{"id":176107,"date":"2024-11-08T10:08:18","date_gmt":"2024-11-08T02:08:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176107\/"},"modified":"2024-11-08T10:08:18","modified_gmt":"2024-11-08T02:08:18","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-62-%e4%b8%8d%e6%94%af%e6%8c%81oplog%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176107\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 62 &#8211; \u4e0d\u652f\u6301Oplog\u64cd\u4f5c"},"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-62-%e4%b8%8d%e6%94%af%e6%8c%81oplog%e6%93%8d%e4%bd%9c-WguarkGVnd\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 62 &#8211; \u4e0d\u652f\u6301Oplog\u64cd\u4f5c<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc62\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u4e0d\u652f\u6301Oplog\u64cd\u4f5c\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u7dad\u8b77MongoDB\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc62%e7%9a%84%e5%8e%9f%e5%9b%a0-WguarkGVnd\">\u932f\u8aa4\u4ee3\u78bc62\u7684\u539f\u56e0<\/h2>\n<p>MongoDB\u7684Oplog\uff08\u64cd\u4f5c\u65e5\u8a8c\uff09\u662f\u7528\u65bc\u8a18\u9304\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u7279\u6b8a\u96c6\u5408\uff0c\u4e3b\u8981\u7528\u65bc\u652f\u6301\u8907\u88fd\u548c\u9ad8\u53ef\u7528\u6027\u3002\u7576\u51fa\u73fe\u932f\u8aa4\u4ee3\u78bc62\u6642\uff0c\u901a\u5e38\u662f\u56e0\u70ba\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>Oplog\u672a\u555f\u7528\uff1a<\/strong>\u5728\u67d0\u4e9bMongoDB\u90e8\u7f72\u4e2d\uff0c\u7279\u5225\u662f\u55ae\u7bc0\u9ede\u90e8\u7f72\uff0cOplog\u53ef\u80fd\u672a\u88ab\u555f\u7528\uff0c\u9019\u6703\u5c0e\u81f4\u4e0d\u652f\u6301Oplog\u64cd\u4f5c\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u67d0\u4e9bMongoDB\u7248\u672c\u53ef\u80fd\u4e0d\u652f\u6301\u7279\u5b9a\u7684Oplog\u64cd\u4f5c\uff0c\u9019\u53ef\u80fd\u662f\u7531\u65bc\u7248\u672c\u4e4b\u9593\u7684\u5dee\u7570\u6216\u4e0d\u517c\u5bb9\u6027\u3002<\/li>\n<li><strong>\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u5982\u679cMongoDB\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u672a\u6b63\u78ba\u8a2d\u7f6eOplog\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc62-WguarkGVnd\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc62<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc62\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5oplog%e6%98%af%e5%90%a6%e5%95%9f%e7%94%a8-WguarkGVnd\">1. \u6aa2\u67e5Oplog\u662f\u5426\u555f\u7528<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8dOplog\u662f\u5426\u5df2\u555f\u7528\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5Oplog\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>use local\ndb.oplog.rs.find().limit(1)<\/code><\/pre>\n<p>\u5982\u679c\u8a72\u547d\u4ee4\u8fd4\u56de\u7d50\u679c\uff0c\u5247\u8868\u793aOplog\u5df2\u555f\u7528\uff1b\u5982\u679c\u6c92\u6709\u8fd4\u56de\u7d50\u679c\uff0c\u5247\u9700\u8981\u555f\u7528Oplog\u3002\u901a\u5e38\uff0cOplog\u50c5\u5728\u526f\u672c\u96c6\u6a21\u5f0f\u4e0b\u555f\u7528\uff0c\u56e0\u6b64\u5982\u679c\u60a8\u5728\u55ae\u7bc0\u9ede\u6a21\u5f0f\u4e0b\u904b\u884cMongoDB\uff0c\u5247\u9700\u8981\u8003\u616e\u5c07\u5176\u8f49\u63db\u70ba\u526f\u672c\u96c6\u6a21\u5f0f\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5mongodb%e7%89%88%e6%9c%ac-WguarkGVnd\">2. \u6aa2\u67e5MongoDB\u7248\u672c<\/h3>\n<p>\u78ba\u4fdd\u60a8\u4f7f\u7528\u7684MongoDB\u7248\u672c\u652f\u6301\u6240\u9700\u7684Oplog\u64cd\u4f5c\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7576\u524d\u7248\u672c\uff1a<\/p>\n<pre><code>mongod --version<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u7684\u7248\u672c\u904e\u820a\uff0c\u5efa\u8b70\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u529f\u80fd\u652f\u6301\u3002<\/p>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e6%aa%a2%e6%9f%a5-WguarkGVnd\">3. \u914d\u7f6e\u6587\u4ef6\u6aa2\u67e5<\/h3>\n<p>\u6aa2\u67e5MongoDB\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmongod.conf\uff09\uff0c\u78ba\u4fddOplog\u7684\u76f8\u95dc\u8a2d\u7f6e\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>replication:\n  oplogSizeMB: 1024\n  replSetName: \"myReplicaSet\"<\/code><\/pre>\n<p>\u78ba\u4fdd\u60a8\u5df2\u6b63\u78ba\u8a2d\u7f6ereplSetName\uff0c\u4e26\u6839\u64da\u9700\u8981\u8abf\u6574oplogSizeMB\u7684\u5927\u5c0f\u3002<\/p>\n<h3 id=\"4-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95mongodb%e6%9c%8d%e5%8b%99-WguarkGVnd\">4. \u91cd\u65b0\u555f\u52d5MongoDB\u670d\u52d9<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u914d\u7f6e\u66f4\u6539\u5f8c\uff0c\u8acb\u52d9\u5fc5\u91cd\u65b0\u555f\u52d5MongoDB\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart mongod<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WguarkGVnd\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc62\u901a\u5e38\u8207Oplog\u7684\u914d\u7f6e\u548c\u555f\u7528\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5Oplog\u7684\u72c0\u614b\u3001\u78ba\u4fddMongoDB\u7248\u672c\u517c\u5bb9\u3001\u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6\u4ee5\u53ca\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u6b63\u78ba\u914d\u7f6eOplog\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MongoDB\u5be6\u4f8b\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u521d\u5275\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u5b89\u5168\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc62\uff0c\u89e3\u6c7a\u4e0d\u652f\u6301Oplog\u64cd\u4f5c\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-176107","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176107","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=176107"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176107\/revisions"}],"predecessor-version":[{"id":176108,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176107\/revisions\/176108"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}