{"id":153523,"date":"2024-11-02T08:09:19","date_gmt":"2024-11-02T00:09:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153523\/"},"modified":"2024-11-02T08:09:20","modified_gmt":"2024-11-02T00:09:20","slug":"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%a9%ba%e9%96%93%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e5%8f%8a%e6%93%b4%e5%ae%b9%ef%bc%9f-%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153523\/","title":{"rendered":"\u9054\u5922\u6578\u64da\u5eab\u8868\u7a7a\u9593\u5982\u4f55\u67e5\u770b\u53ca\u64f4\u5bb9\uff1f (\u9054\u5922\u6578\u64da\u5eab\u8868\u7a7a\u9593\u5927\u5c0f)"},"content":{"rendered":"<h1 id=\"%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%a9%ba%e9%96%93%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e5%8f%8a%e6%93%b4%e5%ae%b9%ef%bc%9f-wqaVYlGZqj\">\u9054\u5922\u6578\u64da\u5eab\u8868\u7a7a\u9593\u5982\u4f55\u67e5\u770b\u53ca\u64f4\u5bb9\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8868\u7a7a\u9593\u7684\u5927\u5c0f\u548c\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528\u9054\u5922\u6578\u64da\u5eab\uff08DM Database\uff09\u6642\u3002\u8868\u7a7a\u9593\u662f\u7528\u4f86\u5b58\u5132\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u7d22\u5f15\u7b49\uff09\u7684\u908f\u8f2f\u7d50\u69cb\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u548c\u64f4\u5bb9\u8868\u7a7a\u9593\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u67e5\u770b\u9054\u5922\u6578\u64da\u5eab\u7684\u8868\u7a7a\u9593\u5927\u5c0f\u53ca\u5176\u64f4\u5bb9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81%e6%9f%a5%e7%9c%8b%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%a9%ba%e9%96%93%e5%a4%a7%e5%b0%8f-wqaVYlGZqj\">\u4e00\u3001\u67e5\u770b\u9054\u5922\u6578\u64da\u5eab\u8868\u7a7a\u9593\u5927\u5c0f<\/h2>\n<p>\u8981\u67e5\u770b\u9054\u5922\u6578\u64da\u5eab\u7684\u8868\u7a7a\u9593\u5927\u5c0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT \n    tablespace_name, \n    SUM(bytes) \/ 1024 \/ 1024 AS size_mb \nFROM \n    dba_data_files \nGROUP BY \n    tablespace_name;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u8a9e\u53e5\u6703\u8fd4\u56de\u6bcf\u500b\u8868\u7a7a\u9593\u7684\u540d\u7a31\u53ca\u5176\u5927\u5c0f\uff08\u4ee5MB\u70ba\u55ae\u4f4d\uff09\u3002\u5728\u57f7\u884c\u6b64\u67e5\u8a62\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u8a2a\u554f\u6578\u64da\u5b57\u5178\u8996\u5716\u3002<\/p>\n<h3 id=\"1-1-%e6%9f%a5%e8%a9%a2%e8%a1%a8%e7%a9%ba%e9%96%93%e7%9a%84%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-wqaVYlGZqj\">1.1 \u67e5\u8a62\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u9664\u4e86\u67e5\u770b\u8868\u7a7a\u9593\u7684\u7e3d\u5927\u5c0f\u5916\uff0c\u9084\u53ef\u4ee5\u67e5\u8a62\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6e90\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u7387\uff1a<\/p>\n<pre><code>SELECT \n    tablespace_name, \n    SUM(bytes) \/ 1024 \/ 1024 AS used_mb, \n    (SELECT SUM(bytes) FROM dba_data_files WHERE tablespace_name = df.tablespace_name) AS total_mb,\n    (SUM(bytes) \/ (SELECT SUM(bytes) FROM dba_data_files WHERE tablespace_name = df.tablespace_name)) * 100 AS usage_percentage\nFROM \n    dba_segments df \nGROUP BY \n    tablespace_name;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u6bcf\u500b\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e6%93%b4%e5%ae%b9%e9%81%94%e5%a4%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%a9%ba%e9%96%93-wqaVYlGZqj\">\u4e8c\u3001\u64f4\u5bb9\u9054\u5922\u6578\u64da\u5eab\u8868\u7a7a\u9593<\/h2>\n<p>\u7576\u767c\u73fe\u8868\u7a7a\u9593\u5373\u5c07\u6eff\u6642\uff0c\u9700\u8981\u9032\u884c\u64f4\u5bb9\u3002\u9054\u5922\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u64f4\u5bb9\u8868\u7a7a\u9593\u7684\u65b9\u6cd5\uff0c\u4ee5\u4e0b\u662f\u5e38\u7528\u7684\u5169\u7a2e\u65b9\u5f0f\uff1a<\/p>\n<h3 id=\"2-1-%e5%a2%9e%e5%8a%a0%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6-wqaVYlGZqj\">2.1 \u589e\u52a0\u6578\u64da\u6587\u4ef6<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u64f4\u5bb9\u65b9\u6cd5\u662f\u589e\u52a0\u65b0\u7684\u6578\u64da\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6dfb\u52a0\u65b0\u7684\u6578\u64da\u6587\u4ef6\uff1a<\/p>\n<pre><code>ALTER TABLESPACE tablespace_name \nADD DATAFILE 'new_datafile_path' SIZE 100M;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`tablespace_name`\u662f\u60a8\u8981\u64f4\u5bb9\u7684\u8868\u7a7a\u9593\u540d\u7a31\uff0c`new_datafile_path`\u662f\u65b0\u6578\u64da\u6587\u4ef6\u7684\u5b58\u5132\u8def\u5f91\uff0c`SIZE`\u6307\u5b9a\u4e86\u65b0\u6578\u64da\u6587\u4ef6\u7684\u5927\u5c0f\u3002<\/p>\n<h3 id=\"2-2-%e6%93%b4%e5%b1%95%e7%8f%be%e6%9c%89%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6-wqaVYlGZqj\">2.2 \u64f4\u5c55\u73fe\u6709\u6578\u64da\u6587\u4ef6<\/h3>\n<p>\u5982\u679c\u4e0d\u60f3\u589e\u52a0\u65b0\u7684\u6578\u64da\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u9078\u64c7\u64f4\u5c55\u73fe\u6709\u7684\u6578\u64da\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u64f4\u5c55\u6578\u64da\u6587\u4ef6\uff1a<\/p>\n<pre><code>ALTER DATABASE DATAFILE 'existing_datafile_path' RESIZE 200M;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`existing_datafile_path`\u662f\u60a8\u8981\u64f4\u5c55\u7684\u73fe\u6709\u6578\u64da\u6587\u4ef6\u7684\u8def\u5f91\uff0c`RESIZE`\u6307\u5b9a\u4e86\u65b0\u7684\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e4%b8%89%e3%80%81%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-wqaVYlGZqj\">\u4e09\u3001\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u8868\u7a7a\u9593\u64f4\u5bb9\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u6cc1\u767c\u751f\u3002<\/li>\n<li>\u78ba\u4fdd\u65b0\u6578\u64da\u6587\u4ef6\u7684\u5b58\u5132\u8def\u5f91\u6709\u8db3\u5920\u7684\u78c1\u789f\u7a7a\u9593\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u4fbf\u53ca\u6642\u9032\u884c\u64f4\u5bb9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wqaVYlGZqj\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u548c\u64f4\u5bb9\u9054\u5922\u6578\u64da\u5eab\u7684\u8868\u7a7a\u9593\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u8868\u7a7a\u9593\u7684\u5927\u5c0f\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u4e0d\u53d7\u5f71\u97ff\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u696d\u52d9\u904b\u884c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u53ca\u64f4\u5bb9\u9054\u5922\u6578\u64da\u5eab\u7684\u8868\u7a7a\u9593\u5927\u5c0f\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u6548\u7387\u8207\u6027\u80fd\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-153523","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153523","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=153523"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153523\/revisions"}],"predecessor-version":[{"id":153524,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153523\/revisions\/153524"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}