{"id":5350,"date":"2024-11-14T08:18:37","date_gmt":"2024-11-14T00:18:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5350\/"},"modified":"2024-11-14T08:18:37","modified_gmt":"2024-11-14T00:18:37","slug":"oracle%e6%ad%bb%e9%94%81%e6%80%8e%e4%b9%88%e5%8a%9e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5350\/","title":{"rendered":"oracle\u6b7b\u9501\u600e\u4e48\u529e"},"content":{"rendered":"<blockquote><p>\n  oracle \u6b7b\u9501\u5904\u7406\u6307\u5357\uff1a\u8bc6\u522b\u6b7b\u9501\uff1a\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684 &#8220;deadlock detected&#8221; \u9519\u8bef\u3002\u67e5\u770b\u6b7b\u9501\u4fe1\u606f\uff1a\u4f7f\u7528 get_deadlock \u5305\u6216 v$lock \u89c6\u56fe\u83b7\u53d6\u6b7b\u9501\u4f1a\u8bdd\u548c\u8d44\u6e90\u4fe1\u606f\u3002\u5206\u6790\u6b7b\u9501\u56fe\uff1a\u751f\u6210\u6b7b\u9501\u56fe\u4ee5\u53ef\u89c6\u5316\u9501\u6301\u6709\u548c\u7b49\u5f85\u60c5\u51b5\uff0c\u786e\u5b9a\u6b7b\u9501\u6839\u6e90\u3002\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\uff1a\u4f7f\u7528 kill session \u547d\u4ee4\u56de\u6eda\u4f1a\u8bdd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u4e2d\u65ad\u6b7b\u9501\u5468\u671f\uff1a\u4f7f\u7528 disconnect session \u547d\u4ee4\u65ad\u5f00\u4f1a\u8bdd\u8fde\u63a5\uff0c\u91ca\u653e\u6301\u6709\u7684\u9501\u3002\u9884\u9632\u6b7b\u9501\uff1a\u4f18\u5316\u67e5\u8be2\u3001\u4f7f\u7528\u4e50\u89c2\u9501\u5b9a\u3001\u8fdb\u884c\u4e8b\u52a1\u7ba1\u7406\u548c\u5b9a\u671f\u5065\u5eb7\u68c0\u67e5\u3002\u76d1\u63a7\u6b7b\u9501\uff1a\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/26\/2024052620040313482.jpg\" class=\"aligncenter\" title=\"oracle\u6b7b\u9501\u600e\u4e48\u529e\u63d2\u56fe\" alt=\"oracle\u6b7b\u9501\u600e\u4e48\u529e\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle \u6b7b\u9501\u5904\u7406\u6307\u5357<\/strong><\/p>\n<p>\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u6b7b\u9501\u4f1a\u963b\u788d\u5e76\u53d1\u64cd\u4f5c\u7684\u6b63\u5e38\u8fdb\u884c\uff0c\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u4f1a\u8bdd\u4e92\u76f8\u7b49\u5f85\u8d44\u6e90\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6b7b\u9501\u3002\u672c\u6587\u5c06\u5c31 Oracle \u6b7b\u9501\u7684\u5904\u7406\u65b9\u6cd5\u63d0\u4f9b\u8be6\u7ec6\u6307\u5357\u3002<\/p>\n<p><strong>1. \u8bc6\u522b\u6b7b\u9501<\/strong><\/p>\n<p>\u8bc6\u522b\u6b7b\u9501\u7684\u7b2c\u4e00\u6b65\u662f\u68c0\u67e5 Oracle \u6570\u636e\u5e93\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u6b7b\u9501\u4f1a\u5bfc\u81f4 DBMS \u8f93\u51fa\u7c7b\u4f3c &#8220;deadlock detected&#8221; \u7684\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<p><strong>2. \u67e5\u770b\u6b7b\u9501\u4fe1\u606f<\/strong><\/p>\n<p>\u4e00\u65e6\u8bc6\u522b\u51fa\u6b7b\u9501\uff0c\u4e0b\u4e00\u6b65\u662f\u67e5\u770b\u6b7b\u9501\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 DBMS_LOCK.GET_DEADLOCK \u5305\u6216 V$LOCK \u89c6\u56fe\u6765\u83b7\u53d6\u6709\u5173\u6b7b\u9501\u4f1a\u8bdd\u3001\u6301\u6709\u7684\u9501\u4ee5\u53ca\u7b49\u5f85\u8d44\u6e90\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p><strong>3. \u5206\u6790\u6b7b\u9501\u56fe<\/strong><\/p>\n<p>\u6b7b\u9501\u56fe\u53ef\u4ee5\u5e2e\u52a9\u60a8\u53ef\u89c6\u5316\u6b7b\u9501\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Oracle Enterprise Manager \u6216\u7b2c\u4e09\u65b9\u5de5\u5177\uff08\u5982 PL\/SQL Developer\uff09\u751f\u6210\u6b7b\u9501\u56fe\u3002\u8be5\u56fe\u5c06\u663e\u793a\u6bcf\u4e2a\u4f1a\u8bdd\u6301\u6709\u7684\u9501\u4ee5\u53ca\u4ed6\u4eec\u7b49\u5f85\u7684\u9501\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u786e\u5b9a\u6b7b\u9501\u7684\u6839\u6e90\u3002<\/p>\n<p><strong>4. \u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd<\/strong><\/p>\n<p>\u5904\u7406\u6b7b\u9501\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 KILL SESSION \u6216 ALTER SYSTEM KILL SESSION \u547d\u4ee4\u3002\u4f46\u662f\uff0c\u8bf7\u6ce8\u610f\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u3002<\/p>\n<p><strong>5. \u4e2d\u65ad\u6b7b\u9501\u5468\u671f<\/strong><\/p>\n<p>\u53e6\u4e00\u79cd\u5904\u7406\u6b7b\u9501\u7684\u65b9\u6cd5\u662f\u4e2d\u65ad\u5176\u5faa\u73af\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 ALTER SYSTEM DISCONNECT SESSION \u547d\u4ee4\u65ad\u5f00\u6b7b\u9501\u4f1a\u8bdd\u7684\u8fde\u63a5\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06\u4f1a\u8bdd\u7f6e\u4e8e\u4e0d\u53ef\u7528\u72b6\u6001\uff0c\u4ece\u800c\u91ca\u653e\u6301\u6709\u7684\u9501\u3002<\/p>\n<p><strong>6. \u9884\u9632\u6b7b\u9501<\/strong><\/p>\n<p>\u9884\u9632\u6b7b\u9501\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u4f18\u5316\u67e5\u8be2\u4ee5\u51cf\u5c11\u9501\u5b9a\u7684\u6301\u7eed\u65f6\u95f4<\/li>\n<li>\u4f7f\u7528\u4e50\u89c2\u9501\u5b9a\u548c\u4e0d\u52a0\u9501\u8bfb\u53d6<\/li>\n<li>\u4f7f\u7528\u4e8b\u52a1\u7ba1\u7406\u6765\u786e\u4fdd\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027<\/li>\n<li>\u5b9a\u671f\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u5065\u5eb7\u68c0\u67e5\uff0c\u4ee5\u68c0\u6d4b\u6f5c\u5728\u7684\u6b7b\u9501\u95ee\u9898<\/li>\n<\/ul>\n<p><strong>7. \u76d1\u63a7\u6b7b\u9501<\/strong><\/p>\n<p>\u6301\u7eed\u76d1\u63a7\u6b7b\u9501\u5bf9\u4e8e\u907f\u514d\u5176\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u81f3\u5173\u91cd\u8981\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Oracle Enterprise Manager \u6216\u7b2c\u4e09\u65b9\u5de5\u5177\u6765\u76d1\u63a7\u6b7b\u9501\u6d3b\u52a8\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6b7b\u9501\u600e\u4e48\u529e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>oracle \u6b7b\u9501\u5904\u7406\u6307\u5357\uff1a\u8bc6\u522b\u6b7b\u9501\uff1a\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684 &#8220;deadlock detected&#8221; \u9519\u8bef\u3002\u67e5\u770b\u6b7b\u9501\u4fe1\u606f\uff1a\u4f7f\u7528 get_deadlock \u5305\u6216 v$lock \u89c6\u56fe\u83b7\u53d6\u6b7b\u9501\u4f1a\u8bdd\u548c\u8d44\u6e90\u4fe1\u606f\u3002\u5206\u6790\u6b7b\u9501\u56fe\uff1a\u751f\u6210\u6b7b\u9501\u56fe\u4ee5\u53ef\u89c6\u5316\u9501\u6301\u6709\u548c\u7b49\u5f85\u60c5\u51b5\uff0c\u786e\u5b9a\u6b7b\u9501\u6839\u6e90\u3002\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\uff1a\u4f7f\u7528 kill session \u547d\u4ee4\u56de\u6eda\u4f1a\u8bdd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u4e2d\u65ad\u6b7b\u9501\u5468\u671f\uff1a\u4f7f\u7528 disconnect session \u547d\u4ee4\u65ad\u5f00\u4f1a\u8bdd\u8fde\u63a5\uff0c\u91ca\u653e\u6301\u6709\u7684\u9501\u3002\u9884\u9632\u6b7b\u9501\uff1a\u4f18\u5316\u67e5\u8be2\u3001\u4f7f\u7528\u4e50\u89c2\u9501\u5b9a\u3001\u8fdb\u884c\u4e8b\u52a1\u7ba1\u7406\u548c\u5b9a\u671f\u5065\u5eb7\u68c0\u67e5\u3002\u76d1\u63a7\u6b7b\u9501\uff1a Oracle \u6b7b\u9501\u5904\u7406\u6307\u5357 \u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u6b7b\u9501\u4f1a\u963b\u788d\u5e76\u53d1\u64cd\u4f5c\u7684\u6b63\u5e38\u8fdb\u884c\uff0c\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u4f1a\u8bdd\u4e92\u76f8\u7b49\u5f85\u8d44\u6e90\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u6b7b\u9501\u3002\u672c\u6587\u5c06\u5c31 Oracle \u6b7b\u9501\u7684\u5904\u7406\u65b9\u6cd5\u63d0\u4f9b\u8be6\u7ec6\u6307\u5357\u3002 1. \u8bc6\u522b\u6b7b\u9501 \u8bc6\u522b\u6b7b\u9501\u7684\u7b2c\u4e00\u6b65\u662f\u68c0\u67e5 Oracle \u6570\u636e\u5e93\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u6b7b\u9501\u4f1a\u5bfc\u81f4 DBMS \u8f93\u51fa\u7c7b\u4f3c &#8220;deadlock detected&#8221; \u7684\u9519\u8bef\u6d88\u606f\u3002 2. \u67e5\u770b\u6b7b\u9501\u4fe1\u606f \u4e00\u65e6\u8bc6\u522b\u51fa\u6b7b\u9501\uff0c\u4e0b\u4e00\u6b65\u662f\u67e5\u770b\u6b7b\u9501\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 DBMS_LOCK.GET_DEADLOCK \u5305\u6216 V$LOCK \u89c6\u56fe\u6765\u83b7\u53d6\u6709\u5173\u6b7b\u9501\u4f1a\u8bdd\u3001\u6301\u6709\u7684\u9501\u4ee5\u53ca\u7b49\u5f85\u8d44\u6e90\u7684\u8be6\u7ec6\u4fe1\u606f\u3002 3. \u5206\u6790\u6b7b\u9501\u56fe \u6b7b\u9501\u56fe\u53ef\u4ee5\u5e2e\u52a9\u60a8\u53ef\u89c6\u5316\u6b7b\u9501\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Oracle Enterprise Manager \u6216\u7b2c\u4e09\u65b9\u5de5\u5177\uff08\u5982 PL\/SQL Developer\uff09\u751f\u6210\u6b7b\u9501\u56fe\u3002\u8be5\u56fe\u5c06\u663e\u793a\u6bcf\u4e2a\u4f1a\u8bdd\u6301\u6709\u7684\u9501\u4ee5\u53ca\u4ed6\u4eec\u7b49\u5f85\u7684\u9501\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u786e\u5b9a\u6b7b\u9501\u7684\u6839\u6e90\u3002 4. \u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd \u5904\u7406\u6b7b\u9501\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 KILL SESSION \u6216 ALTER [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5350","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5350"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5350\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}