{"id":180200,"date":"2024-11-09T08:14:18","date_gmt":"2024-11-09T00:14:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180200\/"},"modified":"2024-11-09T08:14:19","modified_gmt":"2024-11-09T00:14:19","slug":"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%ef%bc%9a%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%e8%a7%a3%e6%9e%90-%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180200\/","title":{"rendered":"\u522a\u9664\u6578\u64da\u5eab\u6062\u5fa9\uff1a\u6709\u6548\u65b9\u6cd5\u89e3\u6790 (\u5982\u4f55\u522a\u9664\u6578\u64da\u5eab\u6587\u4ef6\u6062\u5fa9)"},"content":{"rendered":"<h1 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%ef%bc%9a%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%e8%a7%a3%e6%9e%90-%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87-eeCvTYONHa\">\u522a\u9664\u6578\u64da\u5eab\u6062\u5fa9\uff1a\u6709\u6548\u65b9\u6cd5\u89e3\u6790 (\u5982\u4f55\u522a\u9664\u6578\u64da\u5eab\u6587\u4ef6\u6062\u5fa9)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u7ba1\u7406\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u67d0\u4e9b\u6578\u64da\u6216\u6587\u4ef6\u53ef\u80fd\u662f\u5fc5\u8981\u7684\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u522a\u9664\u6578\u64da\u5eab\u6587\u4ef6\u6062\u5fa9\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u65b9\u6cd5\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-eeCvTYONHa\">\u6578\u64da\u5eab\u6062\u5fa9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u6062\u5fa9\u662f\u6307\u5728\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c07\u6578\u64da\u6062\u5fa9\u5230\u67d0\u4e00\u7279\u5b9a\u72c0\u614b\u7684\u904e\u7a0b\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5099\u4efd\u548c\u6062\u5fa9\u7b56\u7565\u7684\u5be6\u65bd\u3002\u7576\u6578\u64da\u88ab\u522a\u9664\u5f8c\uff0c\u6578\u64da\u5eab\u7cfb\u7d71\u53ef\u80fd\u6703\u4fdd\u7559\u67d0\u4e9b\u6062\u5fa9\u6587\u4ef6\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u9032\u884c\u6062\u5fa9\u3002\u9019\u4e9b\u6062\u5fa9\u6587\u4ef6\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u56e0\u6b64\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u522a\u9664\u9019\u4e9b\u6587\u4ef6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%e6%96%87%e4%bb%b6-eeCvTYONHa\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\u6062\u5fa9\u6587\u4ef6<\/h2>\n<ul>\n<li><strong>\u91cb\u653e\u5b58\u5132\u7a7a\u9593\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u5eab\u7684\u589e\u9577\uff0c\u6062\u5fa9\u6587\u4ef6\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u904e\u591a\u7684\u6062\u5fa9\u6587\u4ef6\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6062\u5fa9\u6587\u4ef6\u53ef\u4ee5\u964d\u4f4e\u6578\u64da\u6d29\u9732\u7684\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%89%e6%95%88%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%e6%96%87%e4%bb%b6%e7%9a%84%e6%96%b9%e6%b3%95-eeCvTYONHa\">\u6709\u6548\u522a\u9664\u6578\u64da\u5eab\u6062\u5fa9\u6587\u4ef6\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-eeCvTYONHa\">1. \u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h3>\n<p>\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u63d0\u4f9b\u4e86\u5167\u5efa\u7684\u5de5\u5177\u4f86\u7ba1\u7406\u548c\u522a\u9664\u6062\u5fa9\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\u6587\u4ef6\uff1a<\/p>\n<pre><code>PURGE BINARY LOGS TO 'mysql-bin.000123';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664\u6240\u6709\u5728\u6307\u5b9a\u65e5\u8a8c\u6587\u4ef6\u4e4b\u524d\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e5%ae%9a%e8%87%aa%e5%8b%95%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-eeCvTYONHa\">2. \u8a2d\u5b9a\u81ea\u52d5\u6e05\u7406\u7b56\u7565<\/h3>\n<p>\u8a31\u591a\u6578\u64da\u5eab\u7cfb\u7d71\u5141\u8a31\u7528\u6236\u8a2d\u5b9a\u81ea\u52d5\u6e05\u7406\u7b56\u7565\uff0c\u4ee5\u5b9a\u671f\u522a\u9664\u904e\u671f\u7684\u6062\u5fa9\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u5728PostgreSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a2d\u7f6e\u4f86\u81ea\u52d5\u6e05\u7406\u904e\u671f\u7684WAL\uff08Write Ahead Log\uff09\u6587\u4ef6\uff1a<\/p>\n<pre><code>wal_keep_segments = 0<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u9700\u8981\u7684WAL\u6587\u4ef6\u6703\u88ab\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h3 id=\"3-%e6%89%8b%e5%8b%95%e5%88%aa%e9%99%a4%e6%81%a2%e5%be%a9%e6%96%87%e4%bb%b6-eeCvTYONHa\">3. \u624b\u52d5\u522a\u9664\u6062\u5fa9\u6587\u4ef6<\/h3>\n<p>\u5982\u679c\u9700\u8981\u624b\u52d5\u522a\u9664\u6062\u5fa9\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u7684\u6587\u4ef6\u7cfb\u7d71\u3002\u4f8b\u5982\uff0c\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u522a\u9664\u820a\u7684\u6062\u5fa9\u6587\u4ef6\uff1a<\/p>\n<pre><code>DELETE BACKUP OF DATABASE COMPLETED BEFORE 'SYSDATE-7';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664\u4e03\u5929\u524d\u7684\u6240\u6709\u6578\u64da\u5eab\u5099\u4efd\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-eeCvTYONHa\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u522a\u9664\u4efb\u4f55\u6062\u5fa9\u6587\u4ef6\u4e4b\u524d\uff0c\u52d9\u5fc5\u78ba\u8a8d\u9019\u4e9b\u6587\u4ef6\u4e0d\u518d\u9700\u8981\uff0c\u4e26\u4e14\u5df2\u7d93\u6709\u9069\u7576\u7684\u5099\u4efd\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u4fbf\u53ca\u6642\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6062\u5fa9\u6587\u4ef6\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e64\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eeCvTYONHa\">\u7e3d\u7d50<\/h2>\n<p>\u522a\u9664\u6578\u64da\u5eab\u6062\u5fa9\u6587\u4ef6\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\uff0c\u53ef\u4ee5\u5e6b\u52a9\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u901a\u904e\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u3001\u8a2d\u5b9a\u81ea\u52d5\u6e05\u7406\u7b56\u7565\u4ee5\u53ca\u624b\u52d5\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6062\u5fa9\u6587\u4ef6\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u7dad\u8b77\u6578\u64da\u5eab\u7684\u5065\u5eb7\u72c0\u614b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684\u6578\u64da\u5eab\u6062\u5fa9\u522a\u9664\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u5b89\u5168\u5730\u522a\u9664\u6578\u64da\u5eab\u6587\u4ef6\u4ee5\u4fdd\u8b77\u654f\u611f\u4fe1\u606f\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-180200","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180200","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=180200"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180200\/revisions"}],"predecessor-version":[{"id":180201,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180200\/revisions\/180201"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}