{"id":199991,"date":"2025-05-06T10:02:14","date_gmt":"2025-05-06T02:02:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199991\/"},"modified":"2025-05-06T10:02:14","modified_gmt":"2025-05-06T02:02:14","slug":"%e5%b8%b8%e8%a7%81%e7%9a%84oracle%e8%a1%a8%e8%a2%ab%e9%94%81%e5%8e%9f%e5%9b%a0%e5%92%8c%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199991\/","title":{"rendered":"\u5e38\u89c1\u7684Oracle\u8868\u88ab\u9501\u539f\u56e0\u548c\u89e3\u51b3\u529e\u6cd5"},"content":{"rendered":"

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

\u5e38\u89c1\u7684Oracle\u8868\u88ab\u9501\u539f\u56e0\u548c\u89e3\u51b3\u529e\u6cd5<\/h1>\n

\u4e3b\u673a\u5b9d\u8d1d\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

\u6807\u9898\uff1aOracle\u4e2d\u8868\u88ab\u9501\u7684\u539f\u56e0\u53ca\u89e3\u51b3\u65b9\u6cd5<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u8868\u88ab\u9501\u662f\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u8868\u9501\u5b9a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\u548c\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u4e2d\u8868\u88ab\u9501\u7684\u539f\u56e0\uff0c\u5e76\u63d0\u4f9b\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u539f\u56e0<\/h3>\n

\u8868\u88ab\u9501\u7684\u539f\u56e0\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

    \n
  1. \u4e8b\u52a1\u672a\u63d0\u4ea4\uff1a\u5f53\u4e00\u4e2a\u4e8b\u52a1\u6b63\u5728\u5bf9\u8868\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u5176\u4ed6\u4e8b\u52a1\u4e5f\u5e0c\u671b\u5bf9\u540c\u4e00\u8868\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\uff0c\u5c31\u4f1a\u5bfc\u81f4\u8868\u88ab\u9501\u5b9a\u3002<\/li>\n
  2. \u5e76\u53d1\u8bbf\u95ee\uff1a\u591a\u4e2a\u7528\u6237\u540c\u65f6\u5bf9\u540c\u4e00\u5f20\u8868\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\uff0c\u53ef\u80fd\u5f15\u8d77\u8868\u88ab\u9501\u3002<\/li>\n
  3. \u6570\u636e\u5e93\u6b7b\u9501\uff1a\u5f53\u4e24\u4e2a\u4e8b\u52a1\u76f8\u4e92\u7b49\u5f85\u5bf9\u65b9\u91ca\u653e\u8d44\u6e90\u65f6\uff0c\u4f1a\u5bfc\u81f4\u6b7b\u9501\uff0c\u8868\u4e5f\u53ef\u80fd\u88ab\u5176\u4e2d\u4e00\u4e2a\u4e8b\u52a1\u9501\u5b9a\u3002<\/li>\n<\/ol>\n

    \u89e3\u51b3\u65b9\u6cd5<\/h3>\n

    \u9488\u5bf9\u4e0d\u540c\u7684\u539f\u56e0\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4e0d\u540c\u7684\u89e3\u51b3\u65b9\u6cd5\u6765\u89e3\u51b3\u8868\u88ab\u9501\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6cd5\u53ca\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

    1. \u4e8b\u52a1\u672a\u63d0\u4ea4<\/h4>\n

    \u5982\u679c\u8868\u88ab\u9501\u662f\u56e0\u4e3a\u4e8b\u52a1\u672a\u63d0\u4ea4\u9020\u6210\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u89e3\u51b3\uff1a<\/p>\n

    -- \u67e5\u627e\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u4e8b\u52a1\nSELECT username, sid, serial# \nFROM v$session\nWHERE blocking_session IS NOT NULL;\n\n-- \u67e5\u627e\u6b63\u5728\u8fd0\u884c\u7684 SQL \u8bed\u53e5\nSELECT SQL_TEXT\nFROM v$sql\nWHERE sql_id = (SELECT sql_id FROM v$session WHERE sid = :sid);<\/pre>\n
    \u901a\u8fc7\u67e5\u8be2\u6b63\u5728\u8fd0\u884c\u7684\u4e8b\u52a1\u548cSQL\u8bed\u53e5\uff0c\u627e\u5230\u9020\u6210\u9501\u7684\u539f\u56e0\uff0c\u5e76\u53ca\u65f6\u63d0\u4ea4\u6216\u56de\u6eda\u4e8b\u52a1\u3002<\/p>\n
    2. \u5e76\u53d1\u8bbf\u95ee<\/h4>\n
    \u5982\u679c\u8868\u88ab\u9501\u662f\u7531\u4e8e\u591a\u4e2a\u7528\u6237\u540c\u65f6\u5bf9\u8868\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\u9020\u6210\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u6216\u4f18\u5316SQL\u8bed\u53e5\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n
    -- \u8c03\u6574\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u4e3aREAD COMMITTED\nSET TRANSACTION ISOLATION LEVEL READ COMMITTED;<\/pre>\n
    \u901a\u8fc7\u5c06\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u8c03\u6574\u4e3aREAD COMMITTED\uff0c\u53ef\u4ee5\u51cf\u5c11\u8868\u88ab\u9501\u7684\u53ef\u80fd\u6027\u3002<\/p>\n
    3. \u6570\u636e\u5e93\u6b7b\u9501<\/h4>\n
    \u5982\u679c\u51fa\u73b0\u6570\u636e\u5e93\u6b7b\u9501\u5bfc\u81f4\u8868\u88ab\u9501\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u89e3\u51b3\uff1a<\/p>\n
    -- \u67e5\u770b\u6b7b\u9501\u4fe1\u606f\nSELECT a.sid, a.serial#, b.sid, b.serial#\nFROM v$session a, v$session b\nWHERE a.blocking_session = b.sid;\n\n-- \u7ec8\u6b62\u5bfc\u81f4\u6b7b\u9501\u7684\u4f1a\u8bdd\nALTER SYSTEM KILL SESSION 'sid,serial#';<\/pre>\n
    \u901a\u8fc7\u67e5\u770b\u6b7b\u9501\u4fe1\u606f\uff0c\u627e\u5230\u5bfc\u81f4\u6b7b\u9501\u7684\u4f1a\u8bdd\uff0c\u5e76\u7ec8\u6b62\u8be5\u4f1a\u8bdd\u6765\u89e3\u9664\u8868\u9501\u3002<\/p>\n
    \u7ed3\u8bba<\/h3>\n
    \u8868\u88ab\u9501\u662f\u6570\u636e\u5e93\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4f46\u901a\u8fc7\u5408\u7406\u7684\u6392\u67e5\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6216\u89e3\u51b3\u8868\u9501\u5e26\u6765\u7684\u5f71\u54cd\u3002\u5728\u65e5\u5e38\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u5efa\u8bae\u5bf9\u8868\u9501\u6709\u6240\u4e86\u89e3\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u89e3\u51b3\u65b9\u6cd5\u6765\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
    \u901a\u8fc7\u672c\u6587\u5bf9Oracle\u4e2d\u8868\u88ab\u9501\u7684\u539f\u56e0\u53ca\u89e3\u51b3\u65b9\u6cd5\u7684\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u8bfb\u8005\u5bf9\u8fd9\u4e00\u95ee\u9898\u6709\u4e86\u66f4\u5168\u9762\u7684\u4e86\u89e3\uff0c\u5e76\u80fd\u591f\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u66f4\u597d\u5730\u89e3\u51b3\u76f8\u5173\u7684\u6570\u636e\u5e93\u9501\u5b9a\u95ee\u9898\u3002<\/p>\n
    \u672c\u7bc7\u5173\u4e8e\u300a\u5e38\u89c1\u7684Oracle\u8868\u88ab\u9501\u539f\u56e0\u548c\u89e3\u51b3\u529e\u6cd5\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5e38\u89c1\u7684Oracle\u8868\u88ab\u9501\u539f\u56e0\u548c\u89e3...<\/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-199991","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199991","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=199991"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199991\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}