{"id":199970,"date":"2025-05-06T10:49:45","date_gmt":"2025-05-06T02:49:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199970\/"},"modified":"2025-05-06T10:49:45","modified_gmt":"2025-05-06T02:49:45","slug":"%e5%b8%b8%e8%a7%81%e7%9a%84-oracle-%e6%97%a5%e5%bf%97%e7%b1%bb%e5%9e%8b%e5%92%8c%e8%ae%be%e7%bd%ae%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199970\/","title":{"rendered":"\u5e38\u89c1\u7684 Oracle \u65e5\u5fd7\u7c7b\u578b\u548c\u8bbe\u7f6e\u6307\u5357"},"content":{"rendered":"

<\/b> <\/p>\n

\u5e38\u89c1\u7684 Oracle \u65e5\u5fd7\u7c7b\u578b\u548c\u8bbe\u7f6e\u6307\u5357<\/h1>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300a\u5e38\u89c1\u7684 Oracle \u65e5\u5fd7\u7c7b\u578b\u548c\u8bbe\u7f6e\u6307\u5357\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

Oracle \u4e2d\u5e38\u89c1\u7684\u65e5\u5fd7\u7c7b\u578b\u53ca\u914d\u7f6e\u65b9\u6cd5<\/h3>\n

Oracle \u6570\u636e\u5e93\u662f\u4e1a\u754c\u9886\u5148\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e4b\u4e00\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65e5\u5fd7\u7c7b\u578b\u6765\u8bb0\u5f55\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u548c\u6027\u80fd\u4fe1\u606f\u3002\u5728\u5b9e\u9645\u7684\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u4f5c\u4e2d\uff0c\u4e86\u89e3\u5e76\u914d\u7f6e\u597d\u8fd9\u4e9b\u65e5\u5fd7\u7c7b\u578b\u5bf9\u4e8e\u76d1\u63a7\u548c\u4f18\u5316\u6570\u636e\u5e93\u975e\u5e38\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd Oracle \u4e2d\u5e38\u89c1\u7684\u65e5\u5fd7\u7c7b\u578b\u53ca\u914d\u7f6e\u65b9\u6cd5\uff0c\u540c\u65f6\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002<\/p>\n

1. Redo \u65e5\u5fd7<\/h4>\n

Redo \u65e5\u5fd7\u662f Oracle \u4e2d\u6700\u5e38\u89c1\u7684\u65e5\u5fd7\u7c7b\u578b\u4e4b\u4e00\uff0c\u5b83\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u4e2d\u53d1\u751f\u7684\u6240\u6709\u53d8\u66f4\u64cd\u4f5c\uff0c\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\u7b49\u3002\u914d\u7f6e Redo \u65e5\u5fd7\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u53ef\u9760\u6027\u548c\u6062\u590d\u80fd\u529b\u3002\u4ee5\u4e0b\u662f\u8bbe\u7f6e Redo \u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u548c\u6570\u91cf\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

ALTER DATABASE ADD LOGFILE GROUP 1 ('\/u01\/app\/oracle\/oradata\/log1a.rdo', '\/u02\/app\/oracle\/oradata\/log1b.rdo') SIZE 100M;\nALTER DATABASE ADD LOGFILE GROUP 2 ('\/u01\/app\/oracle\/oradata\/log2a.rdo', '\/u02\/app\/oracle\/oradata\/log2b.rdo') SIZE 100M;<\/pre>\n
2. \u5f52\u6863\u65e5\u5fd7<\/h4>\n
\u5f52\u6863\u65e5\u5fd7\u662f\u5c06 Redo \u65e5\u5fd7\u5f52\u6863\u5230\u6307\u5b9a\u7684\u4f4d\u7f6e\uff0c\u7528\u4e8e\u6570\u636e\u5e93\u7684\u5907\u4efd\u548c\u6062\u590d\u3002\u914d\u7f6e\u5f52\u6863\u65e5\u5fd7\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u5728\u6545\u969c\u65f6\u80fd\u591f\u5feb\u901f\u6062\u590d\u5230\u4e00\u81f4\u72b6\u6001\u3002\u4ee5\u4e0b\u662f\u914d\u7f6e\u5f52\u6863\u65e5\u5fd7\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
ALTER SYSTEM SET LOG_ARCHIVE_DEST_1='LOCATION=\/u01\/app\/oracle\/archivelog';\nALTER SYSTEM SET LOG_ARCHIVE_FORMAT='%t_%s_%r.arc';\nALTER DATABASE ARCHIVELOG;<\/pre>\n
3. \u76d1\u63a7\u65e5\u5fd7<\/h4>\n
Oracle \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u76d1\u63a7\u6570\u636e\u5e93\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u6bd4\u5982 AWR\uff08Automatic Workload Repository\uff09\u3001ADDM\uff08Automatic Database Diagnostic Monitor\uff09\u7b49\u3002\u914d\u7f6e\u8fd9\u4e9b\u76d1\u63a7\u65e5\u5fd7\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u5458\u53ca\u65f6\u53d1\u73b0\u6570\u636e\u5e93\u6027\u80fd\u95ee\u9898\u5e76\u8fdb\u884c\u4f18\u5316\u3002\u4ee5\u4e0b\u662f\u542f\u7528 AWR \u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
EXEC DBMS_WORKLOAD_REPOSITORY.CREATE_SNAPSHOT();<\/pre>\n
4. SQL \u8ffd\u8e2a\u65e5\u5fd7<\/h4>\n
SQL \u8ffd\u8e2a\u65e5\u5fd7\u8bb0\u5f55\u4e86 SQL \u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u548c\u6027\u80fd\u4fe1\u606f\uff0c\u7528\u4e8e\u5206\u6790\u548c\u4f18\u5316 SQL \u8bed\u53e5\u7684\u6027\u80fd\u3002\u914d\u7f6e SQL \u8ffd\u8e2a\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u548c\u7ba1\u7406\u5458\u5b9a\u4f4d\u6162\u67e5\u8be2\u5e76\u8fdb\u884c\u4f18\u5316\u3002\u4ee5\u4e0b\u662f\u542f\u7528 SQL \u8ffd\u8e2a\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
ALTER SESSION SET SQL_TRACE=TRUE;<\/pre>\n
\u7ed3\u8bed<\/h4>\n
\u901a\u8fc7\u4e86\u89e3\u548c\u914d\u7f6e Oracle \u4e2d\u5e38\u89c1\u7684\u65e5\u5fd7\u7c7b\u578b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\uff0c\u5e76\u66f4\u52a0\u9ad8\u6548\u5730\u7ba1\u7406\u6570\u636e\u5e93\u3002\u7ba1\u7406\u5458\u548c\u5f00\u53d1\u4eba\u5458\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65e5\u5fd7\u914d\u7f6e\uff0c\u5e76\u5b9a\u671f\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u76d1\u63a7\u548c\u4f18\u5316\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u8fd0\u884c\u548c\u9ad8\u6548\u5de5\u4f5c\u3002\u5e0c\u671b\u672c\u6587\u63d0\u4f9b\u7684\u4ee3\u7801\u793a\u4f8b\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5e38\u89c1\u7684 Oracle \u65e5\u5fd7\u7c7b\u578b\u548c\u8bbe\u7f6e\u6307\u5357\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5e38\u89c1\u7684 Oracle \u65e5\u5fd7\u7c7b\u578b\u548c...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199970","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199970","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199970"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199970\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}