{"id":89938,"date":"2024-10-18T14:05:21","date_gmt":"2024-10-18T06:05:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/89938\/"},"modified":"2024-10-18T14:05:24","modified_gmt":"2024-10-18T06:05:24","slug":"ora-27079-unable-to-set-async-io-limit-oracle%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/89938\/","title":{"rendered":"ORA-27079: unable to set async IO limit ORACLE\u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-27079-unable-to-set-async-io-limit-oracle%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ZBDpnRacjQ\">ORA-27079: Unable to Set Async IO Limit ORACLE\u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662fORA-27079\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u7570\u6b65I\/O\uff08Asynchronous I\/O\uff09\u6709\u95dc\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-27079\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-27079%e7%9a%84%e5%8e%9f%e5%9b%a0-ZBDpnRacjQ\">ORA-27079\u7684\u539f\u56e0<\/h2>\n<p>ORA-27079\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7d71\u4e0d\u652f\u6301\u7570\u6b65I\/O\u3002<\/li>\n<li>Oracle\u6578\u64da\u5eab\u7684\u914d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5c0e\u81f4\u7121\u6cd5\u8a2d\u7f6e\u7570\u6b65I\/O\u7684\u9650\u5236\u3002<\/li>\n<li>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff0c\u7121\u6cd5\u6eff\u8db3\u7570\u6b65I\/O\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u539f\u56e0\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u5728\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\u51fa\u73fe\u6027\u80fd\u74f6\u9838\uff0c\u9032\u800c\u5f71\u97ff\u6574\u9ad4\u7684\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e7%95%b0%e6%ad%a5i-o%e7%9a%84%e6%94%af%e6%8c%81-ZBDpnRacjQ\">\u5982\u4f55\u6aa2\u67e5\u7570\u6b65I\/O\u7684\u652f\u6301<\/h2>\n<p>\u5728\u89e3\u6c7aORA-27079\u932f\u8aa4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u64cd\u4f5c\u7cfb\u7d71\u662f\u5426\u652f\u6301\u7570\u6b65I\/O\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6aa2\u67e5\uff1a<\/p>\n<pre><code>1. \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u64cd\u4f5c\u7cfb\u7d71\u7248\u672c\uff1a\n   uname -a\n\n2. \u78ba\u8a8d\u64cd\u4f5c\u7cfb\u7d71\u7684\u6587\u6a94\uff0c\u67e5\u770b\u662f\u5426\u652f\u6301\u7570\u6b65I\/O\u3002\n\n3. \u6aa2\u67e5Oracle\u7684\u53c3\u6578\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u7570\u6b65I\/O\u5df2\u555f\u7528\u3002\n<\/code><\/pre>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-ZBDpnRacjQ\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u5982\u679c\u78ba\u5b9a\u64cd\u4f5c\u7cfb\u7d71\u652f\u6301\u7570\u6b65I\/O\uff0c\u4f46\u4ecd\u7136\u9047\u5230ORA-27079\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5oracle%e5%8f%83%e6%95%b8%e8%a8%ad%e7%bd%ae-ZBDpnRacjQ\">1. \u6aa2\u67e5Oracle\u53c3\u6578\u8a2d\u7f6e<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u6aa2\u67e5\u7570\u6b65I\/O\u7684\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT * FROM v$parameter WHERE name LIKE '%async%';\n<\/code><\/pre>\n<p>\u78ba\u4fdd\u76f8\u95dc\u53c3\u6578\u7684\u503c\u6b63\u78ba\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u4fee\u6539\uff1a<\/p>\n<pre><code>ALTER SYSTEM SET  =  SCOPE=BOTH;\n<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%e7%9a%84i-o%e9%99%90%e5%88%b6-ZBDpnRacjQ\">2. \u6aa2\u67e5\u64cd\u4f5c\u7cfb\u7d71\u7684I\/O\u9650\u5236<\/h3>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5I\/O\u9650\u5236\uff1a<\/p>\n<pre><code>ulimit -a\n<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u7570\u6b65I\/O\u7684\u9650\u5236\u904e\u4f4e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u8abf\u6574\uff1a<\/p>\n<pre><code>ulimit -n \n<\/code><\/pre>\n<h3 id=\"3-%e9%87%8d%e5%95%9foracle%e6%95%b8%e6%93%9a%e5%ba%ab-ZBDpnRacjQ\">3. \u91cd\u555fOracle\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u9032\u884c\u4e0a\u8ff0\u4fee\u6539\u5f8c\uff0c\u5efa\u8b70\u91cd\u555fOracle\u6578\u64da\u5eab\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u91cd\u555f\uff1a<\/p>\n<pre><code>SHUTDOWN IMMEDIATE;\nSTARTUP;\n<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e8%80%83%e9%87%8f-ZBDpnRacjQ\">\u9060\u7a0b\u8655\u7406\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7aORA-27079\u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u9060\u7a0b\u767b\u9304\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u4e26\u57f7\u884c\u4e0a\u8ff0\u6aa2\u67e5\u548c\u4fee\u6539\u6b65\u9a5f\u3002\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u8acb\u78ba\u4fdd\u9075\u5faa\u5b89\u5168\u6700\u4f73\u5be6\u8e10\uff0c\u4e26\u5728\u5fc5\u8981\u6642\u5099\u4efd\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZBDpnRacjQ\">\u7e3d\u7d50<\/h2>\n<p>ORA-27079\u932f\u8aa4\u53ef\u80fd\u6703\u5c0dOracle\u6578\u64da\u5eab\u7684\u6027\u80fd\u9020\u6210\u5f71\u97ff\uff0c\u4f46\u901a\u904e\u6aa2\u67e5\u64cd\u4f5c\u7cfb\u7d71\u7684\u652f\u6301\u3001Oracle\u53c3\u6578\u8a2d\u7f6e\u4ee5\u53caI\/O\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u7a69\u5b9a\u4e14\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to troubleshoot and fix the ORA-27079 error in Oracle, which indicates an inability to set async IO limits, with remote handling solutions.<\/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-89938","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89938","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=89938"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89938\/revisions"}],"predecessor-version":[{"id":89939,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89938\/revisions\/89939"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=89938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=89938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=89938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}