{"id":95534,"date":"2024-10-20T01:51:17","date_gmt":"2024-10-19T17:51:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95534\/"},"modified":"2024-10-20T01:51:18","modified_gmt":"2024-10-19T17:51:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95534\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u600e\u9ebc\u8fa6\uff1f (oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f)"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-dgDsCUOakV\">Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u600e\u9ebc\u8fa6\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u60c5\u6cc1\u6642\u6709\u767c\u751f\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f71\u97ff\u696d\u52d9\u7684\u9023\u7e8c\u6027\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u8655\u7406Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u554f\u984c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u539f\u56e0\u3001\u8b58\u5225\u65b9\u6cd5\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f%e7%9a%84%e5%8e%9f%e5%9b%a0-dgDsCUOakV\">Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u539f\u56e0<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\uff1a<\/strong>\u7576\u4e00\u500b\u4e8b\u52d9\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u672a\u80fd\u53ca\u6642\u63d0\u4ea4\u6216\u56de\u6efe\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5176\u4ed6\u4e8b\u52d9\u7121\u6cd5\u8a2a\u554f\u88ab\u9396\u5b9a\u7684\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6b7b\u9396\uff1a<\/strong>\u7576\u5169\u500b\u6216\u591a\u500b\u4e8b\u52d9\u4e92\u76f8\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u6642\uff0c\u5c31\u6703\u767c\u751f\u6b7b\u9396\uff0c\u9019\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u9396\u5b9a\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u958b\u767c\u4eba\u54e1\u5728\u7de8\u5bebSQL\u8a9e\u53e5\u6642\u672a\u80fd\u5408\u7406\u4f7f\u7528\u9396\u5b9a\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u9396\u5b9a\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e8%a2%ab%e9%8e%96%e4%bd%8f%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-dgDsCUOakV\">\u5982\u4f55\u8b58\u5225\u88ab\u9396\u4f4f\u7684\u6578\u64da\u5eab<\/h2>\n<p>\u8981\u8b58\u5225Oracle\u6578\u64da\u5eab\u662f\u5426\u88ab\u9396\u4f4f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62V$LOCK\u8996\u5716\uff1a<\/strong>\u9019\u500b\u8996\u5716\u63d0\u4f9b\u4e86\u7576\u524d\u6240\u6709\u9396\u7684\u4fe1\u606f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u8a62\uff1a<\/li>\n<pre><code>SELECT * FROM V$LOCK;<\/code><\/pre>\n<li><strong>\u67e5\u8a62V$SESSION\u8996\u5716\uff1a<\/strong>\u9019\u500b\u8996\u5716\u986f\u793a\u4e86\u7576\u524d\u6240\u6709\u6703\u8a71\u7684\u72c0\u614b\uff0c\u5305\u62ec\u662f\u5426\u88ab\u9396\u5b9a\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u8a62\uff1a<\/li>\n<pre><code>SELECT * FROM V$SESSION WHERE BLOCKING_SESSION IS NOT NULL;<\/code><\/pre>\n<li><strong>\u4f7f\u7528DBA_BLOCKERS\u548cDBA_WAITERS\u8996\u5716\uff1a<\/strong>\u9019\u4e9b\u8996\u5716\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u54ea\u4e9b\u6703\u8a71\u6b63\u5728\u963b\u585e\u5176\u4ed6\u6703\u8a71\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u8a62\uff1a<\/li>\n<pre><code>SELECT * FROM DBA_BLOCKERS; \nSELECT * FROM DBA_WAITERS;<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%baoracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f%e7%9a%84%e5%95%8f%e9%a1%8c-dgDsCUOakV\">\u89e3\u6c7aOracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u554f\u984c<\/h2>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u89e3\u6c7a\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u7d42\u6b62\u963b\u585e\u6703\u8a71\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u6703\u8a71\u9577\u6642\u9593\u963b\u585e\u5176\u4ed6\u6703\u8a71\uff0c\u53ef\u4ee5\u8003\u616e\u7d42\u6b62\u8a72\u6703\u8a71\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/li>\n<pre><code>ALTER SYSTEM KILL SESSION 'sid,serial#';<\/code><\/pre>\n<li><strong>\u56de\u6efe\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u4e8b\u52d9\u672a\u80fd\u53ca\u6642\u63d0\u4ea4\uff0c\u53ef\u4ee5\u8003\u616e\u56de\u6efe\u8a72\u4e8b\u52d9\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/li>\n<pre><code>ROLLBACK;<\/code><\/pre>\n<li><strong>\u8abf\u6574\u9396\u5b9a\u7b56\u7565\uff1a<\/strong>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u61c9\u5408\u7406\u4f7f\u7528\u9396\u5b9a\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9396\u5b9a\u60c5\u6cc1\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u884c\u7d1a\u9396\u800c\u975e\u8868\u7d1a\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%a0%90%e9%98%b2oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e4%bd%8f%e7%9a%84%e6%8e%aa%e6%96%bd-dgDsCUOakV\">\u9810\u9632Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u907f\u514dOracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u60c5\u6cc1\uff0c\u5efa\u8b70\u63a1\u53d6\u4ee5\u4e0b\u9810\u9632\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u512a\u5316SQL\u67e5\u8a62\uff1a<\/strong>\u78ba\u4fddSQL\u67e5\u8a62\u7684\u6548\u7387\uff0c\u6e1b\u5c11\u9577\u6642\u9593\u904b\u884c\u7684\u4e8b\u52d9\u3002<\/li>\n<li><strong>\u57f9\u8a13\u958b\u767c\u4eba\u54e1\uff1a<\/strong>\u52a0\u5f37\u5c0d\u958b\u767c\u4eba\u54e1\u7684\u57f9\u8a13\uff0c\u8b93\u4ed6\u5011\u4e86\u89e3\u9396\u5b9a\u7684\u539f\u7406\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dgDsCUOakV\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u554f\u984c\u53ef\u80fd\u6703\u5c0d\u696d\u52d9\u904b\u884c\u9020\u6210\u56b4\u91cd\u5f71\u97ff\uff0c\u56e0\u6b64\u53ca\u6642\u8b58\u5225\u548c\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u3001\u512a\u5316SQL\u67e5\u8a62\u4ee5\u53ca\u5408\u7406\u4f7f\u7528\u9396\u5b9a\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u9810\u9632\u6b64\u985e\u554f\u984c\u7684\u767c\u751f\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u7a69\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u89e3\u6c7aOracle\u6578\u64da\u5eab\u88ab\u9396\u4f4f\u7684\u554f\u984c\uff0c\u5feb\u901f\u6062\u5fa9\u6578\u64da\u8a2a\u554f\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6b63\u5e38\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-95534","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95534","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=95534"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95534\/revisions"}],"predecessor-version":[{"id":95535,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95534\/revisions\/95535"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}