{"id":2032,"date":"2024-06-18T14:33:52","date_gmt":"2024-06-18T06:33:52","guid":{"rendered":"http:\/\/www.821121.com\/?p=2032"},"modified":"2024-12-27T15:11:50","modified_gmt":"2024-12-27T07:11:50","slug":"ora-12850-%e6%8a%a5%e9%94%99%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=2032","title":{"rendered":"ORA-12850 \u62a5\u9519\u5904\u7406\u5206\u4eab"},"content":{"rendered":"<h1>\u4e8b\u4ef6\u8bb0\u5f55<\/h1>\n<p>\u8fd1\u671f\u53d1\u73b0\u5de1\u68c012C\u4ee5\u4e0a\u6570\u636e\u5e93\u65f6\uff0c\u90e8\u5206\u8bed\u53e5\u4f1a\u51fa\u73b0ORA-12850\u7684\u62a5\u9519\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-sql\">ERROR at line 9:\nORA-12850: Could not allocate slaves on all specified instances: 2 needed, 0 allocated<\/code><\/pre>\n<p>\u591a\u6570\u5728\u67e5\u8be2CDB\u89c6\u56fe\u65f6\u89e6\u53d1\uff0c\u5b98\u65b9\u6587\u6863\u6709\u7c7b\u4f3c\u6848\u4f8b\uff0c\u5904\u7406\u65b9\u5f0f\u4e3a\u8c03\u6574\u6307\u5b9a\u53c2\u6570\uff0c\u5b98\u65b9\u6587\u6863\uff1a(Doc ID 1945816.1)<\/p>\n<pre><code class=\"language-sql\">alter system set &quot;_optimizer_adaptive_plans&quot;=false;<\/code><\/pre>\n<p>\u4f46\u8be5\u53c2\u6570\u5df2\u4e8e12.2\u4ee5\u540e\u653e\u5f03\u4e86\uff0c\u7ecf\u672c\u4eba\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u907f\u514d\u8de8\u8282\u70b9\u8c03\u5ea6\u5e76\u884c\u6765\u89c4\u907f<\/p>\n<pre><code class=\"language-sql\">alter system set parallel_force_local=true;<\/code><\/pre>\n<p>\u8be5\u53c2\u6570\u9650\u5236\u5e76\u884c\u7684slave\u8fdb\u7a0b\u5728\u53d1\u8d77\u5e76\u884cSQL\u4f1a\u8bdd\u6240\u5728\u7684\u8282\u70b9\u8c03\u5ea6\uff0c\u5efa\u5e93\u540e\u8be5\u53c2\u6570\u4e5f\u662f\u5efa\u8bae\u5f00\u542f\u7684\uff0c\u5f71\u54cd\u8f83\u5c0f\uff0c\u4eb2\u6d4b\u6709\u6548\uff0c\u7279\u6b64\u5206\u4eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8b\u4ef6\u8bb0\u5f55 \u8fd1\u671f\u53d1\u73b0\u5de1\u68c012C\u4ee5\u4e0a\u6570\u636e\u5e93\u65f6\uff0c\u90e8\u5206\u8bed\u53e5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,49],"tags":[],"class_list":["post-2032","post","type-post","status-publish","format-standard","hentry","category-oracle-12c","category-oracle-19c"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2032"}],"version-history":[{"count":4,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2032\/revisions"}],"predecessor-version":[{"id":2041,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/2032\/revisions\/2041"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2032"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}