{"id":175691,"date":"2024-11-08T07:59:19","date_gmt":"2024-11-07T23:59:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175691\/"},"modified":"2024-11-08T07:59:19","modified_gmt":"2024-11-07T23:59:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-114-%e5%88%9d%e5%a7%8b%e5%90%8c%e6%ad%a5oplog%e6%ba%90%e4%b8%9f%e5%a4%b1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175691\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 114 &#8211; \u521d\u59cb\u540c\u6b65Oplog\u6e90\u4e1f\u5931"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-114-%e5%88%9d%e5%a7%8b%e5%90%8c%e6%ad%a5oplog%e6%ba%90%e4%b8%9f%e5%a4%b1-bHPKjajUbm\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 114 &#8211; \u521d\u59cb\u540c\u6b65Oplog\u6e90\u4e1f\u5931<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc114\uff0c\u9019\u901a\u5e38\u8868\u793a\u5728\u521d\u59cb\u540c\u6b65\u904e\u7a0b\u4e2dOplog\u6e90\u4e1f\u5931\u3002\u9019\u500b\u554f\u984c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u540c\u6b65\u5931\u6557\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc114%e7%9a%84%e6%88%90%e5%9b%a0-bHPKjajUbm\">\u932f\u8aa4\u4ee3\u78bc114\u7684\u6210\u56e0<\/h2>\n<p>MongoDB\u7684Oplog\uff08\u64cd\u4f5c\u65e5\u8a8c\uff09\u662f\u7528\u65bc\u8a18\u9304\u6240\u6709\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7279\u6b8a\u96c6\u5408\uff0c\u4e3b\u8981\u7528\u65bc\u652f\u6301\u8907\u88fd\u529f\u80fd\u3002\u5728\u9032\u884c\u6578\u64da\u5eab\u7684\u521d\u59cb\u540c\u6b65\u6642\uff0c\u5f9e\u4e3b\u7bc0\u9ede\u5230\u5f9e\u7bc0\u9ede\u7684\u6578\u64da\u50b3\u8f38\u4f9d\u8cf4\u65bcOplog\u3002\u5982\u679c\u5728\u9019\u4e00\u904e\u7a0b\u4e2dOplog\u6e90\u4e1f\u5931\uff0c\u5247\u6703\u51fa\u73fe\u932f\u8aa4\u4ee3\u78bc114\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>Oplog\u5df2\u7d93\u88ab\u6e05\u9664\uff1a<\/strong>\u5982\u679cOplog\u7684\u5927\u5c0f\u8a2d\u7f6e\u4e0d\u7576\uff0c\u820a\u7684\u64cd\u4f5c\u8a18\u9304\u53ef\u80fd\u6703\u88ab\u81ea\u52d5\u522a\u9664\uff0c\u5c0e\u81f4\u5f9e\u7bc0\u9ede\u7121\u6cd5\u627e\u5230\u6240\u9700\u7684\u64cd\u4f5c\u8a18\u9304\u3002<\/li>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u5728\u6578\u64da\u540c\u6b65\u904e\u7a0b\u4e2d\uff0c\u7db2\u7d61\u4e0d\u7a69\u5b9a\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5305\u4e1f\u5931\uff0c\u5f9e\u800c\u5f71\u97ffOplog\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u4e3b\u7bc0\u9ede\u6545\u969c\uff1a<\/strong>\u5982\u679c\u4e3b\u7bc0\u9ede\u5728\u540c\u6b65\u904e\u7a0b\u4e2d\u767c\u751f\u6545\u969c\uff0c\u5f9e\u7bc0\u9ede\u53ef\u80fd\u7121\u6cd5\u7372\u53d6\u6700\u65b0\u7684Oplog\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-bHPKjajUbm\">\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230\u932f\u8aa4\u4ee3\u78bc114\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5oplog%e5%a4%a7%e5%b0%8f-bHPKjajUbm\">1. \u6aa2\u67e5Oplog\u5927\u5c0f<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5Oplog\u7684\u5927\u5c0f\u8a2d\u7f6e\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bOplog\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>use local\ndb.oplog.rs.stats()<\/code><\/pre>\n<p>\u5982\u679cOplog\u7684\u5927\u5c0f\u4e0d\u8db3\u4ee5\u5b58\u5132\u6240\u6709\u64cd\u4f5c\u8a18\u9304\uff0c\u5247\u9700\u8981\u589e\u52a0\u5176\u5927\u5c0f\u3002\u53ef\u4ee5\u901a\u904e\u91cd\u65b0\u5275\u5efa\u6578\u64da\u5eab\u4f86\u8a2d\u7f6e\u66f4\u5927\u7684Oplog\uff1a<\/p>\n<pre><code>mongod --replSet rs0 --oplogSize 1024<\/code><\/pre>\n<h3 id=\"2-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95%e5%be%9e%e7%af%80%e9%bb%9e-bHPKjajUbm\">2. \u91cd\u65b0\u555f\u52d5\u5f9e\u7bc0\u9ede<\/h3>\n<p>\u5982\u679cOplog\u7684\u5927\u5c0f\u5df2\u7d93\u8db3\u5920\uff0c\u5247\u53ef\u4ee5\u5617\u8a66\u91cd\u65b0\u555f\u52d5\u5f9e\u7bc0\u9ede\u3002\u9019\u6a23\u53ef\u4ee5\u91cd\u65b0\u5efa\u7acb\u8207\u4e3b\u7bc0\u9ede\u7684\u9023\u63a5\uff0c\u4e26\u91cd\u65b0\u5617\u8a66\u540c\u6b65\u904e\u7a0b\u3002<\/p>\n<pre><code>rs.stepDown()<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-bHPKjajUbm\">3. \u6aa2\u67e5\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u78ba\u4fdd\u4e3b\u7bc0\u9ede\u548c\u5f9e\u7bc0\u9ede\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u7a69\u5b9a\u3002\u53ef\u4ee5\u4f7f\u7528ping\u547d\u4ee4\u6aa2\u67e5\u9023\u63a5\u72c0\u614b\uff1a<\/p>\n<pre><code>ping \u4e3b\u7bc0\u9edeIP<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%85%a8%e9%87%8f%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5-bHPKjajUbm\">4. \u4f7f\u7528\u5168\u91cf\u6578\u64da\u540c\u6b65<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u6b65\u9a5f\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u5247\u53ef\u80fd\u9700\u8981\u9032\u884c\u5168\u91cf\u6578\u64da\u540c\u6b65\u3002\u9019\u610f\u5473\u8457\u9700\u8981\u5f9e\u4e3b\u7bc0\u9ede\u91cd\u65b0\u5c0e\u51fa\u6578\u64da\u4e26\u5c0e\u5165\u5230\u5f9e\u7bc0\u9ede\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5168\u91cf\u5c0e\u51fa\uff1a<\/p>\n<pre><code>mongodump --host \u4e3b\u7bc0\u9edeIP --out \/path\/to\/backup<\/code><\/pre>\n<p>\u7136\u5f8c\u5728\u5f9e\u7bc0\u9ede\u4e0a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c0e\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>mongorestore --host \u5f9e\u7bc0\u9edeIP \/path\/to\/backup<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bHPKjajUbm\">\u7e3d\u7d50<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc114 &#8211; \u521d\u59cb\u540c\u6b65Oplog\u6e90\u4e1f\u5931\u662f\u4e00\u500b\u5e38\u898b\u7684MongoDB\u554f\u984c\uff0c\u901a\u5e38\u7531\u65bcOplog\u5927\u5c0f\u4e0d\u8db3\u3001\u7db2\u7d61\u554f\u984c\u6216\u4e3b\u7bc0\u9ede\u6545\u969c\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5Oplog\u5927\u5c0f\u3001\u91cd\u65b0\u555f\u52d5\u5f9e\u7bc0\u9ede\u3001\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u4ee5\u53ca\u9032\u884c\u5168\u91cf\u6578\u64da\u540c\u6b65\u7b49\u6b65\u9a5f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc114\uff0c\u89e3\u6c7a\u521d\u59cb\u540c\u6b65\u6642Oplog\u6e90\u4e1f\u5931\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175691","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175691"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175691\/revisions"}],"predecessor-version":[{"id":175692,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175691\/revisions\/175692"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}