{"id":85041,"date":"2024-10-17T12:54:18","date_gmt":"2024-10-17T04:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/85041\/"},"modified":"2024-10-17T12:54:18","modified_gmt":"2024-10-17T04:54:18","slug":"ora-12838-%e5%9c%a8%e4%b8%a6%e8%a1%8c%e4%bf%ae%e6%94%b9%e5%be%8c%e7%84%a1%e6%b3%95%e8%ae%80%e5%8f%96-%e4%bf%ae%e6%94%b9%e5%b0%8d%e8%b1%a1%e3%80%82oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/85041\/","title":{"rendered":"ORA-12838: \u5728\u4e26\u884c\u4fee\u6539\u5f8c\u7121\u6cd5\u8b80\u53d6\/\u4fee\u6539\u5c0d\u8c61\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-12838-%e5%9c%a8%e4%b8%a6%e8%a1%8c%e4%bf%ae%e6%94%b9%e5%be%8c%e7%84%a1%e6%b3%95%e8%ae%80%e5%8f%96-%e4%bf%ae%e6%94%b9%e5%b0%8d%e8%b1%a1-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae-HlzIfgTHct\">ORA-12838: \u5728\u4e26\u884c\u4fee\u6539\u5f8c\u7121\u6cd5\u8b80\u53d6\/\u4fee\u6539\u5c0d\u8c61 &#8211; ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-12838<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4e26\u884c\u8655\u7406\u7684\u74b0\u5883\u4e2d\uff0c\u7576\u4e00\u500b\u6703\u8a71\u5728\u4fee\u6539\u6578\u64da\u7684\u540c\u6642\uff0c\u53e6\u4e00\u500b\u6703\u8a71\u8a66\u5716\u8b80\u53d6\u6216\u4fee\u6539\u540c\u4e00\u5c0d\u8c61\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-12838<\/code> \u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"ora-12838-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-HlzIfgTHct\">ORA-12838 \u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u7576 Oracle \u6578\u64da\u5eab\u5728\u4e26\u884c\u6a21\u5f0f\u4e0b\u904b\u884c\u6642\uff0c\u6703\u8a71\u4e4b\u9593\u7684\u6578\u64da\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<code>ORA-12838<\/code> \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u4e00\u500b\u6703\u8a71\u6b63\u5728\u9032\u884c DML\uff08\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff09\u64cd\u4f5c\uff0c\u5982 INSERT\u3001UPDATE \u6216 DELETE\u3002<\/li>\n<li>\u540c\u6642\uff0c\u53e6\u4e00\u500b\u6703\u8a71\u5617\u8a66\u8b80\u53d6\u6216\u4fee\u6539\u540c\u4e00\u6578\u64da\u5c0d\u8c61\u3002<\/li>\n<li>\u6578\u64da\u5eab\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\u4e0d\u7576\uff0c\u5c0e\u81f4\u8cc7\u6e90\u7af6\u722d\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cOracle \u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u6703\u62d2\u7d55\u7b2c\u4e8c\u500b\u6703\u8a71\u7684\u8acb\u6c42\uff0c\u4e26\u8fd4\u56de <code>ORA-12838<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-HlzIfgTHct\">\u5f71\u97ff<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u4e2d\u65b7\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u6703\u983b\u7e41\u51fa\u73fe\uff0c\u9032\u800c\u5f71\u97ff\u696d\u52d9\u904b\u4f5c\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-HlzIfgTHct\">\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u89e3\u6c7a <code>ORA-12838<\/code> \u932f\u8aa4\u7684\u65b9\u6cd5\u6709\u5e7e\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6545\u969c\u6392\u9664\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%b8%a6%e8%a1%8c%e5%ba%a6%e8%a8%ad%e7%bd%ae-HlzIfgTHct\">1. \u6aa2\u67e5\u4e26\u884c\u5ea6\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT value FROM v$parameter WHERE name = 'parallel_max_servers';<\/code><\/pre>\n<p>\u5982\u679c\u4e26\u884c\u5ea6\u8a2d\u7f6e\u904e\u9ad8\uff0c\u8003\u616e\u964d\u4f4e\u4e26\u884c\u5ea6\uff0c\u6216\u8005\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97%e5%8c%96%e8%ae%80%e5%8f%96-HlzIfgTHct\">2. \u4f7f\u7528\u5e8f\u5217\u5316\u8b80\u53d6<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5e8f\u5217\u5316\u8b80\u53d6\u4f86\u907f\u514d\u4e26\u884c\u4fee\u6539\u7684\u554f\u984c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e <code>READ ONLY<\/code> \u6216 <code>SERIALIZABLE<\/code> \u9694\u96e2\u7d1a\u5225\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;<\/code><\/pre>\n<h3 id=\"3-%e5%84%aa%e5%8c%96-dml-%e6%93%8d%e4%bd%9c-HlzIfgTHct\">3. \u512a\u5316 DML \u64cd\u4f5c<\/h3>\n<p>\u512a\u5316 DML \u64cd\u4f5c\u7684\u57f7\u884c\u6642\u9593\uff0c\u6e1b\u5c11\u9396\u5b9a\u7684\u6642\u9593\u7a97\u53e3\u3002\u53ef\u4ee5\u8003\u616e\u5c07\u5927\u6279\u91cf\u7684 DML \u64cd\u4f5c\u5206\u89e3\u70ba\u5c0f\u6279\u91cf\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u964d\u4f4e\u4e26\u884c\u885d\u7a81\u7684\u6a5f\u6703\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e8%a1%8c%e7%b4%9a%e9%8e%96-HlzIfgTHct\">4. \u4f7f\u7528\u884c\u7d1a\u9396<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u884c\u7d1a\u9396\u800c\u975e\u8868\u7d1a\u9396\u53ef\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7684\u7bc4\u570d\uff0c\u5f9e\u800c\u964d\u4f4e <code>ORA-12838<\/code> \u932f\u8aa4\u7684\u767c\u751f\u6982\u7387\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-HlzIfgTHct\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u9060\u7a0b\u8655\u7406\u7684\u60c5\u6cc1\u4e0b\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u6703\u8a71\u90fd\u9075\u5faa\u76f8\u540c\u7684\u6578\u64da\u4e00\u81f4\u6027\u898f\u5247\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5e03\u5f0f\u4e8b\u52d9\u4f86\u7ba1\u7406\u591a\u500b\u6703\u8a71\u4e4b\u9593\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HlzIfgTHct\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0c<code>ORA-12838<\/code> \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u5728\u4e26\u884c\u8655\u7406\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\u3002\u901a\u904e\u6aa2\u67e5\u4e26\u884c\u5ea6\u8a2d\u7f6e\u3001\u512a\u5316 DML \u64cd\u4f5c\u4ee5\u53ca\u4f7f\u7528\u9069\u7576\u7684\u9396\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6b64\u932f\u8aa4\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-12838 \u932f\u8aa4\uff1a\u5728\u4e26\u884c\u4fee\u6539\u5f8c\u7121\u6cd5\u8b80\u53d6\/\u4fee\u6539\u5c0d\u8c61\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\u6307\u5357\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u7cfb\u7d71\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-85041","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85041","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=85041"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85041\/revisions"}],"predecessor-version":[{"id":85042,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85041\/revisions\/85042"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=85041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=85041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=85041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}