{"id":3345,"date":"2018-08-08T17:49:59","date_gmt":"2018-08-08T09:49:59","guid":{"rendered":"http:\/\/www.yewen.us\/blog\/?p=3345"},"modified":"2018-08-09T17:05:11","modified_gmt":"2018-08-09T09:05:11","slug":"tips-for-upgrade-mongodb","status":"publish","type":"post","link":"https:\/\/www.yewen.us\/blog\/2018\/08\/tips-for-upgrade-mongodb\/","title":{"rendered":"MongoDB \u5347\u7ea7\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"

\u6700\u8fd1\u5728 WSL \u548c macOS \u4e0b\u90fd\u9047\u5230\u4e86 MongoDB \u5347\u7ea7\u65f6\u62a5\u9519\u7684\u95ee\u9898\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8e29\u7684\u5751<\/p>\n

1. \u786e\u8ba4\u5df2\u7ecf\u517c\u5bb9\u65b0\u7684\u7248\u672c<\/h3>\n

\u53c2\u8003 https:\/\/docs.mongodb.com\/manual\/release-notes\/4.0\/#feature-compatibility<\/a> \u770b\u4e00\u4e0b\u5f53\u524d\u8bbe\u7f6e\u7684\u662f\u591a\u5c11<\/p>\n

db.adminCommand( { getParameter: 1, featureCompatibilityVersion: 1 } )\n<\/code><\/pre>\n
\u5982\u679c\u8fd8\u4e0d\u591f\u65b0\u7248\u672c\u7684\uff0c\u53c2\u8003 https:\/\/docs.mongodb.com\/manual\/reference\/command\/setFeatureCompatibilityVersion\/<\/a> \u8bbe\u7f6e\u4e00\u4e0b<\/p>\n
db.adminCommand( { setFeatureCompatibilityVersion: \"version\" } )\n<\/code><\/pre>\n
\u6ce8\u610f\u7248\u672c\u8df3\u592a\u591a\u4e86\u53ef\u80fd\u4f1a\u5931\u8d25\uff0c\u5219\u9700\u8981\u542f\u4e00\u4e2a\u8001\u7248\u672c\u628a\u7248\u672c\u4e00\u6b65\u4e00\u6b65\u8bbe\u4e0a\u53bb\uff08\u6211\u7684 WSL \u5c31\u662f\u4ece 2.6 \u8df3 3.6 \u76f4\u63a5\u5931\u8d25\u4e86\uff0c\u60f3 apt \u9000\u56de\u53bb\u90fd\u4e0d\u884c\uff0c\u53ea\u80fd\u4eba\u8089\u4e0b\u4e86\u4e2a\u5355\u72ec\u8fd0\u884c\u7684 3.2 \u8fd8\u662f 3.4 \u505a\u8df3\u677f\uff0c\u8bbe\u5b8c\u4e86\u624d\u653e\u5f03\uff09<\/p>\n
2. \u786e\u8ba4\u5df2\u7ecf\u4f7f\u7528\u65b0\u7684 YAML \u683c\u5f0f\u914d\u7f6e\u6587\u4ef6<\/h3>\n
\u53c2\u8003 https:\/\/docs.mongodb.com\/manual\/reference\/configuration-options\/<\/a>\uff0c\u914d\u7f6e\u6587\u4ef6 Linux \u4e00\u822c\u662f\u5728 \/etc\/mongod.conf<\/code>\uff0cmacOS \u5982\u679c\u662f brew \u88c5\u7684\uff0c\u4e00\u822c\u662f\u5728 \/usr\/local\/etc\/mongod.conf<\/code><\/p>\n
\u5982\u679c\u4e0d\u662f YAML \u7684\u53ef\u4ee5\u53c2\u8003 https:\/\/github.com\/mongodb\/mongo\/blob\/master\/debian\/mongod.conf<\/a> \u65b0\u5199\u4e00\u4e2a\uff0c\u5bf9\u7740\u539f\u6765\u7684\u6587\u4ef6\u628a\u76f8\u5173\u53c2\u6570\u6539\u4e00\u4e0b\u5c31\u597d\uff08\u4e3b\u8981\u662f dbPath<\/code> \u548c systemLog.path<\/code>\uff0c\u8fd8\u6709\u5c31\u662f processManagement<\/code> \u4e0b\u8981\u4e0d\u8981\u52a0 fork: true<\/code>\uff09<\/p>\n
3. \u6539\u7528 wiredTiger \u5f15\u64ce<\/h3>\n
\u4ece 4.x \u5f00\u59cb MongoDB \u5c31\u8981\u653e\u5f03 mmapv1 \u5f15\u64ce\uff0c\u5c3d\u5feb\u6539\u6210 wiredTiger<\/p>\n
\u53c2\u8003 https:\/\/docs.mongodb.com\/manual\/tutorial\/change-standalone-wiredtiger\/<\/a> \u6765\u505a\u6539\u52a8\uff0c\u5927\u81f4\u6b65\u9aa4\u662f<\/p>\n
    \n
  1. \u5148\u5728\u5f53\u524d\u542f\u52a8\u7684 mongo \u4e0b\u505a mongodump<\/code>\uff0c\u5907\u4efd\u5df2\u6709\u6570\u636e<\/li>\n
  2. \u505c\u6389\u5f53\u524d mongo\uff08\u6ce8\u610f macOS \u4e0b brew services stop<\/code> \u53ef\u80fd\u6ca1\u6709\u771f\u7684\u505c\uff0c\u518d ps -el | grep mongo<\/code> \u770b\u770b\u8fd8\u6709\u6ca1\u6709\u8fdb\u7a0b\uff09<\/li>\n
  3. \u4fee\u6539\u914d\u7f6e\u6587\u4ef6\uff0c\u628a storage.engine<\/code> \u7684\u6ce8\u91ca\u53bb\u6389\u5e76\u6539\u4e3a engine: wiredTiger<\/code><\/li>\n
  4. \u79fb\u9664\u4ee5\u524d\u7684 dbPath<\/code> \u4e0b\u7684\u6240\u6709\u6587\u4ef6\uff08\u5b89\u5168\u8d77\u89c1\u53ef\u4ee5 mv<\/code> \u8d70\u800c\u4e0d\u662f rm -rf<\/code>\uff09<\/li>\n
  5. \u6309\u65b0\u914d\u7f6e\u6587\u4ef6\u542f\u52a8 mongo<\/li>\n
  6. \u7528 mongorestore<\/code> \u6765\u6062\u590d\u4e4b\u524d\u7684\u5907\u4efd<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
    \u6700\u8fd1\u5728 WSL \u548c macOS \u4e0b\u90fd\u9047\u5230\u4e86 MongoDB \u5347\u7ea7\u65f6\u62a5\u9519\u7684\u95ee\u9898\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8e29\u7684\u5751 1. \u786e\u8ba4\u5df2\u7ecf\u517c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[7],"tags":[673,672],"class_list":["post-3345","post","type-post","status-publish","format-standard","hentry","category-tech-notes","tag-mongo","tag-mongodb"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4aR5e-RX","_links":{"self":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/3345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/comments?post=3345"}],"version-history":[{"count":5,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/3345\/revisions"}],"predecessor-version":[{"id":3366,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/3345\/revisions\/3366"}],"wp:attachment":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/media?parent=3345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/categories?post=3345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/tags?post=3345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}