{"id":85045,"date":"2024-10-17T12:56:16","date_gmt":"2024-10-17T04:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/85045\/"},"modified":"2024-10-17T12:56:16","modified_gmt":"2024-10-17T04:56:16","slug":"ora-12850-%e7%84%a1%e6%b3%95%e5%9c%a8%e6%89%80%e6%9c%89%e6%8c%87%e5%ae%9a%e5%af%a6%e4%be%8b%e4%b8%8a%e5%88%86%e9%85%8d%e5%a5%b4%e9%9a%b8%ef%bc%9a%e9%9c%80%e8%a6%81%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/85045\/","title":{"rendered":"ORA-12850: \u7121\u6cd5\u5728\u6240\u6709\u6307\u5b9a\u5be6\u4f8b\u4e0a\u5206\u914d\u5974\u96b8\uff1a\u9700\u8981\u5b57\u7b26\u4e32\uff0c\u5206\u914d\u5b57\u7b26\u4e32\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-12850-%e7%84%a1%e6%b3%95%e5%9c%a8%e6%89%80%e6%9c%89%e6%8c%87%e5%ae%9a%e5%af%a6%e4%be%8b%e4%b8%8a%e5%88%86%e9%85%8d%e5%a5%b4%e9%9a%b8%ef%bc%9a%e9%9c%80%e8%a6%81%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8c-oydNrmZXbw\">ORA-12850: \u7121\u6cd5\u5728\u6240\u6709\u6307\u5b9a\u5be6\u4f8b\u4e0a\u5206\u914d\u5974\u96b8\uff1a\u9700\u8981\u5b57\u7b26\u4e32\uff0c\u5206\u914d\u5b57\u7b26\u4e32\u3002ORACLE \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\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-12850<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u4e26\u884c\u67e5\u8a62\u7684\u914d\u7f6e\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528 Oracle \u7684 Real Application Clusters (RAC) \u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-12850<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-oydNrmZXbw\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p><code>ORA-12850<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f Oracle \u6578\u64da\u5eab\u5728\u5617\u8a66\u5206\u914d\u4e26\u884c\u67e5\u8a62\u7684\u5974\u96b8\u9032\u7a0b\u6642\uff0c\u7121\u6cd5\u5728\u6240\u6709\u6307\u5b9a\u7684\u5be6\u4f8b\u4e0a\u9032\u884c\u5206\u914d\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u6307\u5b9a\u7684\u5be6\u4f8b\u6578\u91cf\u4e0d\u8db3\u4ee5\u6eff\u8db3\u67e5\u8a62\u7684\u4e26\u884c\u5ea6\u8981\u6c42\u3002<\/li>\n<li>\u67d0\u4e9b\u5be6\u4f8b\u53ef\u80fd\u8655\u65bc\u975e\u6d3b\u52d5\u72c0\u614b\u6216\u7121\u6cd5\u8a2a\u554f\u3002<\/li>\n<li>\u7cfb\u7d71\u8cc7\u6e90\uff08\u5982 CPU \u6216\u5167\u5b58\uff09\u4e0d\u8db3\uff0c\u7121\u6cd5\u555f\u52d5\u6240\u9700\u7684\u5974\u96b8\u9032\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%bd%b1%e9%9f%bf-oydNrmZXbw\">\u932f\u8aa4\u5f71\u97ff<\/h2>\n<p>\u7576 <code>ORA-12850<\/code> \u932f\u8aa4\u767c\u751f\u6642\uff0c\u4e26\u884c\u67e5\u8a62\u5c07\u7121\u6cd5\u57f7\u884c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\uff0c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u6642\u9593\u3002\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\uff0c\u9019\u7a2e\u60c5\u6cc1\u53ef\u80fd\u6703\u5c0e\u81f4\u7528\u6236\u9ad4\u9a57\u4e0d\u4f73\uff0c\u751a\u81f3\u5f71\u97ff\u696d\u52d9\u904b\u4f5c\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-oydNrmZXbw\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-12850<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%af%a6%e4%be%8b%e7%8b%80%e6%85%8b-oydNrmZXbw\">1. \u6aa2\u67e5\u5be6\u4f8b\u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u6aa2\u67e5\u6240\u6709\u5be6\u4f8b\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT INSTANCE_NAME, STATUS FROM V$INSTANCE;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u5be6\u4f8b\u90fd\u8655\u65bc <code>OPEN<\/code> \u72c0\u614b\u3002\u5982\u679c\u6709\u4efb\u4f55\u5be6\u4f8b\u8655\u65bc <code>DOWN<\/code> \u6216 <code>STARTING<\/code> \u72c0\u614b\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e4%b8%a6%e8%a1%8c%e5%ba%a6%e8%a8%ad%e7%bd%ae-oydNrmZXbw\">2. \u6aa2\u67e5\u4e26\u884c\u5ea6\u8a2d\u7f6e<\/h3>\n<p>\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u5b83\u5011\u7b26\u5408\u5be6\u969b\u9700\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW PARAMETER PARALLEL;<\/code><\/pre>\n<p>\u6839\u64da\u9700\u8981\u8abf\u6574 <code>PARALLEL_MAX_SERVERS<\/code> \u548c <code>PARALLEL_MIN_SERVERS<\/code> \u7684\u503c\uff0c\u4ee5\u78ba\u4fdd\u6709\u8db3\u5920\u7684\u8cc7\u6e90\u53ef\u7528\u65bc\u4e26\u884c\u67e5\u8a62\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-oydNrmZXbw\">3. \u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<p>\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7d71\u5de5\u5177\uff08\u5982 <code>top<\/code> \u6216 <code>vmstat<\/code>\uff09\u6aa2\u67e5\u7cfb\u7d71\u7684 CPU \u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u5982\u679c\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u589e\u52a0\u786c\u4ef6\u8cc7\u6e90\u6216\u512a\u5316\u73fe\u6709\u67e5\u8a62\u4ee5\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\u3002<\/p>\n<h3 id=\"4-%e6%b8%9b%e5%b0%91%e4%b8%a6%e8%a1%8c%e5%ba%a6-oydNrmZXbw\">4. \u6e1b\u5c11\u4e26\u884c\u5ea6<\/h3>\n<p>\u5982\u679c\u7121\u6cd5\u589e\u52a0\u8cc7\u6e90\uff0c\u8003\u616e\u5728\u67e5\u8a62\u4e2d\u6e1b\u5c11\u4e26\u884c\u5ea6\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u8a2d\u7f6e\u67e5\u8a62\u7684\u4e26\u884c\u5ea6\uff1a<\/p>\n<pre><code>ALTER SESSION SET PARALLEL_DEGREE_POLICY = LIMITED;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u9650\u5236\u67e5\u8a62\u7684\u4e26\u884c\u5ea6\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u8cc7\u6e90\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-oydNrmZXbw\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c<code>ORA-12850<\/code> \u932f\u8aa4\u901a\u5e38\u8207 Oracle \u6578\u64da\u5eab\u7684\u4e26\u884c\u67e5\u8a62\u914d\u7f6e\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u5be6\u4f8b\u72c0\u614b\u3001\u4e26\u884c\u5ea6\u8a2d\u7f6e\u548c\u7cfb\u7d71\u8cc7\u6e90\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\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\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-12850 \u932f\u8aa4\uff1a\u7121\u6cd5\u5728\u6240\u6709\u6307\u5b9a\u5be6\u4f8b\u4e0a\u5206\u914d\u5974\u96b8\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u6307\u5357\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-85045","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85045","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=85045"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85045\/revisions"}],"predecessor-version":[{"id":85046,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85045\/revisions\/85046"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=85045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=85045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=85045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}