{"id":189838,"date":"2024-11-12T09:06:21","date_gmt":"2024-11-12T01:06:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189838\/"},"modified":"2024-11-12T09:06:22","modified_gmt":"2024-11-12T01:06:22","slug":"%e5%ae%8c%e5%85%a8%e5%b9%b9%e6%8e%89oracle%e6%ad%bb%e9%8e%96%e9%80%b2%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189838\/","title":{"rendered":"\u5b8c\u5168\u5e79\u6389Oracle\u6b7b\u9396\u9032\u7a0b"},"content":{"rendered":"<h1 id=\"%e5%ae%8c%e5%85%a8%e5%b9%b9%e6%8e%89oracle%e6%ad%bb%e9%8e%96%e9%80%b2%e7%a8%8b-mmycuwXSQs\">\u5b8c\u5168\u5e79\u6389Oracle\u6b7b\u9396\u9032\u7a0b<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6b7b\u9396\u662f\u4e00\u500b\u5e38\u898b\u4e14\u68d8\u624b\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\u3002\u6b7b\u9396\u767c\u751f\u5728\u5169\u500b\u6216\u591a\u500b\u9032\u7a0b\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\uff0c\u5c0e\u81f4\u6240\u6709\u76f8\u95dc\u9032\u7a0b\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u640d\u58de\u6216\u4e1f\u5931\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u8b58\u5225\u548c\u89e3\u6c7aOracle\u6b7b\u9396\u9032\u7a0b\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%bb%e9%8e%96%ef%bc%9f-mmycuwXSQs\">\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\u6301\u6709\u5c0d\u65b9\u6240\u9700\u7684\u8cc7\u6e90\u800c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u7684\u60c5\u6cc1\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5047\u8a2d\u9032\u7a0bA\u6301\u6709\u8cc7\u6e901\u4e26\u7b49\u5f85\u8cc7\u6e902\uff0c\u800c\u9032\u7a0bB\u6301\u6709\u8cc7\u6e902\u4e26\u7b49\u5f85\u8cc7\u6e901\uff0c\u9019\u6a23\u5c31\u5f62\u6210\u4e86\u6b7b\u9396\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e6%ad%bb%e9%8e%96-mmycuwXSQs\">\u5982\u4f55\u8b58\u5225\u6b7b\u9396<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u8b58\u5225\u6b7b\u9396\uff1a<\/p>\n<ul>\n<li>\u67e5\u8a62V$LOCK\u8996\u5716\uff1a\u9019\u500b\u8996\u5716\u63d0\u4f9b\u4e86\u7576\u524d\u6240\u6709\u9396\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u9396\u7684\u985e\u578b\u548c\u72c0\u614b\u3002<\/li>\n<li>\u67e5\u8a62V$SESSION\u8996\u5716\uff1a\u9019\u500b\u8996\u5716\u986f\u793a\u4e86\u7576\u524d\u6240\u6709\u6703\u8a71\u7684\u72c0\u614b\uff0c\u5305\u62ec\u7b49\u5f85\u4e8b\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528DBA_BLOCKERS\u548cDBA_WAITERS\u8996\u5716\uff1a\u9019\u4e9b\u8996\u5716\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u54ea\u4e9b\u6703\u8a71\u6b63\u5728\u963b\u585e\u5176\u4ed6\u6703\u8a71\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff0c\u7528\u65bc\u6aa2\u67e5\u7576\u524d\u7684\u6b7b\u9396\u60c5\u6cc1\uff1a<\/p>\n<pre><code>\nSELECT \n    a.sid AS waiting_session,\n    a.type AS waiting_type,\n    b.sid AS blocking_session,\n    b.type AS blocking_type\nFROM \n    v$lock a, v$lock b\nWHERE \n    a.block = 1 AND b.request &gt; 0;\n<\/code><\/pre>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%ad%bb%e9%8e%96%e7%9a%84%e6%96%b9%e6%b3%95-mmycuwXSQs\">\u89e3\u6c7a\u6b7b\u9396\u7684\u65b9\u6cd5<\/h2>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u6b7b\u9396\uff0c\u63a5\u4e0b\u4f86\u7684\u6b65\u9a5f\u662f\u89e3\u6c7a\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li><strong>\u7d42\u6b62\u9032\u7a0b\uff1a<\/strong>\u4f7f\u7528ALTER SYSTEM KILL SESSION\u547d\u4ee4\u7d42\u6b62\u4e00\u500b\u6216\u591a\u500b\u6b7b\u9396\u9032\u7a0b\u3002\u9019\u662f\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6cd5\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u91cd\u555f\u6578\u64da\u5eab\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u91cd\u555f\u6578\u64da\u5eab\u53ef\u4ee5\u6e05\u9664\u6240\u6709\u6b7b\u9396\uff0c\u4f46\u9019\u901a\u5e38\u4e0d\u662f\u9996\u9078\u65b9\u6848\uff0c\u56e0\u70ba\u5b83\u6703\u5f71\u97ff\u6240\u6709\u7528\u6236\u3002<\/li>\n<li><strong>\u8abf\u6574\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\uff1a<\/strong>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684\u9396\u5b9a\u908f\u8f2f\uff0c\u78ba\u4fdd\u4e0d\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u4f8b\u5982\uff0c\u78ba\u4fdd\u6240\u6709\u9032\u7a0b\u4ee5\u76f8\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%a0%90%e9%98%b2%e6%ad%bb%e9%8e%96%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-mmycuwXSQs\">\u9810\u9632\u6b7b\u9396\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u6b7b\u9396\u7684\u767c\u751f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u76e1\u91cf\u6e1b\u5c11\u9396\u7684\u6301\u6709\u6642\u9593\uff0c\u5feb\u901f\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u8cc7\u6e90\u3002<\/li>\n<li>\u4f7f\u7528\u8f03\u5c0f\u7684\u4e8b\u52d9\uff0c\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u7684\u9396\u5b9a\u60c5\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mmycuwXSQs\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6b7b\u9396\u9032\u7a0b\u7684\u7ba1\u7406\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u8ab2\u984c\u3002\u901a\u904e\u8b58\u5225\u3001\u89e3\u6c7a\u548c\u9810\u9632\u6b7b\u9396\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u9019\u4e9b\u554f\u984c\uff0c\u5c0d\u65bc\u7dad\u8b77\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\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\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5b8c\u5168\u89e3\u6c7aOracle\u6b7b\u9396\u9032\u7a0b\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\uff0c\u907f\u514d\u696d\u52d9\u4e2d\u65b7\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-189838","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189838","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=189838"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189838\/revisions"}],"predecessor-version":[{"id":189839,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189838\/revisions\/189839"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}