{"id":61647,"date":"2024-10-13T12:37:17","date_gmt":"2024-10-13T04:37:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61647\/"},"modified":"2024-10-13T12:37:17","modified_gmt":"2024-10-13T04:37:17","slug":"ibm-db2%e5%8f%83%e6%95%b8%e8%aa%bf%e5%84%aa%e5%a6%82%e4%bd%95%e9%a1%af%e7%a5%9e%e5%8a%9f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61647\/","title":{"rendered":"IBM DB2\u53c3\u6578\u8abf\u512a\u5982\u4f55\u986f\u795e\u529f\uff1f"},"content":{"rendered":"<h1 id=\"ibm-db2%e5%8f%83%e6%95%b8%e8%aa%bf%e5%84%aa%e5%a6%82%e4%bd%95%e9%a1%af%e7%a5%9e%e5%8a%9f%ef%bc%9f-xpAkCAnDeU\">IBM DB2\u53c3\u6578\u8abf\u512a\u5982\u4f55\u986f\u795e\u529f\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002IBM DB2\u4f5c\u70ba\u4e00\u6b3e\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u53c3\u6578\u4f86\u5e6b\u52a9\u7528\u6236\u512a\u5316\u5176\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u8abf\u6574IBM DB2\u7684\u53c3\u6578\u4f86\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdb2%e5%8f%83%e6%95%b8%e8%aa%bf%e5%84%aa%ef%bc%9f-xpAkCAnDeU\">\u4ec0\u9ebc\u662fDB2\u53c3\u6578\u8abf\u512a\uff1f<\/h2>\n<p>DB2\u53c3\u6578\u8abf\u512a\u662f\u6307\u901a\u904e\u8abf\u6574\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u4ee5\u63d0\u9ad8\u5176\u6027\u80fd\u548c\u6548\u7387\u7684\u904e\u7a0b\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u5f71\u97ff\u67e5\u8a62\u57f7\u884c\u7684\u901f\u5ea6\u3001\u8cc7\u6e90\u7684\u4f7f\u7528\u6548\u7387\u4ee5\u53ca\u6574\u9ad4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u6b63\u78ba\u7684\u53c3\u6578\u8a2d\u7f6e\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u7684\u97ff\u61c9\u6642\u9593\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u541e\u5410\u91cf\u3002<\/p>\n<h2 id=\"%e9%97%9c%e9%8d%b5%e5%8f%83%e6%95%b8%e5%8f%8a%e5%85%b6%e8%aa%bf%e6%95%b4%e6%96%b9%e6%b3%95-xpAkCAnDeU\">\u95dc\u9375\u53c3\u6578\u53ca\u5176\u8abf\u6574\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e8%a8%98%e6%86%b6%e9%ab%94%e7%ae%a1%e7%90%86-xpAkCAnDeU\">1. \u8a18\u61b6\u9ad4\u7ba1\u7406<\/h3>\n<p>DB2\u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u8a18\u61b6\u9ad4\u7684\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u95dc\u9375\u7684\u8a18\u61b6\u9ad4\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>DBHEAP<\/code>\uff1a\u9019\u500b\u53c3\u6578\u5b9a\u7fa9\u4e86\u6578\u64da\u5eab\u7684\u5806\u8a18\u61b6\u9ad4\u5927\u5c0f\u3002\u9069\u7576\u589e\u52a0\u6b64\u503c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><code>SORTHEAP<\/code>\uff1a\u6b64\u53c3\u6578\u63a7\u5236\u6392\u5e8f\u64cd\u4f5c\u6240\u4f7f\u7528\u7684\u8a18\u61b6\u9ad4\u5927\u5c0f\u3002\u5c0d\u65bc\u9700\u8981\u5927\u91cf\u6392\u5e8f\u7684\u67e5\u8a62\uff0c\u589e\u52a0\u6b64\u503c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><code>LOCKLIST<\/code>\uff1a\u9019\u500b\u53c3\u6578\u5b9a\u7fa9\u4e86\u9396\u5b9a\u7684\u8a18\u61b6\u9ad4\u5927\u5c0f\u3002\u9069\u7576\u7684\u8a2d\u7f6e\u53ef\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7af6\u722d\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e26\u767c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-xpAkCAnDeU\">2. \u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u67e5\u8a62\u512a\u5316\u662fDB2\u6027\u80fd\u8abf\u512a\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528<code>EXPLAIN<\/code>\u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li>\u78ba\u4fdd\u9069\u7576\u7684\u7d22\u5f15\u5b58\u5728\uff0c\u4ee5\u52a0\u901f\u67e5\u8a62\u7684\u57f7\u884c\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u5b50\u67e5\u8a62\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u806f\u63a5\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h3 id=\"3-i-o%e6%80%a7%e8%83%bd%e8%aa%bf%e6%95%b4-xpAkCAnDeU\">3. I\/O\u6027\u80fd\u8abf\u6574<\/h3>\n<p>I\/O\u6027\u80fd\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8abf\u6574\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><code>DB2_USE_ALTERNATE_INDEX<\/code>\uff1a\u555f\u7528\u6b64\u9078\u9805\u53ef\u4ee5\u63d0\u9ad8\u7d22\u5f15\u7684\u4f7f\u7528\u6548\u7387\u3002<\/li>\n<li>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7684\u91cd\u7d44\u548c\u91cd\u5efa\u7d22\u5f15\uff0c\u4ee5\u4fdd\u6301\u6700\u4f73\u7684I\/O\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e8%88%87%e8%a9%95%e4%bc%b0-xpAkCAnDeU\">\u76e3\u63a7\u8207\u8a55\u4f30<\/h2>\n<p>\u8abf\u6574\u53c3\u6578\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u6027\u80fd\u6307\u6a19\uff0c\u5982<code>db2pd<\/code>\u548c<code>db2top<\/code>\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u9032\u4e00\u6b65\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-xpAkCAnDeU\">\u7d50\u8ad6<\/h2>\n<p>IBM DB2\u7684\u53c3\u6578\u8abf\u512a\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u901a\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u8abf\u6574\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u7121\u8ad6\u662f\u8a18\u61b6\u9ad4\u7ba1\u7406\u3001\u67e5\u8a62\u512a\u5316\u9084\u662fI\/O\u6027\u80fd\u8abf\u6574\uff0c\u6b63\u78ba\u7684\u7b56\u7565\u90fd\u80fd\u5e6b\u52a9\u4f01\u696d\u66f4\u6709\u6548\u5730\u5229\u7528\u5176\u6578\u64da\u8cc7\u6e90\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u638c\u63e1DB2\u7684\u53c3\u6578\u8abf\u512a\u6280\u5de7\u7121\u7591\u662f\u63d0\u5347\u7af6\u722d\u529b\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22IBM DB2\u53c3\u6578\u8abf\u512a\u7684\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u904b\u884c\uff0c\u8b93\u60a8\u7684\u7cfb\u7d71\u5982\u864e\u6dfb\u7ffc\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-61647","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61647","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=61647"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61647\/revisions"}],"predecessor-version":[{"id":61648,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61647\/revisions\/61648"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}