{"id":130,"date":"2026-07-23T23:41:08","date_gmt":"2026-07-23T15:41:08","guid":{"rendered":"https:\/\/fsdata.site\/?p=130"},"modified":"2026-07-23T23:41:08","modified_gmt":"2026-07-23T15:41:08","slug":"redis-rdb-vs-aof-persistence","status":"publish","type":"post","link":"https:\/\/fsdata.site\/?p=130","title":{"rendered":"Redis \u6301\u4e45\u5316\u9009\u578b\uff1aRDB vs AOF \u6df1\u5ea6\u5bf9\u6bd4"},"content":{"rendered":"<h2>Redis \u6301\u4e45\u5316\u8981\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898<\/h2>\n<p>Redis \u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u91cd\u542f\u540e\u6570\u636e\u4f1a\u4e22\u3002\u6301\u4e45\u5316\u5c31\u662f\u628a\u5185\u5b58\u6570\u636e\u843d\u5230\u78c1\u76d8\uff0c\u91cd\u542f\u65f6\u518d\u52a0\u8f7d\u56de\u6765\u3002Redis \u63d0\u4f9b\u4e24\u79cd\u673a\u5236\uff1a<strong>RDB\uff08\u5feb\u7167\uff09<\/strong>\u548c<strong>AOF\uff08\u8ffd\u52a0\u65e5\u5fd7\uff09<\/strong>\uff0c\u4ee5\u53ca Redis 7 \u4e4b\u540e\u7684<strong>\u6df7\u5408\u6a21\u5f0f<\/strong>\u3002\u9009\u54ea\u4e2a\uff0c\u53d6\u51b3\u4e8e\u4f60\u80fd\u63a5\u53d7\u4e22\u591a\u5c11\u6570\u636e\u3002<\/p>\n<h2>\u4e00\u3001RDB\uff1a\u67d0\u4e00\u65f6\u523b\u7684\u5168\u91cf\u5feb\u7167<\/h2>\n<p>RDB \u5728\u6307\u5b9a\u89e6\u53d1\u6761\u4ef6\u4e0b\uff0c\u628a\u5f53\u524d\u5185\u5b58\u5168\u91cf\u6570\u636e\u538b\u7f29\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6 <code>dump.rdb<\/code>\u3002<\/p>\n<pre><code>save 900 1        # 900\u79d2\u5185\u81f3\u5c111\u6b21\u4fee\u6539\nsave 300 10       # 300\u79d2\u5185\u81f3\u5c1110\u6b21\u4fee\u6539\nsave 60 10000\n<\/code><\/pre>\n<p><strong>\u4f18\u70b9\uff1a<\/strong>\u6587\u4ef6\u7d27\u51d1\u3001\u6062\u590d\u6781\u5feb\u3001\u9002\u5408\u5907\u4efd\u548c\u707e\u5907\u3002<br \/>\n<strong>\u7f3a\u70b9\uff1a<\/strong>\u4e24\u6b21\u5feb\u7167\u4e4b\u95f4\u5b95\u673a\uff0c\u4e2d\u95f4\u7684\u6570\u636e\u5168\u4e22\uff08\u53ef\u80fd\u4e22\u51e0\u5206\u949f\uff09\u3002<\/p>\n<h2>\u4e8c\u3001AOF\uff1a\u6bcf\u4e00\u6761\u5199\u547d\u4ee4\u90fd\u8bb0\u65e5\u5fd7<\/h2>\n<p>AOF \u628a\u6bcf\u4e2a\u5199\u64cd\u4f5c\u4ee5\u534f\u8bae\u683c\u5f0f\u8ffd\u52a0\u5230\u6587\u4ef6\uff0c\u91cd\u542f\u65f6&#8221;\u91cd\u653e&#8221;\u547d\u4ee4\u6062\u590d\u6570\u636e\u3002<\/p>\n<pre><code>appendonly yes\nappendfsync everysec   # \u6bcf\u79d2\u5237\u76d8\uff0c\u517c\u987e\u6027\u80fd\u4e0e\u5b89\u5168\n<\/code><\/pre>\n<p><code>appendfsync<\/code> \u4e09\u79cd\u7b56\u7565\uff1a<\/p>\n<table border=\"1\" cellpadding=\"6\">\n<tr>\n<th>\u7b56\u7565<\/th>\n<th>\u6570\u636e\u5b89\u5168<\/th>\n<th>\u6027\u80fd<\/th>\n<\/tr>\n<tr>\n<td>always<\/td>\n<td>\u4e0d\u4e22<\/td>\n<td>\u6700\u5dee<\/td>\n<\/tr>\n<tr>\n<td>everysec<\/td>\n<td>\u6700\u591a\u4e221\u79d2<\/td>\n<td>\u6298\u4e2d\uff08\u63a8\u8350\uff09<\/td>\n<\/tr>\n<tr>\n<td>no<\/td>\n<td>\u770b\u7cfb\u7edf<\/td>\n<td>\u6700\u597d<\/td>\n<\/tr>\n<\/table>\n<p><strong>\u4f18\u70b9\uff1a<\/strong>\u6570\u636e\u4e22\u5931\u7a97\u53e3\u5c0f\uff08\u9ed8\u8ba4\u6700\u591a 1 \u79d2\uff09\u3002<br \/>\n<strong>\u7f3a\u70b9\uff1a<\/strong>\u6587\u4ef6\u5927\u3001\u6062\u590d\u6162\uff08\u8981\u91cd\u653e\u5168\u90e8\u547d\u4ee4\uff09\u3002AOF \u4f1a\u5b9a\u671f <code>bgrewrite<\/code> \u538b\u7f29\u3002<\/p>\n<h2>\u4e09\u3001\u6df7\u5408\u6301\u4e45\u5316\uff08Redis 7 \u63a8\u8350\uff09<\/h2>\n<p>Redis 7 \u8d77\u9ed8\u8ba4\u5f00\u542f\u6df7\u5408\uff1aAOF \u6587\u4ef6\u524d\u534a\u6bb5\u662f RDB \u5168\u91cf\uff0c\u540e\u534a\u6bb5\u662f\u589e\u91cf\u547d\u4ee4\u3002\u542f\u52a8\u65f6\u5148\u52a0\u8f7d RDB \u518d\u91cd\u653e\u589e\u91cf\uff0c<strong>\u53c8\u5feb\u53c8\u5b89\u5168<\/strong>\u3002<\/p>\n<pre><code>aof-use-rdb-preamble yes\n<\/code><\/pre>\n<h2>\u56db\u3001\u600e\u4e48\u9009<\/h2>\n<ul>\n<li><strong>\u7eaf\u7f13\u5b58\u3001\u4e22\u4e86\u65e0\u6240\u8c13<\/strong>\uff1a\u53ef\u4ee5\u5173\u6301\u4e45\u5316\uff0c\u6027\u80fd\u6700\u597d\u3002<\/li>\n<li><strong>\u80fd\u63a5\u53d7\u4e22\u51e0\u5206\u949f<\/strong>\uff1a\u53ea\u7528 RDB\uff0c\u7b80\u5355\u591f\u7528\u3002<\/li>\n<li><strong>\u4e0d\u80fd\u4e22\u6570\u636e\uff08\u5982\u4f1a\u8bdd\u3001\u6392\u884c\u699c\uff09<\/strong>\uff1aAOF\uff08everysec\uff09+ \u6df7\u5408\u6a21\u5f0f\u3002<\/li>\n<li><strong>\u65e2\u8981\u6062\u590d\u5feb\u53c8\u8981\u5c11\u4e22<\/strong>\uff1aRDB + AOF \u6df7\u5408\uff0c\u8fd9\u662f\u5f53\u524d\u6700\u4e3b\u6d41\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u8fd0\u7ef4\u6ce8\u610f<\/h2>\n<ul>\n<li>RDB \u7684 <code>bgsave<\/code> \u4f1a fork \u5b50\u8fdb\u7a0b\uff0c\u5185\u5b58\u5927\u65f6\u53ef\u80fd\u77ed\u6682\u5361\u987f\uff08\u5199\u65f6\u590d\u5236\uff09\u3002<\/li>\n<li>AOF \u6587\u4ef6\u8fc7\u5927\u8981\u5173\u6ce8 <code>auto-aof-rewrite<\/code> \u9608\u503c\u3002<\/li>\n<li>\u4e3b\u4ece\u67b6\u6784\u4e0b\uff0c\u4ece\u5e93\u91cd\u542f\u4e5f\u4f1a\u89e6\u53d1\u52a0\u8f7d\uff0c\u6ce8\u610f\u52a0\u8f7d\u671f\u95f4\u7684\u8fde\u63a5\u8d85\u65f6\u3002<\/li>\n<\/ul>\n<h2>\u5c0f\u7ed3<\/h2>\n<p>\u6ca1\u6709&#8221;\u6700\u597d&#8221;\u7684\u6301\u4e45\u5316\uff0c\u53ea\u6709&#8221;\u6700\u9002\u5408\u4e1a\u52a1&#8221;\u7684\u3002\u7edd\u5927\u591a\u6570\u751f\u4ea7\u73af\u5883\u76f4\u63a5\u5f00<strong>\u6df7\u5408\u6a21\u5f0f<\/strong>\u5373\u53ef\uff1a\u6062\u590d\u5feb\u3001\u4e22\u5931\u5c11\u3001\u8fd0\u7ef4\u7701\u5fc3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RDB \u5feb\u7167\u4e0e AOF \u65e5\u5fd7\u600e\u4e48\u9009\uff1fRedis 7 \u6df7\u5408\u6a21\u5f0f\u517c\u987e\u6062\u590d\u901f\u5ea6\u4e0e\u6570\u636e\u5b89\u5168\u7684\u63a8\u8350\u914d\u7f6e\u3002<\/p>\n","protected":false},"author":2,"featured_media":121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130"}],"version-history":[{"count":0,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/media\/121"}],"wp:attachment":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}