b8c\u624d\u4f1a\u66f4\u65b0\u5185\u5b58\u6570\u636e\uff0c\u7136\u540e\u901a\u77e5client\u7ed3\u679c\u3002\u540c\u65f6\u4e5f\u4f1a\u5b9a\u65f6\u4fdd\u5b58\u5feb\u7167\uff0c\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u52a0\u5feb\u6062\u590d\u901f\u5ea6\u3002\u5feb\u7167\u6062\u590d\u662f\u5feb\u4e8e\u91cd\u65b0\u6267\u884c\u65e5\u5fd7\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e94\u7528\u573a\u666f<\/h4>\n\n\n\n<p>\u76d1\u63a7\uff0c\u547d\u540d\u670d\u52a1\uff0c\u914d\u7f6e\u4e2d\u5fc3\uff0c\u5206\u5e03\u5f0f\u9501\uff0cleader\u9009\u4e3e\uff0c\u5c4f\u969c\uff0c\u8d1f\u8f7d\u5747\u8861\u7b49\u3002<\/p>\n\n\n\n<p>1.\u6700\u7b80\u5355\u7684\u4f8b\u5b50\uff0ca\u7a0b\u5e8f\u76d1\u542c\u67d0\u4e2a\u8282\u70b9\uff0c\u53d1\u9001\u6d88\u606f\u5230\u6d88\u606f\u961f\u5217\uff0cb\u53d6\u6d88\u606f\u5904\u7406\uff0c\u5904\u7406\u7ed3\u675f\u4fee\u6539\u8282\u70b9\u4fe1\u606f\uff0ca\u5f97\u5230\u901a\u77e5\u5728\u505a\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n\n\n\n<p>2.\u914d\u7f6e\u4e2d\u5fc3\uff0cclient\u90fd\u76d1\u542c\u67d0\u4e2a\u8282\u70b9\u7684\u72b6\u6001\u53d8\u5316\uff0c\u914d\u7f6e\u4fee\u6539\u65f6\u540c\u65f6\u4fee\u6539\u72b6\u6001\uff0c\u53ef\u4ee5\u540c\u6b65\u66f4\u65b0\u914d\u7f6e<\/p>\n\n\n\n<p>3.\u7b80\u5355\u7684\u9501<\/p>\n\n\n\n<p>\u67d0\u4e00\u4e2a\u4e34\u65f6\u8282\u70b9\uff0c\/lock\/mylock\/\uff0c\u7a0b\u5e8f\u4e89\u593a\u8fd9\u4e2a\u8282\u70b9\u7684\u521b\u5efa\u6743\uff0c\u521b\u5efa\u6210\u529f\u7684\uff0c\u83b7\u53d6\u9501\uff0c\u5426\u5219\u76d1\u542c\u8fd9\u4e2a\u8282\u70b9\u7684\u5220\u9664\u4e8b\u4ef6\uff0c\u5220\u9664\u540e\u5728\u4e89\u593a\u4e00\u6b21\u3002\u8fbe\u5230\u7b80\u5355\u7684\u5206\u5e03\u5f0f\u9501\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n<p>4.\u9ad8\u7ea7\u4e00\u70b9\u7684\u9501<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u60c5\u51b5\uff0c\u5f53\u7ade\u4e89\u7684\u7a0b\u5e8f\u8fc7\u591a\u7684\u65f6\u5019\uff0c\u4f1a\u6709\u7f8a\u7fa4\u6548\u5e94\uff0c\u76d1\u63a7\u540c\u4e00\u4e2a\u8282\u70b9\u7684\u7a0b\u5e8f\u592a\u591a\uff0c\u9501\u91ca\u653e\u540e\uff0c\u540c\u65f6\u4e89\u593a\u8d44\u6e90\uff0c\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u4fee\u6539\u8282\u70b9\u4f1a\u4e34\u65f6\u6709\u5e8f\u8282\u70b9\uff0c\/lock\/lock-000001\u4e4b\u7c7b\u7684\uff0c\u4e89\u593a\u9501\u7684\u65f6\u5019\uff0c\u521b\u5efa\u4e34\u65f6\u6709\u5e8f\u8282\u70b9\uff0c\u6700\u70b9\u5e8f\u5217\u6700\u5c0f\u7684\u83b7\u5f97\u9501\uff0c\u4e00\u5f00\u59cb000001\u83b7\u5f97\u9501\uff0c\u6b64\u65f6\u521b\u5efa\u76840000002\u7684\u7a0b\u5e8f\u76d1\u63a7000001\uff0c000003\u76d1\u63a7000002\uff0c\u5f53000001\u91ca\u653e\u65f6\u5019\uff0c0000002\u83b7\u5f97\u9501\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002leader\u9009\u4e3e\u4e5f\u662f\u7c7b\u4f3c\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>5.\u5c4f\u969c<\/p>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u4e8b\u60c5\uff0c\u9700\u8981\u591a\u4e2a\u6761\u4ef6\u8fbe\u5230\u624d\u80fd\u89e3\u9501\u3002\u6b64\u65f6\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u8282\u70b9\u505a\u4e3a\u5c4f\u969c\uff0ca\u5904\u7406\u5b8c\u540e\uff0c\u53d1\u73b0\u6ca1\u6709\u8fbe\u5230\u6761\u4ef6\uff0c\u76d1\u542c\u7b49\u5f85\uff0cb\u5904\u7406\u5b8c\uff0c\u4e5f\u76d1\u542c\u7b49\u5f85\u3002\u3002\u3002\u3002\u76f4\u5230x\u5904\u7406\u5b8c\uff0c\u53d1\u73b0\u8fbe\u5230\u6761\u4ef6\u4e86\uff0c\u5220\u9664\u5c4f\u969c\uff0c\u7a0b\u5e8f\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>zookeeper \u4f5c\u4e3a\u5206\u5e03\u5f0f\u534f\u8c03\u670d\u52a1\uff0c\u6570\u636e\u7ed3\u6784\u662f\u6811\u5f62\u7684\uff0c\u7c7b\u4f3clinux\u6587\u4ef6\u7cfb\u7edf\u7ed3\u6784\uff0c\u67e5\u770b\u8282\u70b9\u6570\u636e\uff0c\u53ef\u4ee5\u7528ls [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/238"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=238"}],"version-history":[{"count":34,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":272,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/238\/revisions\/272"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}