{"id":157428,"date":"2024-11-02T23:00:23","date_gmt":"2024-11-02T15:00:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157428\/"},"modified":"2024-11-02T23:00:24","modified_gmt":"2024-11-02T15:00:24","slug":"%e5%b9%b9%e8%b2%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9c%89%e6%8a%8a-tx-%e9%8e%96%ef%bc%8c%e5%a6%82%e4%bd%95%e5%ae%9a%e4%bd%8d%e9%8e%96%e5%9c%a8%e5%93%aa%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157428\/","title":{"rendered":"\u5e79\u8ca8 | Oracle \u6578\u64da\u5eab\u6709\u628a TX \u9396\uff0c\u5982\u4f55\u5b9a\u4f4d\u9396\u5728\u54ea\uff1f"},"content":{"rendered":"<h1 id=\"%e5%b9%b9%e8%b2%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9c%89%e6%8a%8a-tx-%e9%8e%96%ef%bc%8c%e5%a6%82%e4%bd%95%e5%ae%9a%e4%bd%8d%e9%8e%96%e5%9c%a8%e5%93%aa%ef%bc%9f-oFheUbhixD\">\u5e79\u8ca8 | Oracle \u6578\u64da\u5eab\u6709\u628a TX \u9396\uff0c\u5982\u4f55\u5b9a\u4f4d\u9396\u5728\u54ea\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u91cd\u8981\u4e00\u74b0\u3002\u7576\u6578\u64da\u5eab\u4e2d\u7684\u4e8b\u52d9\uff08Transaction\uff09\u9700\u8981\u5c0d\u67d0\u4e9b\u8cc7\u6e90\u9032\u884c\u64cd\u4f5c\u6642\uff0cOracle \u6703\u81ea\u52d5\u70ba\u9019\u4e9b\u8cc7\u6e90\u52a0\u9396\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u4e8b\u52d9\u540c\u6642\u4fee\u6539\u76f8\u540c\u7684\u6578\u64da\uff0c\u5f9e\u800c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002\u7136\u800c\uff0c\u7576\u9396\u7684\u7ba1\u7406\u4e0d\u7576\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u6216\u9577\u6642\u9593\u7684\u9396\u7b49\u5f85\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5b9a\u4f4d\u548c\u7ba1\u7406 TX \u9396\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-tx-%e9%8e%96%ef%bc%9f-oFheUbhixD\">\u4ec0\u9ebc\u662f TX \u9396\uff1f<\/h2>\n<p>TX \u9396\u662f Oracle \u6578\u64da\u5eab\u4e2d\u7528\u65bc\u4e8b\u52d9\u7684\u9396\u985e\u578b\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u5c0d\u67d0\u500b\u6578\u64da\u884c\u9032\u884c\u4fee\u6539\u6642\uff0cOracle \u6703\u81ea\u52d5\u70ba\u8a72\u884c\u52a0\u4e0a TX \u9396\uff0c\u9019\u6a23\u5176\u4ed6\u4e8b\u52d9\u5728\u672a\u63d0\u4ea4\u4e4b\u524d\u7121\u6cd5\u5c0d\u8a72\u884c\u9032\u884c\u4fee\u6539\u3002TX \u9396\u7684\u5b58\u5728\u662f\u70ba\u4e86\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u4f46\u5982\u679c\u9396\u7684\u6301\u6709\u6642\u9593\u904e\u9577\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%ae%9a%e4%bd%8d-tx-%e9%8e%96%ef%bc%9f-oFheUbhixD\">\u5982\u4f55\u5b9a\u4f4d TX \u9396\uff1f<\/h2>\n<p>\u5b9a\u4f4d TX \u9396\u7684\u904e\u7a0b\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-vlock-%e8%a7%80%e5%af%9f%e9%8e%96%e7%9a%84%e7%8b%80%e6%85%8b-oFheUbhixD\">1. \u4f7f\u7528 V$LOCK \u89c0\u5bdf\u9396\u7684\u72c0\u614b<\/h3>\n<p>Oracle \u63d0\u4f9b\u4e86\u4e00\u500b\u52d5\u614b\u6027\u80fd\u8996\u5716 V$LOCK\uff0c\u53ef\u4ee5\u7528\u4f86\u67e5\u770b\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7684\u9396\u4fe1\u606f\u3002\u901a\u904e\u67e5\u8a62\u9019\u500b\u8996\u5716\uff0c\u6211\u5011\u53ef\u4ee5\u7372\u5f97\u9396\u7684\u985e\u578b\u3001\u6a21\u5f0f\u3001\u6301\u6709\u8005\u7b49\u4fe1\u606f\u3002<\/p>\n<pre><code>SELECT * FROM V$LOCK WHERE TYPE = 'TX';<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7576\u524d\u5b58\u5728\u7684 TX \u9396\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u9396\u7684 ID\u3001\u6a21\u5f0f\u3001\u6301\u6709\u8005\u7b49\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-vsession-%e7%8d%b2%e5%8f%96%e6%9c%83%e8%a9%b1%e4%bf%a1%e6%81%af-oFheUbhixD\">2. \u4f7f\u7528 V$SESSION \u7372\u53d6\u6703\u8a71\u4fe1\u606f<\/h3>\n<p>\u9664\u4e86\u9396\u7684\u4fe1\u606f\u5916\uff0c\u6211\u5011\u9084\u9700\u8981\u77e5\u9053\u54ea\u4e9b\u6703\u8a71\u6301\u6709\u9019\u4e9b\u9396\u3002\u53ef\u4ee5\u901a\u904e V$SESSION \u8996\u5716\u4f86\u7372\u53d6\u7576\u524d\u6703\u8a71\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u6703\u8a71 ID\u3001\u7528\u6236\u540d\u3001\u72c0\u614b\u7b49\u3002<\/p>\n<pre><code>SELECT SID, SERIAL#, USERNAME, STATUS FROM V$SESSION WHERE SID IN (SELECT SID FROM V$LOCK WHERE TYPE = 'TX');<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5b9a\u4f4d\u5230\u5177\u9ad4\u662f\u54ea\u500b\u6703\u8a71\u6301\u6709\u4e86\u9396\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-vsession_wait-%e7%8d%b2%e5%8f%96%e7%ad%89%e5%be%85%e4%bf%a1%e6%81%af-oFheUbhixD\">3. \u4f7f\u7528 V$SESSION_WAIT \u7372\u53d6\u7b49\u5f85\u4fe1\u606f<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u67d0\u4e9b\u6703\u8a71\u5728\u7b49\u5f85\u9396\uff0c\u53ef\u4ee5\u901a\u904e V$SESSION_WAIT \u4f86\u67e5\u770b\u5177\u9ad4\u7684\u7b49\u5f85\u4fe1\u606f\u3002\u9019\u500b\u8996\u5716\u63d0\u4f9b\u4e86\u7576\u524d\u6703\u8a71\u7684\u7b49\u5f85\u4e8b\u4ef6\u548c\u7b49\u5f85\u6642\u9593\u7b49\u4fe1\u606f\u3002<\/p>\n<pre><code>SELECT SID, EVENT, WAIT_TIME, SECONDS_IN_WAIT FROM V$SESSION_WAIT WHERE STATE = 'WAITING';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u4e86\u89e3\u54ea\u4e9b\u6703\u8a71\u56e0\u70ba\u9396\u800c\u8655\u65bc\u7b49\u5f85\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%95%8f%e9%a1%8c%ef%bc%9f-oFheUbhixD\">\u5982\u4f55\u89e3\u6c7a\u9396\u554f\u984c\uff1f<\/h2>\n<p>\u4e00\u65e6\u5b9a\u4f4d\u5230\u9396\u7684\u4f86\u6e90\uff0c\u63a5\u4e0b\u4f86\u5c31\u9700\u8981\u8003\u616e\u5982\u4f55\u89e3\u6c7a\u9019\u4e9b\u9396\u554f\u984c\u3002\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u512a\u5316\u4e8b\u52d9\uff1a\u6e1b\u5c11\u4e8b\u52d9\u7684\u6301\u9396\u6642\u9593\uff0c\u907f\u514d\u9577\u6642\u9593\u7684\u9396\u6301\u6709\u3002<\/li>\n<li>\u8abf\u6574\u61c9\u7528\u908f\u8f2f\uff1a\u5982\u679c\u53ef\u80fd\uff0c\u8abf\u6574\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\uff0c\u907f\u514d\u540c\u6642\u5c0d\u540c\u4e00\u8cc7\u6e90\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u624b\u52d5\u7d42\u6b62\u6703\u8a71\uff1a\u5728\u5fc5\u8981\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u624b\u52d5\u7d42\u6b62\u6301\u6709\u9396\u7684\u6703\u8a71\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oFheUbhixD\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0cTX \u9396\u7684\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 V$LOCK\u3001V$SESSION \u548c V$SESSION_WAIT \u7b49\u8996\u5716\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u5b9a\u4f4d\u548c\u7ba1\u7406\u9396\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9396\u554f\u984c\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u5b9a\u4f4d TX \u9396\uff0c\u638c\u63e1\u5e79\u8ca8\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7ba1\u7406\u6548\u7387\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-157428","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157428","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=157428"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157428\/revisions"}],"predecessor-version":[{"id":157429,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157428\/revisions\/157429"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}