{"id":3420,"date":"2009-12-21T18:00:50","date_gmt":"2009-12-21T10:00:50","guid":{"rendered":"http:\/\/ihower.tw\/blog\/?p=3420"},"modified":"2011-04-09T01:58:27","modified_gmt":"2011-04-08T17:58:27","slug":"moneta-key-value-stores-interface","status":"publish","type":"post","link":"https:\/\/ihower.tw\/blog\/3420-moneta-key-value-stores-interface","title":{"rendered":"Moneta: \u63d0\u4f9b  key\/value stores \u7684\u7d71\u4e00\u4ecb\u9762"},"content":{"rendered":"<p>\u4eca\u5929\u6211\u60f3\u7279\u5225\u4ecb\u7d39\u9019\u4e00\u5957 Ruby library: <a href=\"http:\/\/github.com\/wycats\/moneta\/\">Moneta<\/a><\/p>\n<p>\u5b83\u63d0\u4f9b\u4e86 key-value stores \u6a19\u6e96\u5171\u901a\u7684\u4f7f\u7528\u4ecb\u9762\uff0c\u8b93\u4f60\u53ef\u4ee5\u7528\u76f8\u540c\u7684\u7a0b\u5f0f\uff0c\u4f46\u662f\u53ef\u4ee5\u8f15\u6613\u8f49\u63db\u5e95\u5c64\u5be6\u969b\u4f7f\u7528\u7684\u5132\u5b58\u5eab\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>Basic File Store<\/li>\n<li>BerkeleyDB<\/li>\n<li>CouchDB<\/li>\n<li>DataMapper<\/li>\n<li>File store for xattr<\/li>\n<li>In-memory store<\/li>\n<li>Memcache store<\/li>\n<li>Redis<\/li>\n<li>S3<\/li>\n<li>SDBM<\/li>\n<li>Tokyo<\/li>\n<li>Xattrs in a file system<\/li>\n<\/ul>\n<p>\u5b83\u7684\u7528\u6cd5\u5176\u5be6\u8ddf Hash API \u5dee\u4e0d\u591a\uff0c\u975e\u5e38\u5bb9\u6613\u4f7f\u7528\u3002\u6211\u8a8d\u70ba\u6700\u5be6\u969b\u7684\u7528\u9014\u662f\u7528\u5728\u64b0\u5beb\u5feb\u53d6\u7a0b\u5f0f\u4e86\u3002<\/p>\n<p>\u56e0\u70ba\u4e0d\u540c\u74b0\u5883\u53ef\u4ee5\u8f15\u6613\u5207\u63db store \u7684\u9019\u500b\u597d\u8655\uff0c\u6211\u5728 local \u7684 development \u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 In-memory store \u6216 File Store (\u524d\u8005\u91cd\u958b server \u5feb\u53d6\u8cc7\u6599\u5c31\u6703\u6d88\u5931\uff0c\u5f8c\u8005\u5247\u6703\u7559\u8457)\uff0c\u4e0d\u9700\u8981\u591a\u88dd\u6771\u897f\u5c31\u53ef\u4ee5\u5beb\u5feb\u53d6\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5718\u968a\u4e2d\u5176\u4ed6\u4eba\u4e5f\u4e0d\u9700\u8981\u8cbb\u5fc3\u8a2d\u5b9a (\u53eb\u6bcf\u500b\u4eba\u90fd\u53bb\u88dd Memcached \u4e5f\u592a\u8f9b\u82e6\u4e86)\u3002\u800c\u5728 production \u6b63\u5f0f\u74b0\u5883\u4e2d\uff0c\u5247\u53ef\u4ee5\u8f15\u6613\u8a2d\u5b9a\u6210\u4f7f\u7528 <a href=\"http:\/\/memcached.org\/\">Memcached<\/a>\u3002<\/p>\n<p>\u6211\u81ea\u5df1\u4e5f\u7528\u4e86 Moneta \u4ecb\u9762\u5beb\u4e86\u4e00\u500b\u5c0f\u7a0b\u5f0f <a href=\"http:\/\/github.com\/ihower\/handcache\">Headcache<\/a>\uff0c\u63d0\u4f9b\u4e86 get_and_set \u529f\u80fd\uff1a<\/p>\n<pre><code>\r\ndata = Handcache.get_and_set(\"data-123\", :expires_in => 60 ) do\r\n                \"cached-foobar\"\r\n            end\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5feb\u53d6\u5b58\u5728\uff0c\u5c31\u56de\u50b3\u5feb\u53d6\u8cc7\u6599\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5c31\u57f7\u884c code block\uff0c\u4e26\u5c07\u6700\u5f8c\u7684\u904b\u7b97\u503c\u56de\u50b3\u4e26\u5feb\u53d6\u8d77\u4f86\u3002<\/p>\n<p>\u5982\u679c\u662f\u5728 View \u4e2d\u642d\u914d partial \u4f7f\u7528\u4e5f\u975e\u5e38\u7c21\u55ae\uff1a<\/p>\n<pre><code>\r\n&lt;%= Handcache.get_and_set( dom_id(@post), :expires_in => 60 ) do\r\n               render :partial => \"post\"\r\n           end %>\r\n<\/code><\/pre>\n<p>\u8a2d\u5b9a\u7684\u65b9\u6cd5\u5247\u53ef\u4ee5\u662f\uff1a<\/p>\n<pre><code>\r\n# config\/environments\/development.rb\r\nbegin\r\n  # for developer has tokyo cabinet\r\n  Handcache = Moneta::Tyrant.new( :host => 'localhost', :port => 1978 )\r\nrescue\r\n  # for developer has not tokyo cabinet\r\n  Handcache = Moneta::BasicFile.new( :path => \"tmp\" )\r\nend\r\n<\/code><\/pre>\n<p>\u95dc\u65bc\u5feb\u53d6\u9019\u4ef6\u4e8b\u60c5\u7684\u5b78\u554f\uff0c\u53ef\u4ee5\u53c3\u8003\u6211\u4e4b\u524d\u7684 <a href=\"http:\/\/ihower.tw\/blog\/archives\/1768\">Memcached<\/a> \u6587\u7ae0\uff1a\u4e00\u662f\u5982\u4f55\u6e05\u9664\u904e\u671f\u7684\u5feb\u53d6\u8cc7\u6599(expire)\uff0c\u4e8c\u662f\u6ce8\u610f\u5feb\u53d6 Key \u7684\u547d\u540d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u6211\u60f3\u7279\u5225\u4ecb\u7d39\u9019\u4e00\u5957 Ruby library: Moneta \u5b83\u63d0\u4f9b\u4e86 key-value stores  &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/ihower.tw\/blog\/3420-moneta-key-value-stores-interface\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008Moneta: \u63d0\u4f9b  key\/value stores \u7684\u7d71\u4e00\u4ecb\u9762\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_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_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[53,31],"tags":[],"class_list":["post-3420","post","type-post","status-publish","format-standard","hentry","category-rails","category-ruby","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1q6tG-Ta","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/comments?post=3420"}],"version-history":[{"count":29,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3420\/revisions"}],"predecessor-version":[{"id":5539,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/3420\/revisions\/5539"}],"wp:attachment":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/media?parent=3420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/categories?post=3420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/tags?post=3420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}