{"id":60417,"date":"2024-10-13T02:41:14","date_gmt":"2024-10-12T18:41:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60417\/"},"modified":"2024-10-13T02:41:14","modified_gmt":"2024-10-12T18:41:14","slug":"db2%e4%b8%a6%e7%99%bc%e9%80%a3%e6%8e%a5%e6%99%82%e7%9a%84%e6%80%a7%e8%83%bd%e8%80%83%e6%85%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60417\/","title":{"rendered":"DB2\u4e26\u767c\u9023\u63a5\u6642\u7684\u6027\u80fd\u8003\u616e"},"content":{"rendered":"<h1 id=\"db2%e4%b8%a6%e7%99%bc%e9%80%a3%e6%8e%a5%e6%99%82%e7%9a%84%e6%80%a7%e8%83%bd%e8%80%83%e6%85%ae-eXYPnnPykw\">DB2\u4e26\u767c\u9023\u63a5\u6642\u7684\u6027\u80fd\u8003\u616e<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u56e0\u5176\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u9023\u63a5\u5230DB2\u6578\u64da\u5eab\u6642\uff0c\u6027\u80fd\u554f\u984c\u53ef\u80fd\u6703\u6d6e\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u4e26\u767c\u9023\u63a5\u6642\u7684\u6027\u80fd\u8003\u616e\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u4ee5\u512a\u5316\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%b8%a6%e7%99%bc%e9%80%a3%e6%8e%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-eXYPnnPykw\">1. \u4e26\u767c\u9023\u63a5\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u4e26\u767c\u9023\u63a5\u662f\u6307\u591a\u500b\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u7684\u60c5\u6cc1\u3002\u5728DB2\u4e2d\uff0c\u9019\u4e9b\u9023\u63a5\u53ef\u4ee5\u662f\u4f86\u81ea\u4e0d\u540c\u7684\u61c9\u7528\u7a0b\u5e8f\u3001\u7528\u6236\u6216\u670d\u52d9\u3002\u96a8\u8457\u4e26\u767c\u9023\u63a5\u6578\u91cf\u7684\u589e\u52a0\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u8cc7\u6e90\u6709\u9650\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"2-%e6%80%a7%e8%83%bd%e7%93%b6%e9%a0%b8%e7%9a%84%e8%ad%98%e5%88%a5-eXYPnnPykw\">2. \u6027\u80fd\u74f6\u9838\u7684\u8b58\u5225<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u6027\u80fd\u74f6\u9838\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>CPU\u4f7f\u7528\u7387\uff1a<\/strong>\u7576\u591a\u500b\u9023\u63a5\u540c\u6642\u8acb\u6c42\u6578\u64da\u6642\uff0cCPU\u7684\u8ca0\u8f09\u6703\u589e\u52a0\uff0c\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u5167\u5b58\u4f7f\u7528\uff1a<\/strong>\u6bcf\u500b\u9023\u63a5\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u904e\u591a\u7684\u9023\u63a5\u53ef\u80fd\u5c0e\u81f4\u5167\u5b58\u4e0d\u8db3\u3002<\/li>\n<li><strong>\u78c1\u789fI\/O\uff1a<\/strong>\u9ad8\u4e26\u767c\u9023\u63a5\u6703\u589e\u52a0\u78c1\u789f\u7684\u8b80\u5beb\u8acb\u6c42\uff0c\u5f9e\u800c\u5f71\u97ffI\/O\u6027\u80fd\u3002<\/li>\n<li><strong>\u9396\u5b9a\u548c\u6b7b\u9396\uff1a<\/strong>\u591a\u500b\u9023\u63a5\u540c\u6642\u8a2a\u554f\u76f8\u540c\u7684\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9396\u5b9a\u548c\u6b7b\u9396\u554f\u984c\uff0c\u9032\u4e00\u6b65\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%ad%96%e7%95%a5-eXYPnnPykw\">3. \u6027\u80fd\u512a\u5316\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8DB2\u5728\u4e26\u767c\u9023\u63a5\u4e0b\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"3-1-%e8%aa%bf%e6%95%b4%e9%80%a3%e6%8e%a5%e6%b1%a0-eXYPnnPykw\">3.1 \u8abf\u6574\u9023\u63a5\u6c60<\/h3>\n<p>\u4f7f\u7528\u9023\u63a5\u6c60\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u901a\u904e\u91cd\u7528\u73fe\u6709\u7684\u9023\u63a5\uff0c\u53ef\u4ee5\u6e1b\u5c11\u9023\u63a5\u5efa\u7acb\u7684\u958b\u92b7\u3002DB2\u652f\u6301\u9023\u63a5\u6c60\u7684\u914d\u7f6e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u8abf\u6574\u6700\u5927\u548c\u6700\u5c0f\u9023\u63a5\u6578\u3002<\/p>\n<pre><code>-- \u8a2d\u5b9a\u6700\u5927\u9023\u63a5\u6578\nSET MAX_CONNECTIONS = 100;\n<\/code><\/pre>\n<h3 id=\"3-2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-eXYPnnPykw\">3.2 \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u8868\u6383\u63cf\u4ee5\u53ca\u512a\u5316SQL\u8a9e\u53e5\u90fd\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<pre><code>-- \u4f7f\u7528\u7d22\u5f15\u4f86\u512a\u5316\u67e5\u8a62\nCREATE INDEX idx_customer_name ON customers(name);\n<\/code><\/pre>\n<h3 id=\"3-3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e8%b3%87%e6%ba%90-eXYPnnPykw\">3.3 \u76e3\u63a7\u548c\u8abf\u6574\u8cc7\u6e90<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7DB2\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5167\u5b58\u4f7f\u7528\u548cI\/O\u6027\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6f5b\u5728\u7684\u74f6\u9838\u3002\u6839\u64da\u76e3\u63a7\u7d50\u679c\uff0c\u8abf\u6574\u8cc7\u6e90\u914d\u7f6e\u4ee5\u6eff\u8db3\u9700\u6c42\u3002<\/p>\n<h3 id=\"3-4-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e8%a1%a8-eXYPnnPykw\">3.4 \u4f7f\u7528\u5206\u5340\u8868<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5206\u5340\u8868\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u5f9e\u800c\u6e1b\u5c11\u67e5\u8a62\u6642\u7684I\/O\u8ca0\u64d4\u3002<\/p>\n<pre><code>-- \u5275\u5efa\u5206\u5340\u8868\nCREATE TABLE sales (\n    id INT,\n    amount DECIMAL(10, 2)\n) PARTITION BY RANGE (id) (\n    PARTITION p1 VALUES LESS THAN (1000),\n    PARTITION p2 VALUES LESS THAN (2000)\n);\n<\/code><\/pre>\n<h2 id=\"4-%e7%b5%90%e8%ab%96-eXYPnnPykw\">4. \u7d50\u8ad6<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u4e26\u767c\u9023\u63a5\u7684\u6027\u80fd\u8003\u616e\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u8abf\u6574\u9023\u63a5\u6c60\u3001\u512a\u5316\u67e5\u8a62\u3001\u76e3\u63a7\u8cc7\u6e90\u548c\u4f7f\u7528\u5206\u5340\u8868\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8DB2\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e0b\u7684\u6027\u80fd\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u589e\u9577\uff0c\u6301\u7e8c\u7684\u6027\u80fd\u512a\u5316\u5c07\u6210\u70ba\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u4e26\u767c\u9023\u63a5\u7684\u6027\u80fd\u8003\u616e\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\u548c\u63d0\u9ad8\u7cfb\u7d71\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60417","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60417","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60417"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60417\/revisions"}],"predecessor-version":[{"id":60418,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60417\/revisions\/60418"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}