{"id":172641,"date":"2024-11-07T14:49:21","date_gmt":"2024-11-07T06:49:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172641\/"},"modified":"2024-11-07T14:49:22","modified_gmt":"2024-11-07T06:49:22","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e7%a9%ba%e9%96%93%ef%bc%9f-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%94%a8%e6%88%b6%e8%a1%a8%e7%a9%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172641\/","title":{"rendered":"\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u8868\u7a7a\u9593\uff1f (\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u8868\u7a7a\u9593)"},"content":{"rendered":"

\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u8868\u7a7a\u9593\uff1f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u7528\u6236\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u8868\u7a7a\u9593\u662f\u6578\u64da\u5eab\u4e2d\u7528\u4f86\u5b58\u5132\u6578\u64da\u7684\u908f\u8f2f\u7d50\u69cb\uff0c\u901a\u5e38\u7531\u4e00\u500b\u6216\u591a\u500b\u6578\u64da\u6587\u4ef6\u7d44\u6210\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u7684\u8868\u7a7a\u9593\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u8868\u7a7a\u9593\uff1f<\/h2>\n

\u8868\u7a7a\u9593\u662f\u6578\u64da\u5eab\u4e2d\u7528\u4f86\u7d44\u7e54\u548c\u5b58\u5132\u6578\u64da\u7684\u908f\u8f2f\u7d50\u69cb\u3002\u6bcf\u500b\u8868\u7a7a\u9593\u53ef\u4ee5\u5305\u542b\u591a\u500b\u8868\u3001\u7d22\u5f15\u548c\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u8868\u7a7a\u9593\u7684\u8a2d\u8a08\u53ef\u4ee5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7ba1\u7406\uff0c\u56e0\u6b64\u4e86\u89e3\u5176\u4f7f\u7528\u60c5\u6cc1\u662f\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u4efb\u52d9\u3002<\/p>\n

\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u8868\u7a7a\u9593\u7684\u6b65\u9a5f<\/h2>\n

\u4ee5\u4e0b\u662f\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u8868\u7a7a\u9593\u7684\u5e7e\u500b\u6b65\u9a5f\uff0c\u9019\u4e9b\u6b65\u9a5f\u9069\u7528\u65bc\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5982 MySQL \u548c Oracle\u3002<\/p>\n

\u5728 MySQL \u4e2d\u67e5\u770b\u8868\u7a7a\u9593<\/h3>\n

\u5728 MySQL \u4e2d\uff0c\u8868\u7a7a\u9593\u7684\u6982\u5ff5\u8207\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u7565\u6709\u4e0d\u540c\u3002MySQL \u4f7f\u7528\u6578\u64da\u5eab\u4f86\u7d44\u7e54\u8868\u548c\u6578\u64da\u3002\u8981\u67e5\u770b\u7279\u5b9a\u6578\u64da\u5eab\u7684\u5927\u5c0f\u548c\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/p>\n

SELECT table_schema AS 'Database',\n       SUM(data_length + index_length) \/ 1024 \/ 1024 AS 'Size (MB)'\nFROM information_schema.tables\nGROUP BY table_schema;<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u4ee5 MB \u70ba\u55ae\u4f4d\u3002\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u4e00\u6b65\u904e\u6ffe\u7d50\u679c\uff0c\u4ee5\u67e5\u770b\u7279\u5b9a\u7528\u6236\u7684\u6578\u64da\u5eab\u3002<\/p>\n
\u5728 Oracle \u4e2d\u67e5\u770b\u8868\u7a7a\u9593<\/h3>\n
\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c\u8868\u7a7a\u9593\u7684\u7ba1\u7406\u66f4\u52a0\u660e\u78ba\u3002\u8981\u67e5\u770b\u7528\u6236\u7684\u8868\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
SELECT tablespace_name,\n       SUM(bytes) \/ 1024 \/ 1024 AS \"Size (MB)\",\n       SUM(decode(sign(maxbytes), -1, bytes, maxbytes)) \/ 1024 \/ 1024 AS \"Max Size (MB)\",\n       SUM(bytes) \/ SUM(decode(sign(maxbytes), -1, bytes, maxbytes)) * 100 AS \"Usage (%)\"\nFROM dba_data_files\nGROUP BY tablespace_name;<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u986f\u793a\u6bcf\u500b\u8868\u7a7a\u9593\u7684\u5927\u5c0f\u3001\u6700\u5927\u5927\u5c0f\u548c\u4f7f\u7528\u767e\u5206\u6bd4\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u7528\u6236\u7684\u8868\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n
\u76e3\u63a7\u8868\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1<\/h2>\n
\u5b9a\u671f\u76e3\u63a7\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u5b9a\u671f\u7684\u5831\u544a\u6216\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\u4f86\u81ea\u52d5\u6aa2\u67e5\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u9019\u6a23\u53ef\u4ee5\u53ca\u65e9\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u7528\u6236\u7684\u8868\u7a7a\u9593\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662f MySQL \u9084\u662f Oracle\uff0c\u638c\u63e1\u76f8\u95dc\u7684\u67e5\u8a62\u8a9e\u53e5\u548c\u76e3\u63a7\u65b9\u6cd5\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5b9a\u671f\u6aa2\u67e5\u8868\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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