{"id":85037,"date":"2024-10-17T12:52:22","date_gmt":"2024-10-17T04:52:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/85037\/"},"modified":"2024-10-17T12:52:23","modified_gmt":"2024-10-17T04:52:23","slug":"ora-12827-%e4%b8%a6%e8%a1%8c%e6%9f%a5%e8%a9%a2%e5%a5%b4%e9%9a%b8%e4%b8%8d%e8%b6%b3-%e8%ab%8b%e6%b1%82%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8c%e5%8f%af%e7%94%a8%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%8cparalle","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/85037\/","title":{"rendered":"ORA-12827: \u4e26\u884c\u67e5\u8a62\u5974\u96b8\u4e0d\u8db3 (\u8acb\u6c42\u5b57\u7b26\u4e32\uff0c\u53ef\u7528\u5b57\u7b26\u4e32\uff0cparallel_min_percent \u5b57\u7b26\u4e32)\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-12827-%e4%b8%a6%e8%a1%8c%e6%9f%a5%e8%a9%a2%e5%a5%b4%e9%9a%b8%e4%b8%8d%e8%b6%b3%e7%9a%84%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e8%88%87%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-BapWarWYGV\">ORA-12827: \u4e26\u884c\u67e5\u8a62\u5974\u96b8\u4e0d\u8db3\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u9032\u884c\u4e26\u884c\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc <code>ORA-12827<\/code>\uff0c\u8a72\u932f\u8aa4\u63d0\u793a\u201c\u4e26\u884c\u67e5\u8a62\u5974\u96b8\u4e0d\u8db3\u201d\u3002\u9019\u901a\u5e38\u8868\u793a\u5728\u57f7\u884c\u4e26\u884c\u67e5\u8a62\u6642\uff0c\u7cfb\u7d71\u7121\u6cd5\u5206\u914d\u8db3\u5920\u7684\u5de5\u4f5c\u9032\u7a0b\u4f86\u6eff\u8db3\u67e5\u8a62\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-BapWarWYGV\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u7576\u57f7\u884c\u4e26\u884c\u67e5\u8a62\u6642\uff0cOracle\u6578\u64da\u5eab\u6703\u6839\u64da\u67e5\u8a62\u7684\u8907\u96dc\u6027\u548c\u6578\u64da\u91cf\u81ea\u52d5\u5206\u914d\u591a\u500b\u5de5\u4f5c\u9032\u7a0b\uff08\u6216\u7a31\u70ba\u201c\u5974\u96b8\u201d\uff09\u3002\u5982\u679c\u7cfb\u7d71\u4e2d\u53ef\u7528\u7684\u5de5\u4f5c\u9032\u7a0b\u6578\u91cf\u4e0d\u8db3\uff0c\u5247\u6703\u51fa\u73fe <code>ORA-12827<\/code> \u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u7cfb\u7d71\u7684CPU\u6216\u5167\u5b58\u8cc7\u6e90\u4e0d\u8db3\uff0c\u53ef\u80fd\u7121\u6cd5\u555f\u52d5\u6240\u9700\u7684\u4e26\u884c\u5de5\u4f5c\u9032\u7a0b\u3002<\/li>\n<li><strong>\u4e26\u884c\u5ea6\u8a2d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u6578\u64da\u5eab\u7684\u4e26\u884c\u5ea6\u8a2d\u7f6e\u53ef\u80fd\u904e\u9ad8\uff0c\u8d85\u51fa\u4e86\u53ef\u7528\u8cc7\u6e90\u7684\u7bc4\u570d\u3002<\/li>\n<li><strong>\u6703\u8a71\u9650\u5236\uff1a<\/strong>\u6578\u64da\u5eab\u7684\u6703\u8a71\u6578\u91cf\u9650\u5236\u53ef\u80fd\u5c0e\u81f4\u7121\u6cd5\u555f\u52d5\u65b0\u7684\u5de5\u4f5c\u9032\u7a0b\u3002<\/li>\n<li><strong>\u4e26\u884c\u67e5\u8a62\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u5982\u679c\u4e26\u884c\u67e5\u8a62\u7684\u914d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u5206\u914d\u4e0d\u5747\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-BapWarWYGV\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe <code>ORA-12827<\/code> \u932f\u8aa4\u6642\uff0c\u4e26\u884c\u67e5\u8a62\u5c07\u7121\u6cd5\u5b8c\u6210\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\u6b64\u5916\uff0c\u9019\u4e5f\u53ef\u80fd\u5f71\u97ff\u5230\u5176\u4ed6\u4f9d\u8cf4\u65bc\u8a72\u67e5\u8a62\u7684\u61c9\u7528\u7a0b\u5e8f\u6216\u5831\u544a\u7684\u751f\u6210\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-BapWarWYGV\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a <code>ORA-12827<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-BapWarWYGV\">1. \u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u7cfb\u7d71\u7684CPU\u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT * FROM v$resource_limit;<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e4%b8%a6%e8%a1%8c%e5%ba%a6%e8%a8%ad%e7%bd%ae-BapWarWYGV\">2. \u8abf\u6574\u4e26\u884c\u5ea6\u8a2d\u7f6e<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u4e26\u884c\u5ea6\u8a2d\u7f6e\u904e\u9ad8\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8abf\u6574\uff1a<\/p>\n<pre><code>ALTER SESSION SET PARALLEL_DEGREE_POLICY = LIMITED;<\/code><\/pre>\n<h3 id=\"3-%e5%a2%9e%e5%8a%a0%e5%8f%af%e7%94%a8%e5%b7%a5%e4%bd%9c%e9%80%b2%e7%a8%8b-BapWarWYGV\">3. \u589e\u52a0\u53ef\u7528\u5de5\u4f5c\u9032\u7a0b<\/h3>\n<p>\u5982\u679c\u7cfb\u7d71\u8cc7\u6e90\u5141\u8a31\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u52a0\u53ef\u7528\u7684\u5de5\u4f5c\u9032\u7a0b\u6578\u91cf\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539\u6578\u64da\u5eab\u7684\u521d\u59cb\u5316\u53c3\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>ALTER SYSTEM SET parallel_max_servers = ;<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%9c%83%e8%a9%b1%e9%99%90%e5%88%b6-BapWarWYGV\">4. \u6aa2\u67e5\u6703\u8a71\u9650\u5236<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6703\u8a71\u9650\u5236\u672a\u9054\u5230\u4e0a\u9650\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u6703\u8a71\u6578\u91cf\uff1a<\/p>\n<pre><code>SELECT COUNT(*) FROM v$session;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-BapWarWYGV\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a <code>ORA-12827<\/code> \u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u9032\u884c\u5373\u6642\u7684\u6545\u969c\u6392\u9664\u3002<\/li>\n<li><strong>\u9060\u7a0b\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\uff1a<\/strong>\u8003\u616e\u4f7f\u7528\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\uff0c\u9019\u4e9b\u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u5c08\u696d\u7684\u6280\u8853\u652f\u6301\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BapWarWYGV\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-12827<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u4e26\u884c\u67e5\u8a62\u5974\u96b8\u4e0d\u8db3\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90\u3001\u8abf\u6574\u4e26\u884c\u5ea6\u8a2d\u7f6e\u3001\u589e\u52a0\u53ef\u7528\u5de5\u4f5c\u9032\u7a0b\u4ee5\u53ca\u6aa2\u67e5\u6703\u8a71\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\uff0c\u8003\u616e\u5c0b\u6c42\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\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\u4f3a\u670d\u5668<\/a> \u4e5f\u662f\u4e00\u500b\u4e0d\u932f\u7684\u9078\u64c7\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-12827 \u932f\u8aa4\uff0c\u4e26\u884c\u67e5\u8a62\u5974\u96b8\u4e0d\u8db3\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\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-85037","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85037","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=85037"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85037\/revisions"}],"predecessor-version":[{"id":85038,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85037\/revisions\/85038"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=85037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=85037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=85037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}