{"id":95678,"date":"2024-10-20T03:04:17","date_gmt":"2024-10-19T19:04:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95678\/"},"modified":"2024-10-20T03:04:18","modified_gmt":"2024-10-19T19:04:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%b1%e4%ba%ab%e5%85%a7%e5%ad%98%e5%88%86%e9%85%8d%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95678\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u554f\u984c\u7684\u89e3\u6c7a"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%b1%e4%ba%ab%e5%85%a7%e5%ad%98%e5%88%86%e9%85%8d%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba-gQTTfuvkSF\">Oracle\u6578\u64da\u5eab\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u554f\u984c\u7684\u89e3\u6c7a<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u8a31\u591a\u7528\u6236\u53ef\u80fd\u6703\u9047\u5230\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u7684\u554f\u984c\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u7121\u6cd5\u555f\u52d5\u6578\u64da\u5eab\u5be6\u4f8b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u8a72\u554f\u984c\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406Oracle\u6578\u64da\u5eab\u7684\u5167\u5b58\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e5%85%b1%e4%ba%ab%e5%85%a7%e5%ad%98%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-gQTTfuvkSF\">\u5171\u4eab\u5167\u5b58\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u4f7f\u7528\u5171\u4eab\u5167\u5b58\u4f86\u63d0\u9ad8\u6027\u80fd\uff0c\u9019\u662f\u56e0\u70ba\u5171\u4eab\u5167\u5b58\u5141\u8a31\u591a\u500b\u9032\u7a0b\u540c\u6642\u8a2a\u554f\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u78c1\u789fI\/O\u7684\u9700\u6c42\u3002\u5171\u4eab\u5167\u5b58\u7684\u4e3b\u8981\u7d44\u6210\u90e8\u5206\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>SGA\uff08System Global Area\uff09<\/strong>\uff1a\u9019\u662f\u4e00\u500b\u5171\u4eab\u5167\u5b58\u5340\u57df\uff0c\u5305\u542b\u4e86\u6578\u64da\u5eab\u7684\u7de9\u5b58\u3001\u57f7\u884c\u8a08\u5283\u548c\u5176\u4ed6\u91cd\u8981\u4fe1\u606f\u3002<\/li>\n<li><strong>PGA\uff08Program Global Area\uff09<\/strong>\uff1a\u9019\u662f\u6bcf\u500b\u7528\u6236\u9032\u7a0b\u7684\u79c1\u6709\u5167\u5b58\u5340\u57df\uff0c\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u7528\u6236\u6703\u8a71\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%85%b1%e4%ba%ab%e5%85%a7%e5%ad%98%e5%88%86%e9%85%8d%e4%b8%8d%e8%b6%b3%e7%9a%84%e5%8e%9f%e5%9b%a0-gQTTfuvkSF\">\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u7684\u539f\u56e0<\/h2>\n<p>\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u7684\u554f\u984c\u901a\u5e38\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>SGA\u914d\u7f6e\u4e0d\u8db3<\/strong>\uff1a\u5982\u679cSGA\u7684\u5927\u5c0f\u8a2d\u7f6e\u904e\u5c0f\uff0c\u5c07\u7121\u6cd5\u6eff\u8db3\u6578\u64da\u5eab\u7684\u9700\u6c42\uff0c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u7cfb\u7d71\u9650\u5236<\/strong>\uff1a\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7d71\u5c0d\u5171\u4eab\u5167\u5b58\u7684\u5927\u5c0f\u6709\u9810\u8a2d\u9650\u5236\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ffOracle\u7684\u904b\u884c\u3002<\/li>\n<li><strong>\u591a\u500b\u5be6\u4f8b\u7af6\u722d\u8cc7\u6e90<\/strong>\uff1a\u5728\u540c\u4e00\u53f0\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u591a\u500bOracle\u5be6\u4f8b\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u8cc7\u6e90\u7af6\u722d\uff0c\u5c0e\u81f4\u5171\u4eab\u5167\u5b58\u4e0d\u8db3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-gQTTfuvkSF\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%aa%bf%e6%95%b4sga%e5%a4%a7%e5%b0%8f-gQTTfuvkSF\">1. \u8abf\u6574SGA\u5927\u5c0f<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u4fee\u6539Oracle\u7684\u521d\u59cb\u5316\u53c3\u6578\u4f86\u8abf\u6574SGA\u7684\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u8abf\u6574SGA\u5927\u5c0f\u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>ALTER SYSTEM SET SGA_TARGET=2G SCOPE=BOTH;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07SGA\u7684\u5927\u5c0f\u8a2d\u7f6e\u70ba2GB\u3002\u6839\u64da\u5be6\u969b\u9700\u6c42\uff0c\u53ef\u4ee5\u8abf\u6574\u9019\u500b\u503c\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%85%b1%e4%ba%ab%e5%85%a7%e5%ad%98%e8%a8%ad%e7%bd%ae-gQTTfuvkSF\">2. \u6aa2\u67e5\u64cd\u4f5c\u7cfb\u7d71\u7684\u5171\u4eab\u5167\u5b58\u8a2d\u7f6e<\/h3>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7576\u524d\u7684\u5171\u4eab\u5167\u5b58\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>ipcs -lm<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u5171\u4eab\u5167\u5b58\u7684\u9650\u5236\u904e\u4f4e\uff0c\u53ef\u4ee5\u901a\u904e\u4fee\u6539\/etc\/sysctl.conf\u6587\u4ef6\u4f86\u589e\u52a0\u5171\u4eab\u5167\u5b58\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>kernel.shmmax = 4294967296<\/code><\/pre>\n<p>\u9019\u5c07\u5171\u4eab\u5167\u5b58\u7684\u6700\u5927\u5927\u5c0f\u8a2d\u7f6e\u70ba4GB\u3002\u4fee\u6539\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>sysctl -p<\/code><\/pre>\n<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-gQTTfuvkSF\">3. \u512a\u5316\u6578\u64da\u5eab\u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u5728\u540c\u4e00\u53f0\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u591a\u500bOracle\u5be6\u4f8b\uff0c\u5efa\u8b70\u5c0d\u6bcf\u500b\u5be6\u4f8b\u7684SGA\u9032\u884c\u5408\u7406\u914d\u7f6e\uff0c\u4ee5\u907f\u514d\u8cc7\u6e90\u7af6\u722d\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u7684SGA\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT * FROM v$sga;<\/code><\/pre>\n<p>\u6839\u64da\u67e5\u8a62\u7d50\u679c\uff0c\u8abf\u6574\u5404\u500b\u5be6\u4f8b\u7684SGA\u5927\u5c0f\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u500b\u5be6\u4f8b\u90fd\u6709\u8db3\u5920\u7684\u5167\u5b58\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gQTTfuvkSF\">\u7e3d\u7d50<\/h2>\n<p>\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u662fOracle\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u904e\u8abf\u6574SGA\u5927\u5c0f\u3001\u6aa2\u67e5\u64cd\u4f5c\u7cfb\u7d71\u7684\u5171\u4eab\u5167\u5b58\u8a2d\u7f6e\u4ee5\u53ca\u512a\u5316\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aOracle\u6578\u64da\u5eab\u5171\u4eab\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u554f\u984c\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u6d41\u66a2\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-95678","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95678","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=95678"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95678\/revisions"}],"predecessor-version":[{"id":95679,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95678\/revisions\/95679"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}