{"id":6096,"date":"2024-11-14T11:44:11","date_gmt":"2024-11-14T03:44:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6096\/"},"modified":"2024-11-14T11:44:11","modified_gmt":"2024-11-14T03:44:11","slug":"oracle%e9%94%81%e8%a1%a8%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6096\/","title":{"rendered":"oracle\u9501\u8868\u5982\u4f55\u89e3\u51b3"},"content":{"rendered":"<blockquote><p>\n  oracle \u9501\u8868\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u89e3\u51b3\uff1a\u67e5\u770b\u9501\u5b9a\u4fe1\u606f\uff0c\u627e\u51fa\u9501\u5b9a\u5bf9\u8c61\u548c\u4f1a\u8bdd\u3002\u4f7f\u7528 kill \u547d\u4ee4\u7ec8\u6b62\u7a7a\u95f2\u9501\u5b9a\u4f1a\u8bdd\u3002\u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b\u91ca\u653e\u6240\u6709\u9501\u3002\u4f7f\u7528 alter system kill session \u547d\u4ee4\u7ec8\u6b62\u987d\u56fa\u9501\u5b9a\u4f1a\u8bdd\u3002\u4f7f\u7528 dbms_lock \u5305\u8fdb\u884c\u7a0b\u5e8f\u5316\u9501\u7ba1\u7406\u3002\u4f18\u5316\u67e5\u8be2\u51cf\u5c11\u9501\u9891\u6b21\u3002\u8bbe\u7f6e\u9501\u517c\u5bb9\u6027\u7ea7\u522b\u964d\u4f4e\u9501\u4e89\u7528\u3002\u4f7f\u7528\u5e76\u53d1\u63a7\u5236\u673a\u5236\u51cf\u5c11\u9501\u9700\u6c42\u3002\u542f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\uff0c\u7cfb\u7edf\u81ea\u52a8\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/12\/2024061222542191440.jpg\" class=\"aligncenter\" title=\"oracle\u9501\u8868\u5982\u4f55\u89e3\u51b3\u63d2\u56fe\" alt=\"oracle\u9501\u8868\u5982\u4f55\u89e3\u51b3\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle \u9501\u8868\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>Oracle \u9501\u8868\u6307\u6570\u636e\u5e93\u4e2d\u67d0\u4e00\u884c\u6216\u8868\u88ab\u5176\u4ed6 session \u5360\u7528\uff0c\u5bfc\u81f4\u5176\u4ed6 session \u65e0\u6cd5\u8bbf\u95ee\u8be5\u884c\u6216\u8868\u3002\u89e3\u51b3 Oracle \u9501\u8868\u7684\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<p><strong>1. \u67e5\u770b\u9501\u5b9a\u4fe1\u606f<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 SELECT * FROM V$LOCKED_OBJECTS; \u547d\u4ee4\u67e5\u770b\u5f53\u524d\u88ab\u9501\u5b9a\u7684\u5bf9\u8c61\u548c\u4f1a\u8bdd\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528 KILL \u547d\u4ee4<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u9501\u5b9a\u4f1a\u8bdd\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\uff0c\u53ef\u4ee5\u4f7f\u7528 KILL \u547d\u4ee4\u5f3a\u884c\u7ec8\u6b62\u8be5\u4f1a\u8bdd\u3002<\/li>\n<\/ul>\n<p><strong>3. \u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b<\/strong><\/p>\n<ul>\n<li>\u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b\u53ef\u4ee5\u91ca\u653e\u6240\u6709\u9501\uff0c\u4f46\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6216\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528 ALTER SYSTEM KILL SESSION \u547d\u4ee4<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u987d\u56fa\u7684\u9501\uff0c\u53ef\u4ee5\u4f7f\u7528 ALTER SYSTEM KILL SESSION \u547d\u4ee4\u5f3a\u884c\u7ec8\u6b62\u4f1a\u8bdd\uff0c\u6bd4 KILL \u547d\u4ee4\u6743\u9650\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n<p><strong>5. \u4f7f\u7528 DBMS_LOCK \u5305<\/strong><\/p>\n<ul>\n<li>DBMS_LOCK \u5305\u63d0\u4f9b\u4e86\u7a0b\u5e8f\u5316\u7684\u9501\u7ba1\u7406\u529f\u80fd\u3002\u53ef\u4ee5\u521b\u5efa\u3001\u83b7\u53d6\u548c\u91ca\u653e\u9501\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u9501\u63a7\u5236\u3002<\/li>\n<\/ul>\n<p><strong>6. \u4f18\u5316\u67e5\u8be2<\/strong><\/p>\n<ul>\n<li>\u7f16\u5199\u9ad8\u6548\u7684\u67e5\u8be2\u53ef\u4ee5\u51cf\u5c11\u9501\u7684\u9891\u7387\u3002\u907f\u514d\u4f7f\u7528 SELECT * \u67e5\u8be2\uff0c\u5e76\u4f7f\u7528\u9002\u5f53\u7684\u7d22\u5f15\u6765\u4f18\u5316\u67e5\u8be2\u6267\u884c\u3002<\/li>\n<\/ul>\n<p><strong>7. \u4f7f\u7528\u9501\u517c\u5bb9\u6027<\/strong><\/p>\n<ul>\n<li>Oracle \u63d0\u4f9b\u4e86\u5404\u79cd\u9501\u517c\u5bb9\u6027\u7ea7\u522b\uff0c\u5982 ROW SHARE \u548c ROW EXCLUSIVE\u3002\u901a\u8fc7\u8bbe\u7f6e\u9002\u5f53\u7684\u517c\u5bb9\u6027\u7ea7\u522b\uff0c\u53ef\u4ee5\u51cf\u5c11\u9501\u4e89\u7528\u548c\u63d0\u9ad8\u5e76\u53d1\u6027\u3002<\/li>\n<\/ul>\n<p><strong>8. \u4f7f\u7528\u5e76\u53d1\u63a7\u5236\u673a\u5236<\/strong><\/p>\n<ul>\n<li>Oracle \u652f\u6301\u5e76\u53d1\u63a7\u5236\u673a\u5236\uff0c\u5982 Optimistic Concurrency Control (OCC) \u548c Multi-Version Concurrency Control (MVCC)\u3002\u8fd9\u4e9b\u673a\u5236\u5141\u8bb8\u591a\u4e2a\u4f1a\u8bdd\u6570\u636e\uff0c\u540c\u65f6\u51cf\u5c11\u9501\u7684\u9700\u8981\u3002<\/li>\n<\/ul>\n<p><strong>9. \u542f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b<\/strong><\/p>\n<ul>\n<li>Oracle \u63d0\u4f9b\u4e86\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\u673a\u5236\u3002\u5f53\u53d1\u751f\u6b7b\u9501\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u56de\u6eda\u6d89\u53ca\u7684\u4f1a\u8bdd\uff0c\u91ca\u653e\u9501\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3 Oracle \u9501\u8868\u95ee\u9898\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u7cfb\u7edf\u6027\u80fd\u548c\u5e76\u53d1\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u9501\u8868\u5982\u4f55\u89e3\u51b3\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 \u9501\u8868\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u89e3\u51b3\uff1a\u67e5\u770b\u9501\u5b9a\u4fe1\u606f\uff0c\u627e\u51fa\u9501\u5b9a\u5bf9\u8c61\u548c\u4f1a\u8bdd\u3002\u4f7f\u7528 kill \u547d\u4ee4\u7ec8\u6b62\u7a7a\u95f2\u9501\u5b9a\u4f1a\u8bdd\u3002\u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b\u91ca\u653e\u6240\u6709\u9501\u3002\u4f7f\u7528 alter system kill session \u547d\u4ee4\u7ec8\u6b62\u987d\u56fa\u9501\u5b9a\u4f1a\u8bdd\u3002\u4f7f\u7528 dbms_lock \u5305\u8fdb\u884c\u7a0b\u5e8f\u5316\u9501\u7ba1\u7406\u3002\u4f18\u5316\u67e5\u8be2\u51cf\u5c11\u9501\u9891\u6b21\u3002\u8bbe\u7f6e\u9501\u517c\u5bb9\u6027\u7ea7\u522b\u964d\u4f4e\u9501\u4e89\u7528\u3002\u4f7f\u7528\u5e76\u53d1\u63a7\u5236\u673a\u5236\u51cf\u5c11\u9501\u9700\u6c42\u3002\u542f\u7528\u81ea\u52a8\u6b7b\u9501\u68c0\u6d4b\uff0c\u7cfb\u7edf\u81ea\u52a8\u56de\u6eda\u6b7b\u9501\u4f1a\u8bdd\u3002 Oracle \u9501\u8868\u89e3\u51b3\u65b9\u6cd5 Oracle \u9501\u8868\u6307\u6570\u636e\u5e93\u4e2d\u67d0\u4e00\u884c\u6216\u8868\u88ab\u5176\u4ed6 session \u5360\u7528\uff0c\u5bfc\u81f4\u5176\u4ed6 session \u65e0\u6cd5\u8bbf\u95ee\u8be5\u884c\u6216\u8868\u3002\u89e3\u51b3 Oracle \u9501\u8868\u7684\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a 1. \u67e5\u770b\u9501\u5b9a\u4fe1\u606f \u4f7f\u7528 SELECT * FROM V$LOCKED_OBJECTS; \u547d\u4ee4\u67e5\u770b\u5f53\u524d\u88ab\u9501\u5b9a\u7684\u5bf9\u8c61\u548c\u4f1a\u8bdd\u4fe1\u606f\u3002 2. \u4f7f\u7528 KILL \u547d\u4ee4 \u5982\u679c\u9501\u5b9a\u4f1a\u8bdd\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\uff0c\u53ef\u4ee5\u4f7f\u7528 KILL \u547d\u4ee4\u5f3a\u884c\u7ec8\u6b62\u8be5\u4f1a\u8bdd\u3002 3. \u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b \u91cd\u542f\u6570\u636e\u5e93\u5b9e\u4f8b\u53ef\u4ee5\u91ca\u653e\u6240\u6709\u9501\uff0c\u4f46\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6216\u4e0d\u4e00\u81f4\u3002 4. \u4f7f\u7528 ALTER SYSTEM KILL SESSION \u547d\u4ee4 \u5bf9\u4e8e\u987d\u56fa\u7684\u9501\uff0c\u53ef\u4ee5\u4f7f\u7528 ALTER SYSTEM KILL SESSION \u547d\u4ee4\u5f3a\u884c\u7ec8\u6b62\u4f1a\u8bdd\uff0c\u6bd4 KILL \u547d\u4ee4\u6743\u9650\u66f4\u9ad8\u3002 5. [&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-6096","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6096","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=6096"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6096\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}