{"id":29537,"date":"2024-02-21T07:58:49","date_gmt":"2022-12-31T12:35:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e4%b9%9f%e8%83%bd%e7%90%86%e8%a7%a3%e7%9a%84%e7%b3%bb%e5%88%97%ef%bc%9amongodb%e7%9a%84%e5%a4%8d%e5%88%b6\/"},"modified":"2025-08-12T14:36:38","modified_gmt":"2025-08-12T06:36:38","slug":"%e6%88%91%e4%b9%9f%e8%83%bd%e7%90%86%e8%a7%a3%e7%9a%84%e7%b3%bb%e5%88%97%ef%bc%9amongodb%e7%9a%84%e5%a4%8d%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e4%b9%9f%e8%83%bd%e7%90%86%e8%a7%a3%e7%9a%84%e7%b3%bb%e5%88%97%ef%bc%9amongodb%e7%9a%84%e5%a4%8d%e5%88%b6\/","title":{"rendered":"\u6211\u4e5f\u80fd\u7406\u89e3\u7684\u7cfb\u5217\uff1aMongoDB\u7684\u590d\u5236"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662fMongoDB Advent Calendar 2015\u7684\u7b2c17\u5929\u3002<\/p>\n<h1>\u7b80\u8981\u603b\u7ed3<\/p>\n<p>\u8fd9\u662f\u4e00\u7bc7\u5145\u6ee1\u4e86\u4f55\u5fc5\u73b0\u5728\u624d\u7684\u56de\u987e\u6587\u7ae0\u3002<\/p>\n<p>\u5efa\u8bae\u9605\u8bfb MongoDB Manual 3.0 \u4e2d\u7684 Replication \u6587\u6863\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u5305\u542b\u65e0\u610f\u4e2d\u7684\u8c0e\u8a00\u3002<\/p>\n<h1>Replica Set\u662f\u4ec0\u4e48\uff1f<\/p>\n<ul class=\"post-ul\">\nReplication Introduction \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u590d\u5236\u96c6\u662fMongoDB\u63d0\u4f9b\u7684\u5f3a\u5927\u7684\u590d\u5236\u548c\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u673a\u5236\u3002<\/p>\n<p>\u5728\u7531\u591a\u4e2aMongoDB\u670d\u52a1\u5668\u6784\u5efa\u7684\u590d\u5236\u96c6\u4e2d\uff0c\u53ef\u4ee5\u5c06\u5176\u4f5c\u4e3a\u5206\u7247\uff08Shard\uff09\u6dfb\u52a0\u5230\u53e6\u4e00\u4e2aMongoDB\u5f3a\u5927\u7684\u529f\u80fd\u4e2d\uff0c\u5373\u5206\u7247\uff08\u6c34\u5e73\u5206\u5272\uff09\u3002<\/p>\n<p>\u65e0\u8bba\u662f\u6784\u5efa\u5927\u89c4\u6a21\u9ad8\u53ef\u7528\u7684MongoDB\u6570\u636e\u5e93\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u8fd9\u4e9b\u4e1c\u897f\uff0c\u5e76\u4e14\u53ef\u4ee5\u5c06\u5176\u4f5c\u4e3aMongoDB\u7684\u6807\u51c6\u529f\u80fd\uff0c\u8fd9\u88ab\u8ba4\u4e3a\u662fMongoDB\u7684\u4e00\u5927\u4f18\u52bf\u3002<\/p>\n<h1>\u590d\u5236\u96c6\u6210\u5458<\/p>\n<ul class=\"post-ul\">\nReplica Set Members \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u526f\u672c\u96c6\u7684\u529f\u80fd\uff0c\u81f3\u5c11\u9700\u89813\u53f0MongoDB\u670d\u52a1\u5668\u3002\u8fd9\u5305\u62ec1\u53f0\u4e3b\u8282\u70b9\uff0c1\u53f0\u6216\u591a\u53f0\u4ece\u8282\u70b9\u4ee5\u53ca0\u53f0\u62161\u53f0\u4ef2\u88c1\u8005\u3002<\/p>\n<h2>\u76ee\u524d\u4e3b\u8981\u7684<\/p>\n<p>\u6211\u662f\u590d\u5236\u7684\u6e90\u5934\u6210\u5458\u3002<\/p>\n<p>\u4ece\u539f\u7406\u4e0a\u8bb2\uff0c\u7531\u4e8e\u5199\u5165\u64cd\u4f5c\u96c6\u4e2d\u5728\u8fd9\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u6240\u4ee5\u540e\u9762\u63d0\u5230\u7684\u8bfb\u53d6\u504f\u597d\u4f7f\u7528\u7684\u65b9\u6cd5\u5c06\u6210\u4e3a\u63d0\u9ad8\u590d\u5236\u96c6\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n<h2>\u4e2d\u5b66\u7684<\/p>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u6210\u4e3a\u590d\u5236\u54c1\u7684\u5b50\u8282\u70b9\uff0c\u5e76\u4e14\u6309\u7167Primary\u8fdb\u884c\u6570\u636e\u590d\u5236\u7684\u6210\u5458\u3002<\/p>\n<p>\u4e3b\u8981\u6210\u5458\u7684\u6295\u7968\u51b3\u5b9a\u4e86\u5f53Primary\u6210\u5458\u6b7b\u4ea1\u65f6\uff0c\u54ea\u4e2aSecondary\u6210\u5458\u5c06\u5347\u4e3aPrimary\u3002\u5982\u679c\u662f\u8bfb\u64cd\u4f5c\u8f83\u591a\u7684\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u7531\u4e8e\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u8bfb\u53d6\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0Secondary\u6210\u5458\u7684\u6570\u91cf\u6765\u5206\u62c5\u8bfb\u64cd\u4f5c\u7684\u8d1f\u8f7d\uff0c\u800c\u65e0\u9700\u8fdb\u884c\u5206\u7247\u7684\u6c34\u5e73\u5206\u5272\u3002\u6b64\u5916\uff0c\u589e\u52a0Secondary\u6210\u5458\u8fd8\u80fd\u589e\u5f3a\u7cfb\u7edf\u5bf9\u540c\u65f6\u6210\u5458\u6b7b\u4ea1\u7684\u97e7\u6027\u3002<\/p>\n<h3>\u9690\u85cf\u7684  de)<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u88ab\u8bbe\u7f6e\u4e3a\u4e0d\u88ab\u5f15\u7528\uff0c\u5e76\u4e14\u4e0d\u4f1a\u664b\u5347\u4e3aPrimary\u7684Secondary\u3002\u5b83\u4e0d\u4f1a\u88ab\u5f15\u7528\uff0c\u53ea\u4f1a\u8ffd\u968fPrimary\u7684\u6570\u636e\uff0c\u6240\u4ee5\u76f8\u6bd4\u5176\u4ed6Secondary\uff0c\u5b83\u7684\u8d1f\u8f7d\u8f83\u4f4e\u3002<\/p>\n<p>\u5f53\u9700\u8981\u5b9a\u671f\u5907\u4efd\u6574\u4e2a\u6570\u636e\u5e93\u65f6\uff0c\u4e3a\u4e86\u521b\u5efa\u4e00\u4e2a\u5feb\u7167\u70b9\uff0c\u9700\u8981\u8fd9\u6837\u7684\u6210\u5458\u4f7f\u5f97\u505c\u6b62\u5bf9\u6587\u4ef6\u7cfb\u7edf\u7684\u540c\u6b65\u4e5f\u4e0d\u4f1a\u6709\u95ee\u9898\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u79f0\u4e3aDelayed\u6210\u5458\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u6709\u610f\u5730\u4fdd\u7559\u5ef6\u8fdf\u7684\u6570\u636e\u3002<\/p>\n<h2>\u4ef2\u88c1\u8005<\/p>\n<p>DB\u306e\u30c7\u30fc\u30bf\u306f\u4fdd\u6301\u305b\u305a\u3001\u5358\u306bPrimary\u6b7b\u4ea1\u6642\u306e\u6607\u683c\u6295\u7968\u306e\u307f\u3092\u884c\u3044\u307e\u3059\u3002\u5b9f\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u304c\u4e00\u5207\u306a\u304f\u3001\u8ca0\u8377\u306f\u975e\u5e38\u306b\u4f4e\u3044\u3067\u3059\u3002Arbiter\u306f\u5fc5\u9808\u3067\u306f\u306a\u304f\u3001\u901a\u5e38Primary\u3068Secondary\u306e\u30e1\u30f3\u30d0\u30fc\u6570\u306e\u5408\u8a08\u304c\u5076\u6570\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u5834\u5408\u306b\u6570\u5408\u308f\u305b\u3068\u3057\u3066\u53c2\u52a0\u3055\u305b\u308b\u30e1\u30f3\u30d0\u30fc\u3067\u3059\u3002<\/p>\n<h1>\u590d\u5236\u96c6\u7684\u914d\u7f6e<\/p>\n<ul class=\"post-ul\">\nReplica Set Deployment Architectures \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u8981\u6c42\u7684\u6027\u80fd\u65b9\u9762\uff0c<\/p>\n<p>\u4e3b\u8981 = \u6b21\u8981 >> \u9690\u85cf >> \u4ef2\u88c1\u8005<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u5404\u79cd\u7ec4\u5408\uff08\u6309\u7167\u53ef\u80fd\u964d\u4f4e\u6210\u672c\u7684\u987a\u5e8f\u6392\u5217\uff09\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<thead>\n<tr>\n<th>Primary<\/th>\n<th>Secondary<\/th>\n<th>Secondary (Hidden)<\/th>\n<th>Arbiter<\/th>\n<th>\u5408\u8a08\u53f0\u6570<\/th>\n<th>\u540c\u6642\u6b7b\u4ea1\u8a31\u5bb9\u6570<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>3<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>3<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>2<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>3<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>2<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>5<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>3<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>5<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>3<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>5<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>4<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>5<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>4<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>7<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>5<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>7<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>5<\/td>\n<td>1<\/td>\n<td>0<\/td>\n<td>7<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>6<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>7<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&#8230;<\/td>\n<td>&#8230;<\/td>\n<td>&#8230;<\/td>\n<td>n<\/td>\n<td>(n &#8211; 1) \/ 2<\/td>\n<\/tr>\n<\/tbody>\n<p>\u5076\u6570\u53f0\u3067\u306e\u69cb\u6210\u3082\u53ef\u80fd\u306a\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u306fArbiter\u3092\u52a0\u3048\u3066\u5fc5\u305a\u5947\u6570\u306b\u3059\u308b\u3088\u3046\u306b\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u306b\u66f8\u3044\u3066\u3044\u306a\u3044\u3001\u4f8b\u3048\u3070\u9045\u3089\u305b\u308b\u6642\u9593\u3092\u5909\u3048\u305f\u8907\u6570\u53f0\u306eDelayed\u30e1\u30f3\u30d0\u30fc\u3092\u52a0\u3048\u308b\u3068\u3044\u3046\u69cb\u6210\u3082\u8003\u3048\u3089\u308c\u307e\u3059\uff08\u305d\u306e\u5834\u5408\u3001\u5408\u8a08\u53f0\u6570\u3068\u540c\u6642\u6b7b\u4ea1\u8a31\u5bb9\u6570\u306e\u8a08\u7b97\u306f\u3053\u306e\u8868\u306e\u901a\u308a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002<\/p>\n<h1>\u9605\u8bfb\u504f\u597d<\/p>\n<ul class=\"post-ul\">\nRead Preference \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>Read Preference\u662f\u4e00\u4e2a\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u4ece\u5ba2\u6237\u7aef\u8bfb\u53d6MongoDB\u65f6\u9009\u62e9\u8bbf\u95ee\u54ea\u4e2a\u6210\u5458\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<thead>\n<tr>\n<th>\u30e2\u30fc\u30c9<\/th>\n<th>\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>primary<\/td>\n<td>Primary\u306e\u307f\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>primaryPreferred<\/td>\n<td>\u57fa\u672c\u7684\u306bPrimary\u306e\u307f\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u3082\u3057\u305d\u308c\u304c\u3067\u304d\u306a\u3044\u5834\u5408Secondary\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>secondary<\/td>\n<td>Secondary\u306e\u307f\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>secondaryPreferred<\/td>\n<td>\u57fa\u672c\u7684\u306bSecondary\u306e\u307f\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u3082\u3057\u305d\u308c\u304c\u3067\u304d\u306a\u3044\u5834\u5408Primary\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>nearest<\/td>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u6700\u3082\u4f4e\u3044\u30e1\u30f3\u30d0\u30fc\u304b\u3089\u8aad\u307f\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<p>\u8fd9\u4e2a\u529f\u80fd\u662f\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u7684\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u7aef\u6ca1\u6709\u7279\u522b\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u901a\u5e38\u306fsecondaryPreferred\u3092\u6307\u5b9a\u3057\u3066\u304a\u304d\u3001\u5e38\u306b\u6700\u65b0\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u3057\u305f\u3044\uff08\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9045\u5ef6\u304c\u4e00\u5207\u8a31\u3055\u308c\u306a\u3044\uff09\u5834\u5408\u306e\u307fprimaryPreferred\u3092\u4f7f\u3046\u3001\u3068\u3044\u3046\u306e\u304c\u666e\u901a\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u3088\u3046\u306b\u4f7f\u3063\u305f\u3089Secondary\u3070\u304b\u308aCPU\u304c\u4e0a\u304c\u308b\uff01\u3068\u3044\u3046\u5834\u5408\u306b\u306f\u3001nearest\u3092\u691c\u8a0e\u3059\u308b\u306e\u3082\u3088\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h2>\u5728Mongoose\u4e2d\u7684\u6307\u5b9a\u65b9\u5f0f<\/p>\n<p>Mongoose\u662fNode.js\u7684\u5bf9\u8c61\u6587\u6863\u6620\u5c04\u5de5\u5177\uff08ODM\uff09\u3002\u5b83\u4e0d\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\u5de5\u5177\uff08ORM\uff09\uff0c\u800c\u662f\u9488\u5bf9\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u3002\u5f53\u521b\u5efaSchema\u5bf9\u8c61\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u8bfb\u53d6\u504f\u597d\uff08Read Preference\uff09\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">schema<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">Schema<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"na\">inventory<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span> <span class=\"p\">},<\/span> <span class=\"p\">{<\/span> <span class=\"na\">minimize<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span> <span class=\"na\">read<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">secondaryPreferred<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">Character<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">mongoose<\/span><span class=\"p\">.<\/span><span class=\"nx\">model<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Character<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">schema<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ will store `inventory` if empty<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">sam<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">Character<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Sam<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">inventory<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}});<\/span>\r\n<span class=\"nx\">Character<\/span><span class=\"p\">.<\/span><span class=\"nx\">findOne<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Sam<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span> <span class=\"nx\">character<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">character<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ { name: 'Sam', inventory: {}}<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h1>\u5199\u5165\u5173\u6ce8<\/p>\n<ul class=\"post-ul\">\nWrite Concern Reference \u2014 MongoDB Manual 3.2\n<\/ul>\n<p>\u5728\u5ba2\u6237\u7aef\u7684\u529f\u80fd\u4e2d\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u660e\u786e\u6307\u5b9a\u201c\u5728\u5199\u5165\u591a\u5c11\u5185\u5bb9\u65f6\u89c6\u4f5c\u5199\u5165\u6210\u529f\u201d\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u8bbe\u7f6e\u5bf9\u91cd\u8981\u7684\u5199\u5165\u8fdb\u884c\u4e25\u683c\u68c0\u67e5\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u9009\u9879\u7ec4\u5408\u6765\u6307\u5b9a\uff1a{w: &#8216;majority&#8217;, j: true, wtimeout: 2000}\u3002<\/p>\n<h2>w\u9009\u9879<\/p>\n<p>\u6307\u5b9a\u6570\u5b57\u6216\u591a\u6570\u3002<\/p>\n<p>\u5f53\u6307\u5b9a\u4e86\u6570\u5b57\u65f6\uff0c\u53ea\u8981\u6210\u529f\u5730\u5411\u8be5\u6570\u91cf\u7684\u526f\u672c\u96c6\u6210\u5458\u5199\u5165\u6570\u636e\uff0c\u5c31\u88ab\u8ba4\u4e3a\u5199\u5165\u64cd\u4f5c\u6210\u529f\u3002<\/p>\n<p>\u5f53\u6307\u5b9a\u4e3amajority\u65f6\uff0c\u53ea\u8981\u5177\u6709\u6295\u7968\u6743\u7684\u526f\u672c\u96c6\u6210\u5458\u4e2d\u8d85\u8fc7\u534a\u6570\u7684\u5199\u5165\u64cd\u4f5c\u5b8c\u6210\uff0c\u5373\u53ef\u88ab\u5224\u5b9a\u4e3a\u5199\u5165\u6210\u529f\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306fw: 1\u3067\u3059\uff08Primary\u306b\u66f8\u304d\u8fbc\u307f\u5b8c\u4e86\u3057\u305f\u3089\u66f8\u304d\u8fbc\u307f\u6210\u529f\uff09\u3002<\/p>\n<h2>J\u9009\u9879<\/p>\n<p>\u53ef\u4ee5\u6307\u5b9a\u4e3a true \u6216\u8005 false\u3002<\/p>\n<p>\u5f53\u6761\u4ef6\u4e3a\u771f\u65f6\uff0c\u4e00\u65e6\u5199\u5165\u5230journal\uff08\u5b58\u50a8\uff09\u5b8c\u6210\uff0c\u5c31\u4f1a\u88ab\u89c6\u4e3a\u5199\u5165\u6210\u529f\u3002<\/p>\n<h2>wtimeout\u9009\u9879<\/p>\n<p>\u8fd9\u662f\u6307\u5b9a\u5199\u5165\u5b8c\u6210\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u5355\u4f4d\u662f\u6beb\u79d2\u3002<\/p>\n<h2>\u5728Mongoose\u4e2d\u7684\u8bbe\u7f6e\u65b9\u5f0f<\/p>\n<p>\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u5728\u751f\u6210Schema\u5bf9\u8c61\u65f6\u901a\u8fc7\u4f20\u9012\u4e00\u4e2a\u8868\u793a\u5199\u5165\u5173\u6ce8\u7684\u5bf9\u8c61\u4f5c\u4e3a\u9009\u9879\u6765\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">safe<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"na\">w<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">majority<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"na\">wtimeout<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10000<\/span> <span class=\"p\">};<\/span>\r\n<span class=\"k\">new<\/span> <span class=\"nx\">Schema<\/span><span class=\"p\">({<\/span> <span class=\"p\">..<\/span> <span class=\"p\">},<\/span> <span class=\"p\">{<\/span> <span class=\"na\">safe<\/span><span class=\"p\">:<\/span> <span class=\"nx\">safe<\/span> <span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h1>\nReplica Set\u307e\u308f\u308a\u306eMongoDB\u30b3\u30de\u30f3\u30c9<\/p>\n<p>\u56e0\u4e3a\u6ca1\u6709\u5c3d\u5934\uff0c\u6240\u4ee5\u7b80\u8981\u4ecb\u7ecd\u3002<\/p>\n<h2>rs.initiate()\u5f00\u59cb<\/p>\n<ul class=\"post-ul\">\nrs.initiate() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u901a\u8fc7\u4f7f\u7528\u6700\u521d\u7684Primary\u6210\u5458\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u5c06\u521d\u59cb\u5316Replica Set\u3002<\/p>\n<h2>rs.add()\uff1a\u6dfb\u52a0\u4e00\u6761\u8bb0\u5f55\u3002<\/p>\n<ul class=\"post-ul\">\nrs.add() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u4f7f\u7528Primary\u670d\u52a1\u5668\u6267\u884c\u64cd\u4f5c\uff0c\u5411\u590d\u5236\u96c6\u4e2d\u6dfb\u52a0\u6210\u5458\u3002<\/p>\n<p>\u4ee5\u4e0b\u7684\u4f8b\u5b50\u662f\uff0c\u4e0a\u9762\u662f\u5c06\u5176\u4f5c\u4e3a\u5e38\u89c4\u7684Secondary\u6dfb\u52a0\uff0c\u800c\u4e0b\u9762\u662f\u5c06\u5176\u4f5c\u4e3a\u9690\u85cf\u6210\u5458\u6dfb\u52a0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">add<\/span><span class=\"p\">({<\/span><span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb-1.internal:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">});<\/span>\r\n<span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">add<\/span><span class=\"p\">({<\/span><span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb-backup.internal:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"na\">priority<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"na\">hidden<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u53c2\u6570\u53ef\u4ee5\u662f\u5bf9\u8c61\u6216\u5b57\u7b26\u4e32\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">add<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb-1.internal:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u64cd\u4f5c\u65f6\uff0c\u8981\u5c0f\u5fc3\u4e0d\u8981\u8ba9\u6b63\u5728\u5b9e\u9645\u8fd0\u884c\u7684Replica Set\u4e2d\u7684\u65b0\u7684Secondary\u53c2\u4e0e\u5176\u4e2d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u3002<\/p>\n<h2>rs.status() &#8211; \u83b7\u53d6\u526f\u672c\u96c6\u7684\u72b6\u6001<\/p>\n<ul class=\"post-ul\">\nrs.status() \u2014 MongoDB Manual 3.0<br \/>\nreplSetGetStatus \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u663e\u793a\u526f\u672c\u96c6\u7684\u72b6\u6001\u3002\u5728\u8c03\u67e5\u8fc7\u7a0b\u4e2d\u975e\u5e38\u5e38\u7528\u3002<\/p>\n<p>\u73b0\u5728\u6709\u4ec0\u4e48\u6210\u5458\uff0c\u54ea\u4e9b\u6210\u5458\u662f\u4e3b\u8981\u6210\u5458\uff0c\u80fd\u5426\u8fdb\u884c\u6709\u6548\u6c9f\u901a\u7b49\u7b49\u3002<\/p>\n<h2>rs.stepDown() \u53ef\u4ee5\u88ab\u6539\u5199\u4e3a rs.\u4e3b\u52a8\u964d\u7ea7()<\/p>\n<ul class=\"post-ul\">\nrs.stepDown() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u5728\u4e3b\u670d\u52a1\u5668\u4e0a\u6267\u884c\uff0c\u5e76\u5c06\u81ea\u8eab\u964d\u7ea7\u4e3a\u6b21\u8981\u670d\u52a1\u5668\u3002\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u5c06\u89e6\u53d1\uff0c\u5e76\u4e14\u5176\u4ed6\u6b21\u8981\u670d\u52a1\u5668\u4e2d\u7684\u4e00\u53f0\u5c06\u6210\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/p>\n<h2>rs.conf()\u53ef\u4ee5\u91cd\u8ff0\u4e3ars.conf\u5c31\u53ef\u4ee5\u4e86<\/p>\n<ul class=\"post-ul\">\nrs.conf() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u73fe\u5728\u306eReplica Set\u306e\u8a2d\u5b9a\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5e30\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb0-sh00<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">version<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">members<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb0-sh00-000:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">arbiterOnly<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">buildIndexes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">hidden<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">priority<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">tags<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">slaveDelay<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">votes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb0-sh00-backup:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">arbiterOnly<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">buildIndexes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">hidden<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">priority<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">tags<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">slaveDelay<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">votes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">_id<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">host<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">oreno-mongodb0-sh00-001:27017<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">arbiterOnly<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">buildIndexes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">hidden<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">priority<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">tags<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">slaveDelay<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">votes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">],<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">settings<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">chainingAllowed<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">heartbeatTimeoutSecs<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">getLastErrorModes<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"dl\">\"<\/span><span class=\"s2\">getLastErrorDefaults<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">w<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"dl\">\"<\/span><span class=\"s2\">wtimeout<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5358\u4f53\u3067\u3082\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u5f8c\u8ff0\u306ers.reconfig()\u3068\u4f75\u305b\u3066\u4f7f\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<h2>rs.reconfig() \u91cd\u65b0\u914d\u7f6e\u96c6\u7fa4<\/p>\n<ul class=\"post-ul\">\nrs.reconfig() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u5728Primary\u4e0a\u6267\u884c\uff0c\u5e76\u6539\u5199Replica Set\u7684\u8bbe\u7f6e\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8be5\u547d\u4ee4\u7684\u53c2\u6570\u901a\u5e38\u4f7f\u7528\u4ecers.conf()\u65b9\u6cd5\u4e2d\u83b7\u53d6\u7684\u5bf9\u8c61\u4f5c\u4e3a\u57fa\u7840\uff0c\u5e76\u53ea\u5bf9\u9700\u8981\u66f4\u6539\u7684\u90e8\u5206\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<p>\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u8981\u5c06oreno-mongodb0-sh00-001\u8bbe\u7f6e\u4e3a\u4e0a\u8ff0rs.conf()\u7ed3\u679c\u4e2d\u7684\u9690\u85cf\u6210\u5458\uff0c\u5219\u64cd\u4f5c\u5982\u4e0b\u6240\u793a\u3002\u7531\u4e8eMongoDB\u7684Shell\u662f\u57fa\u4e8eJavaScript\u7684\uff0c\u56e0\u6b64\u8fd9\u79cd\u64cd\u4f5c\u6709\u4e9b\u50cf\u7f16\u7a0b\u4e00\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">conf<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">conf<\/span><span class=\"p\">.<\/span><span class=\"nx\">members<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">].<\/span><span class=\"nx\">priority<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nx\">conf<\/span><span class=\"p\">.<\/span><span class=\"nx\">members<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">].<\/span><span class=\"nx\">hidden<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nx\">rs<\/span><span class=\"p\">.<\/span><span class=\"nx\">reconfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">conf<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>&#8220;_id&#8221; : 3\uff0c\u5374\u662fmembers[2]\uff1f\uff1f<\/p>\n<p>\u5bdf\u89c9\u5230\u6b64\u4e8b\u7684\u4eba\u771f\u662f\u806a\u660e\u3002\u7531\u4e8e conf.members \u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u7ec4\uff0c\u6240\u4ee5\u8fd9\u6837\u5c31\u8db3\u591f\u4e86\u3002\u52a1\u5fc5\u5c0f\u5fc3\u4e0d\u8981\u9519\u8bef\u5730\u64cd\u4f5c\u5176\u4ed6\u6210\u5458\u7684\u8bbe\u7f6e\uff01<\/p>\n<p>\u53e6\u5916\uff0c\u5982\u679c\u5c06Secondary\u7684priority\u8bbe\u7f6e\u4e3a\u6bd4\u5f53\u524dPrimary\u7684priority\u66f4\u9ad8\u7684\u503c\uff0c\u90a3\u4e48\u5728\u6267\u884crs.reconfig()\u65f6\uff0c\u4f1a\u7acb\u5373\u4ea7\u751f\u4e0ers.stepDown()\u76f8\u540c\u7684\u884c\u4e3a\u3002<\/p>\n<h2>\u5220\u9664rs<\/p>\n<ul class=\"post-ul\">\nrs.remove() \u2014 MongoDB Manual 3.0\n<\/ul>\n<p>\u5728\u4e3b\u8282\u70b9\u4e0a\u6267\u884c\u5e76\u4ece\u526f\u672c\u96c6\u4e2d\u6392\u9664\u6210\u5458\u3002\u793e\u4f1a\u662f\u6b8b\u9177\u7684\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ecers.status()\u4e2d\u590d\u5236\u7c98\u8d34members[n].name\u4ee5\u6307\u5b9a\u53c2\u6570\u4e2d\u7684\u4e3b\u673a\u540d\u3002<\/p>\n<h2>db.printSlaveReplicationInfo()\u7684\u672c\u5730\u5316\u4e2d\u6587\u91ca\u4e49\u662f\uff1a&#8221;\u6253\u5370\u4ece\u590d\u5236\u4fe1\u606f&#8221;<\/p>\n<ul class=\"post-ul\">\ndb.printSlaveReplicationInfo() \u2014 MongoDB Manual 3.2\n<\/ul>\n<p>\u4f7f\u7528rs.status()\u53ef\u4ee5\u6bd4\u8f83optime\u6765\u786e\u8ba4\u590d\u5236\u5ef6\u8fdf\uff0c\u4f46\u662f\u7528\u8089\u773c\u89e3\u6790Unix Timestamp\u5bf9\u4eba\u7c7b\u6765\u8bf4\u592a\u6162\u4e86\u3002\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u4e00\u76ee\u4e86\u7136\u3002<\/p>\n<h1>\u4e2d\u56fd\u7684\u6bcd\u8bed\u5b66\u8005\u53ef\u4ee5\u7528\u4ee5\u4e0b\u65b9\u5f0f\u6539\u8ff0\uff1a<\/p>\n<p>\u51b7\u77e5\u8bc6<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u662f\u4e3b\/\u4ece\u800c\u4e0d\u662f\u4e3b\/\u4ece\u5462\uff1f<\/p>\n<p>\u5728MongoDB 1.6\u4e4b\u524d\uff08\u5f88\u4e45\u4ee5\u524d\u4e86\uff09\uff0c\u5728\u5f15\u5165\u590d\u5236\u96c6\u529f\u80fd\u4e4b\u524d\uff0cMongoDB\u4e2d\u5b58\u5728\u7740\u4e0d\u5305\u542b\u81ea\u52a8\u6545\u969c\u5207\u6362\u673a\u5236\u7684\u4e3b\/\u4ece\u590d\u5236\u529f\u80fd\u3002<\/p>\n<p>\u968f\u540e\uff0c\u6dfb\u52a0\u4e86\u7531\u4e24\u4e2a\u4e3b\u8981\u7ec4\u6210\u7684&#8221;\u526f\u672c\u5bf9&#8221;\u529f\u80fd\uff0c\u8be5\u529f\u80fd\u8fdb\u4e00\u6b65\u53d1\u5c55\u6210\u4e3a\u53ef\u4ee5\u5728\u4efb\u610f\u8282\u70b9\u4e0a\u8fdb\u884c\u590d\u5236\u7684&#8221;\u526f\u672c\u96c6&#8221;\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5f3a\u8c03\u968f\u65f6\u53ef\u4ee5\u5207\u6362\u7684\u610f\u4e49\uff0c\u66f4\u540d\u4e3a&#8221;Primary\uff08\u4e3b\u8282\u70b9\uff09\/Secondary\uff08\u4ece\u8282\u70b9\uff09&#8221;\u800c\u4e0d\u662f&#8221;Master\/Slave\uff08\u4e3b\/\u4ece\uff09&#8221;\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662fMongoDB Advent Calendar 2015\u7684\u7b2c17\u5929\u3002 \u7b80\u8981\u603b\u7ed3 \u8fd9\u662f\u4e00\u7bc7\u5145\u6ee1\u4e86\u4f55\u5fc5\u73b0 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29537","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6211\u4e5f\u80fd\u7406\u89e3\u7684\u7cfb\u5217\uff1aMongoDB\u7684\u590d\u5236 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u6211\u4e5f\u80fd\u7406\u89e3\u7684\u7cfb\u5217\uff1aMongoDB\u7684\u590d\u5236\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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