{"id":95184,"date":"2024-10-19T22:56:17","date_gmt":"2024-10-19T14:56:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95184\/"},"modified":"2024-10-19T22:56:17","modified_gmt":"2024-10-19T14:56:17","slug":"oracle%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%ae%a1%e7%90%86%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95184\/","title":{"rendered":"ORACLE\u56de\u6efe\u6bb5\u7ba1\u7406\u554f\u984c\u7684\u89e3\u6c7a"},"content":{"rendered":"<h1 id=\"oracle%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%ae%a1%e7%90%86%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba-kdmOClwKWL\">ORACLE\u56de\u6efe\u6bb5\u7ba1\u7406\u554f\u984c\u7684\u89e3\u6c7a<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u56de\u6efe\u6bb5\uff08Rollback Segment\uff09\u662f\u7528\u4f86\u7ba1\u7406\u4e8b\u52d9\u7684\u95dc\u9375\u7d44\u4ef6\u3002\u5b83\u5011\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u4e8b\u52d9\u5931\u6557\u6216\u7cfb\u7d71\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\u3002\u7136\u800c\uff0c\u56de\u6efe\u6bb5\u7684\u7ba1\u7406\u554f\u984c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u6578\u64da\u640d\u58de\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u56de\u6efe\u6bb5\u7ba1\u7406\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-kdmOClwKWL\">\u56de\u6efe\u6bb5\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u56de\u6efe\u6bb5\u662fOracle\u6578\u64da\u5eab\u4e2d\u7528\u4f86\u5b58\u5132\u672a\u63d0\u4ea4\u4e8b\u52d9\u7684\u6578\u64da\u7684\u5340\u57df\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u9032\u884c\u4fee\u6539\u6642\uff0cOracle\u6703\u5728\u56de\u6efe\u6bb5\u4e2d\u8a18\u9304\u9019\u4e9b\u4fee\u6539\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u80fd\u5920\u6062\u5fa9\u5230\u4e8b\u52d9\u958b\u59cb\u4e4b\u524d\u7684\u72c0\u614b\u3002\u9019\u4e00\u904e\u7a0b\u5c0d\u65bc\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%ae%a1%e7%90%86%e5%95%8f%e9%a1%8c-kdmOClwKWL\">\u5e38\u898b\u7684\u56de\u6efe\u6bb5\u7ba1\u7406\u554f\u984c<\/h2>\n<ul>\n<li><strong>\u56de\u6efe\u6bb5\u7a7a\u9593\u4e0d\u8db3\uff1a<\/strong>\u7576\u56de\u6efe\u6bb5\u7684\u7a7a\u9593\u4e0d\u8db3\u6642\uff0c\u65b0\u7684\u4e8b\u52d9\u5c07\u7121\u6cd5\u7372\u5f97\u6240\u9700\u7684\u7a7a\u9593\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4e8b\u52d9\u5931\u6557\u3002<\/li>\n<li><strong>\u56de\u6efe\u6bb5\u904e\u5ea6\u64f4\u5c55\uff1a<\/strong>\u5982\u679c\u56de\u6efe\u6bb5\u7d93\u5e38\u9700\u8981\u64f4\u5c55\uff0c\u9019\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u70ba\u64f4\u5c55\u64cd\u4f5c\u9700\u8981\u984d\u5916\u7684I\/O\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u56de\u6efe\u6bb5\u640d\u58de\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u56de\u6efe\u6bb5\u53ef\u80fd\u6703\u640d\u58de\uff0c\u9019\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7121\u6cd5\u6062\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-kdmOClwKWL\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%9a%84%e7%a9%ba%e9%96%93-kdmOClwKWL\">1. \u589e\u52a0\u56de\u6efe\u6bb5\u7684\u7a7a\u9593<\/h3>\n<p>\u70ba\u4e86\u89e3\u6c7a\u56de\u6efe\u6bb5\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u589e\u52a0\u7a7a\u9593\uff1a<\/p>\n<pre><code>ALTER TABLESPACE your_tablespace_name ADD DATAFILE 'your_datafile_name.dbf' SIZE 100M;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u70ba\u56de\u6efe\u6bb5\u63d0\u4f9b\u66f4\u591a\u7684\u7a7a\u9593\uff0c\u5f9e\u800c\u652f\u6301\u66f4\u591a\u7684\u4e8b\u52d9\u3002<\/p>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e7%9b%a3%e6%8e%a7%e5%92%8c%e7%b6%ad%e8%ad%b7-kdmOClwKWL\">2. \u5b9a\u671f\u76e3\u63a7\u548c\u7dad\u8b77<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u56de\u6efe\u6bb5\u7684\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u56de\u6efe\u6bb5\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT a.segment_name, a.tablespace_name, b.bytes \/ 1024 \/ 1024 AS size_mb\nFROM dba_segments a, dba_data_files b\nWHERE a.tablespace_name = b.tablespace_name\nAND a.segment_type = 'ROLLBACK';<\/code><\/pre>\n<p>\u901a\u904e\u9019\u4e9b\u6578\u64da\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e8%87%aa%e5%8b%95%e5%9b%9e%e6%bb%be%e6%ae%b5%e7%ae%a1%e7%90%86-kdmOClwKWL\">3. \u4f7f\u7528\u81ea\u52d5\u56de\u6efe\u6bb5\u7ba1\u7406<\/h3>\n<p>Oracle\u63d0\u4f9b\u4e86\u81ea\u52d5\u56de\u6efe\u6bb5\u7ba1\u7406\u7684\u529f\u80fd\uff0c\u9019\u53ef\u4ee5\u6e1b\u5c11\u624b\u52d5\u7ba1\u7406\u7684\u8ca0\u64d4\u3002\u555f\u7528\u81ea\u52d5\u56de\u6efe\u6bb5\u7ba1\u7406\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>ALTER DATABASE ENABLE AUTOEXTEND FOR DATAFILE 'your_datafile_name.dbf';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u64f4\u5c55\u56de\u6efe\u6bb5\u7684\u7a7a\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e4%bf%ae%e5%be%a9%e6%90%8d%e5%a3%9e%e7%9a%84%e5%9b%9e%e6%bb%be%e6%ae%b5-kdmOClwKWL\">4. \u4fee\u5fa9\u640d\u58de\u7684\u56de\u6efe\u6bb5<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u56de\u6efe\u6bb5\u640d\u58de\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u5fa9\uff1a<\/p>\n<pre><code>ALTER ROLLBACK SEGMENT your_rollback_segment_name ONLINE;<\/code><\/pre>\n<p>\u9019\u5c07\u4f7f\u640d\u58de\u7684\u56de\u6efe\u6bb5\u91cd\u65b0\u4e0a\u7dda\uff0c\u6062\u5fa9\u5176\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kdmOClwKWL\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u56de\u6efe\u6bb5\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u589e\u52a0\u7a7a\u9593\u3001\u5b9a\u671f\u76e3\u63a7\u3001\u4f7f\u7528\u81ea\u52d5\u7ba1\u7406\u529f\u80fd\u4ee5\u53ca\u4fee\u5fa9\u640d\u58de\u7684\u56de\u6efe\u6bb5\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u56de\u6efe\u6bb5\u7ba1\u7406\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u904b\u884c\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORACLE\u56de\u6efe\u6bb5\u7ba1\u7406\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u8207\u6062\u5fa9\u80fd\u529b\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-95184","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95184","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=95184"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95184\/revisions"}],"predecessor-version":[{"id":95185,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95184\/revisions\/95185"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}