{"id":182672,"date":"2024-11-09T23:54:25","date_gmt":"2024-11-09T15:54:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182672\/"},"modified":"2024-11-09T23:54:26","modified_gmt":"2024-11-09T15:54:26","slug":"%e5%af%a6%e4%be%8b%e8%ac%9b%e8%a7%a3%e5%a6%82%e4%bd%95%e5%9c%a8db2-udb%e4%b8%ad%e6%ad%a3%e7%a2%ba%e7%9a%84%e7%9b%a3%e6%8e%a7%e6%ad%bb%e9%8e%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182672\/","title":{"rendered":"\u5be6\u4f8b\u8b1b\u89e3\u5982\u4f55\u5728DB2 UDB\u4e2d\u6b63\u78ba\u7684\u76e3\u63a7\u6b7b\u9396"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e4%be%8b%e8%ac%9b%e8%a7%a3%e5%a6%82%e4%bd%95%e5%9c%a8db2-udb%e4%b8%ad%e6%ad%a3%e7%a2%ba%e7%9a%84%e7%9b%a3%e6%8e%a7%e6%ad%bb%e9%8e%96-YYztFVzlDw\">\u5be6\u4f8b\u8b1b\u89e3\u5982\u4f55\u5728DB2 UDB\u4e2d\u6b63\u78ba\u7684\u76e3\u63a7\u6b7b\u9396<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6b7b\u9396\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002DB2 UDB\uff08Universal Database\uff09\u4f5c\u70baIBM\u7684\u4e00\u6b3e\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u76e3\u63a7\u548c\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728DB2 UDB\u4e2d\u6b63\u78ba\u5730\u76e3\u63a7\u6b7b\u9396\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f8b\u548c\u4ee3\u78bc\u7bc4\u4f8b\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%bb%e9%8e%96%ef%bc%9f-YYztFVzlDw\">\u4ec0\u9ebc\u662f\u6b7b\u9396\uff1f<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u9032\u7a0b\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u56e0\u70ba\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u800c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u60c5\u6cc1\u6703\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5b8c\u5168\u505c\u6eef\u3002\u56e0\u6b64\uff0c\u53ca\u6642\u76e3\u63a7\u548c\u8655\u7406\u6b7b\u9396\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u4efb\u52d9\u3002<\/p>\n<h2 id=\"db2-udb%e4%b8%ad%e7%9a%84%e6%ad%bb%e9%8e%96%e7%9b%a3%e6%8e%a7-YYztFVzlDw\">DB2 UDB\u4e2d\u7684\u6b7b\u9396\u76e3\u63a7<\/h2>\n<p>DB2 UDB\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u76e3\u63a7\u6b7b\u9396\uff0c\u5305\u62ec\u7cfb\u7d71\u65e5\u8a8c\u3001\u76e3\u63a7\u8996\u5716\u548c\u5c08\u7528\u7684\u6b7b\u9396\u6aa2\u6e2c\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8db2%e7%9a%84%e7%9b%a3%e6%8e%a7%e8%a6%96%e5%9c%96-YYztFVzlDw\">1. \u4f7f\u7528DB2\u7684\u76e3\u63a7\u8996\u5716<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7cfb\u7d71\u8996\u5716\uff0c\u53ef\u4ee5\u7528\u4f86\u76e3\u63a7\u7576\u524d\u7684\u9396\u5b9a\u72c0\u614b\u548c\u6b7b\u9396\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u8981\u7684\u8996\u5716\uff1a<\/p>\n<ul>\n<li><code>SYSTOOLS.LOCKS<\/code>\uff1a\u986f\u793a\u7576\u524d\u7684\u9396\u5b9a\u8cc7\u8a0a\u3002<\/li>\n<li><code>SYSTOOLS.DEADLOCKS<\/code>\uff1a\u986f\u793a\u7576\u524d\u7684\u6b7b\u9396\u8cc7\u8a0a\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u6b7b\u9396\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT * FROM SYSTOOLS.DEADLOCKS;<\/code><\/pre>\n<h3 id=\"2-%e5%95%9f%e7%94%a8%e6%ad%bb%e9%8e%96%e6%aa%a2%e6%b8%ac-YYztFVzlDw\">2. \u555f\u7528\u6b7b\u9396\u6aa2\u6e2c<\/h3>\n<p>DB2 UDB\u5141\u8a31\u7528\u6236\u555f\u7528\u81ea\u52d5\u6b7b\u9396\u6aa2\u6e2c\u529f\u80fd\u3002\u7576\u6aa2\u6e2c\u5230\u6b7b\u9396\u6642\uff0cDB2\u6703\u81ea\u52d5\u9078\u64c7\u4e00\u500b\u9032\u7a0b\u9032\u884c\u56de\u6efe\uff0c\u4ee5\u89e3\u9664\u6b7b\u9396\u72c0\u614b\u3002\u8981\u555f\u7528\u6b64\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>UPDATE DATABASE CONFIGURATION USING DEADLOCK TIMEOUT 10;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u8a2d\u7f6e\u4e86\u6b7b\u9396\u6aa2\u6e2c\u7684\u8d85\u6642\u6642\u9593\u70ba10\u79d2\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8db2%e7%9a%84%e4%ba%8b%e4%bb%b6%e7%9b%a3%e6%8e%a7-YYztFVzlDw\">3. \u4f7f\u7528DB2\u7684\u4e8b\u4ef6\u76e3\u63a7<\/h3>\n<p>DB2\u9084\u63d0\u4f9b\u4e86\u4e8b\u4ef6\u76e3\u63a7\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u4f86\u6355\u6349\u6b7b\u9396\u4e8b\u4ef6\u3002\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u4e8b\u4ef6\u76e3\u63a7\u4f86\u8a18\u9304\u6b7b\u9396\u4e8b\u4ef6\uff0c\u7136\u5f8c\u5206\u6790\u9019\u4e9b\u4e8b\u4ef6\u4ee5\u627e\u51fa\u554f\u984c\u7684\u6839\u6e90\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e8b\u4ef6\u76e3\u63a7\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE EVENT MONITOR deadlock_monitor FOR DEADLOCK;<\/code><\/pre>\n<p>\u5275\u5efa\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u4e8b\u4ef6\u76e3\u63a7\u7684\u7d50\u679c\uff1a<\/p>\n<pre><code>SELECT * FROM MON_GET_DEADLOCKS();<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e4%be%8b%e5%88%86%e6%9e%90-YYztFVzlDw\">\u5be6\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8a2d\u5728\u4e00\u500b\u9ad8\u4f75\u767c\u7684\u61c9\u7528\u4e2d\uff0c\u5169\u500b\u4ea4\u6613\u540c\u6642\u5617\u8a66\u66f4\u65b0\u540c\u4e00\u884c\u8cc7\u6599\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6b7b\u9396\u3002\u900f\u904e\u4e0a\u8ff0\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u6aa2\u6e2c\u5230\u6b7b\u9396\u7684\u767c\u751f\uff0c\u4e26\u901a\u904e\u5206\u6790\u6b7b\u9396\u4e8b\u4ef6\u7684\u8a73\u7d30\u8cc7\u8a0a\u4f86\u627e\u51fa\u554f\u984c\u6240\u5728\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u6b7b\u9396\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u5305\u62ec\u53c3\u8207\u6b7b\u9396\u7684\u4ea4\u6613ID\u3001\u9396\u5b9a\u7684\u8cc7\u6e90\u7b49\uff0c\u9019\u4e9b\u8cc7\u8a0a\u53ef\u4ee5\u5e6b\u52a9\u60a8\u8abf\u6574\u61c9\u7528\u908f\u8f2f\u6216\u8cc7\u6599\u5eab\u8a2d\u8a08\uff0c\u4ee5\u6e1b\u5c11\u6b7b\u9396\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-YYztFVzlDw\">\u7d50\u8ad6<\/h2>\n<p>\u5728DB2 UDB\u4e2d\uff0c\u6b63\u78ba\u7684\u76e3\u63a7\u6b7b\u9396\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528DB2\u63d0\u4f9b\u7684\u76e3\u63a7\u8996\u5716\u3001\u555f\u7528\u6b7b\u9396\u6aa2\u6e2c\u548c\u4e8b\u4ef6\u76e3\u63a7\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u8b58\u5225\u548c\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u8cc7\u6599\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u512a\u5316\u60a8\u7684\u8cc7\u6599\u5eab\u74b0\u5883\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728DB2 UDB\u4e2d\u6709\u6548\u76e3\u63a7\u6b7b\u9396\uff0c\u900f\u904e\u5be6\u4f8b\u8b1b\u89e3\u6700\u4f73\u5be6\u8e10\u8207\u5de5\u5177\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-182672","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182672","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=182672"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182672\/revisions"}],"predecessor-version":[{"id":182673,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182672\/revisions\/182673"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}