{"id":186822,"date":"2024-11-11T09:07:22","date_gmt":"2024-11-11T01:07:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186822\/"},"modified":"2024-11-11T09:07:23","modified_gmt":"2024-11-11T01:07:23","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%a9%ba%e9%96%93%e9%87%8b%e6%94%be%e7%9a%84%e6%96%b9%e6%b3%95%e5%a4%a7%e6%8f%ad%e7%a7%98-%e5%a6%82%e4%bd%95%e9%87%8b%e6%94%be%e6%95%b8%e6%93%9a%e5%ba%ab%e7%a9%ba%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186822\/","title":{"rendered":"\u6578\u64da\u5eab\u7a7a\u9593\u91cb\u653e\u7684\u65b9\u6cd5\u5927\u63ed\u79d8 (\u5982\u4f55\u91cb\u653e\u6578\u64da\u5eab\u7a7a\u9593)"},"content":{"rendered":"

\u6578\u64da\u5eab\u7a7a\u9593\u91cb\u653e\u7684\u65b9\u6cd5\u5927\u63ed\u79d8 (\u5982\u4f55\u91cb\u653e\u6578\u64da\u5eab\u7a7a\u9593)<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u53ef\u80fd\u6703\u56e0\u70ba\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u7a4d\u7d2f\u800c\u8b8a\u5f97\u81c3\u816b\uff0c\u9019\u4e0d\u50c5\u5f71\u97ff\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u5b58\u5132\u7a7a\u9593\u7684\u6d6a\u8cbb\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u91cb\u653e\u6578\u64da\u5eab\u7a7a\u9593\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u6578\u64da\u5eab\u7a7a\u9593\u91cb\u653e\u65b9\u6cd5\u3002<\/p>\n

1. \u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h2>\n

\u6578\u64da\u5eab\u4e2d\u7d93\u5e38\u6703\u7a4d\u7d2f\u4e00\u4e9b\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4f8b\u5982\u904e\u671f\u7684\u8a18\u9304\u3001\u6e2c\u8a66\u6578\u64da\u6216\u91cd\u8907\u7684\u6578\u64da\u3002\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u9019\u4e9b\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u662f\u91cb\u653e\u7a7a\u9593\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n

DELETE FROM table_name WHERE condition;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u6d3b\u52d5\u7684\u8868\u683c\uff0c\u60a8\u53ef\u4ee5\u522a\u9664\u8d85\u904e\u4e00\u5e74\u7684\u6d3b\u52d5\u8a18\u9304\uff1a<\/p>\n
DELETE FROM user_activity WHERE activity_date < NOW() - INTERVAL 1 YEAR;<\/code><\/pre>\n
2. \u4f7f\u7528\u6578\u64da\u58d3\u7e2e<\/h2>\n
\u8a31\u591a\u73fe\u4ee3\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u652f\u6301\u6578\u64da\u58d3\u7e2e\u529f\u80fd\u3002\u901a\u904e\u58d3\u7e2e\u6578\u64da\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u7684\u4f7f\u7528\u3002\u9019\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\u7279\u5225\u6709\u6548\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u555f\u7528\u8868\u7684\u58d3\u7e2e\uff1a<\/p>\n
ALTER TABLE table_name ROW_FORMAT=COMPRESSED;<\/code><\/pre>\n
3. \u6e05\u7406\u7d22\u5f15<\/h2>\n
\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\uff0c\u4f46\u904e\u591a\u6216\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u7d22\u5f15\uff0c\u53ef\u4ee5\u91cb\u653e\u51fa\u53ef\u89c0\u7684\u7a7a\u9593\u3002<\/p>\n
DROP INDEX index_name ON table_name;<\/code><\/pre>\n
\u5728\u522a\u9664\u7d22\u5f15\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5206\u6790\u5176\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u5f71\u97ff\u5230\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n
4. \u6578\u64da\u5eab\u788e\u7247\u6574\u7406<\/h2>\n
\u96a8\u8457\u6578\u64da\u7684\u589e\u522a\uff0c\u6578\u64da\u5eab\u53ef\u80fd\u6703\u51fa\u73fe\u788e\u7247\uff0c\u9019\u6703\u5c0e\u81f4\u7a7a\u9593\u7684\u6d6a\u8cbb\u3002\u5b9a\u671f\u9032\u884c\u788e\u7247\u6574\u7406\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u7a7a\u9593\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6574\u7406\u8868\uff1a<\/p>\n
OPTIMIZE TABLE table_name;<\/code><\/pre>\n
5. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n
\u5c0d\u65bc\u5927\u578b\u6578\u64da\u5eab\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6578\u64da\u4e26\u91cb\u653e\u7a7a\u9593\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6210\u591a\u500b\u5206\u5340\uff0c\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u522a\u9664\u904e\u671f\u6578\u64da\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u5206\u5340\uff1a<\/p>\n
CREATE TABLE table_name (\n    id INT,\n    data VARCHAR(100),\n    PRIMARY KEY (id, data)\n) PARTITION BY RANGE (YEAR(date_column)) (\n    PARTITION p0 VALUES LESS THAN (2020),\n    PARTITION p1 VALUES LESS THAN (2021),\n    PARTITION p2 VALUES LESS THAN (2022)\n);<\/code><\/pre>\n
6. \u5b9a\u671f\u5099\u4efd\u548c\u6e05\u7406<\/h2>\n
\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u4e0d\u50c5\u53ef\u4ee5\u4fdd\u8b77\u6578\u64da\uff0c\u9084\u53ef\u4ee5\u5728\u5099\u4efd\u904e\u7a0b\u4e2d\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u5099\u4efd\u5f8c\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u820a\u7684\u6578\u64da\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u91cb\u653e\u7a7a\u9593\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u91cb\u653e\u6578\u64da\u5eab\u7a7a\u9593\u662f\u4e00\u9805\u91cd\u8981\u7684\u7dad\u8b77\u4efb\u52d9\uff0c\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u901a\u904e\u5b9a\u671f\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u4f7f\u7528\u6578\u64da\u58d3\u7e2e\u3001\u6e05\u7406\u7d22\u5f15\u3001\u9032\u884c\u788e\u7247\u6574\u7406\u3001\u4f7f\u7528\u5206\u5340\u6280\u8853\u4ee5\u53ca\u5b9a\u671f\u5099\u4efd\u548c\u6e05\u7406\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7a7a\u9593\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u6216 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u5728\u6700\u4f73\u72c0\u614b\u4e0b\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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