{"id":96196,"date":"2024-10-20T07:24:17","date_gmt":"2024-10-19T23:24:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96196\/"},"modified":"2024-10-20T07:24:17","modified_gmt":"2024-10-19T23:24:17","slug":"oracle%e7%94%a8%e6%88%b6%e6%9c%83%e8%a9%b1%e4%bf%a1%e6%81%af%e7%9a%84%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96196\/","title":{"rendered":"Oracle\u7528\u6236\u6703\u8a71\u4fe1\u606f\u7684\u67e5\u8a62\u65b9\u6cd5"},"content":{"rendered":"

Oracle\u7528\u6236\u6703\u8a71\u4fe1\u606f\u7684\u67e5\u8a62\u65b9\u6cd5<\/h1>\n

\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u4e86\u89e3\u7528\u6236\u6703\u8a71\u4fe1\u606f\u5c0d\u65bc\u6027\u80fd\u76e3\u63a7\u548c\u6545\u969c\u6392\u9664\u81f3\u95dc\u91cd\u8981\u3002\u7528\u6236\u6703\u8a71\u4fe1\u606f\u63d0\u4f9b\u4e86\u6709\u95dc\u7576\u524d\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u7528\u6236\u7684\u8a73\u7d30\u8cc7\u6599\uff0c\u5305\u62ec\u4ed6\u5011\u7684\u6d3b\u52d5\u3001\u72c0\u614b\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u67e5\u8a62Oracle\u7528\u6236\u6703\u8a71\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u4eba\u54e1\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n

1. \u4f7f\u7528V$SESSION\u8996\u5716<\/h2>\n

Oracle\u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba\u7684\u52d5\u614b\u6027\u80fd\u8996\u5716\uff0c\u8a72\u8996\u5716\u5305\u542b\u4e86\u7576\u524d\u6240\u6709\u7528\u6236\u6703\u8a71\u7684\u4fe1\u606f\u3002\u901a\u904e\u67e5\u8a62\u6b64\u8996\u5716\uff0c\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u6bcf\u500b\u6703\u8a71\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6236\u540d\u3001\u6703\u8a71\u72c0\u614b\u3001\u767b\u9304\u6642\u9593\u3001\u57f7\u884c\u7684SQL\u8a9e\u53e5\u7b49\u3002<\/p>\n

SELECT \n    SID, \n    SERIAL#, \n    USERNAME, \n    STATUS, \n    OSUSER, \n    MACHINE, \n    PROGRAM, \n    LOGON_TIME \nFROM \n    V$SESSION \nWHERE \n    STATUS = 'ACTIVE';\n<\/code><\/pre>\n
\u4e0a\u8ff0\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7576\u524d\u6d3b\u52d5\u7684\u6703\u8a71\u4fe1\u606f\u3002\u9019\u5c0d\u65bc\u8b58\u5225\u6b63\u5728\u57f7\u884c\u7684\u64cd\u4f5c\u548c\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n
2. \u4f7f\u7528V$SESSION\u548cV$SQL\u8996\u5716\u7d50\u5408\u67e5\u8a62<\/h2>\n
\u5982\u679c\u9700\u8981\u7372\u53d6\u6b63\u5728\u57f7\u884c\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u5c07\u8996\u5716\u8207\u8996\u5716\u7d50\u5408\u4f7f\u7528\u3002\u9019\u6a23\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u6bcf\u500b\u6703\u8a71\u6b63\u5728\u57f7\u884c\u7684\u5177\u9ad4\u64cd\u4f5c\u3002<\/p>\n
SELECT \n    s.SID, \n    s.USERNAME, \n    s.STATUS, \n    q.SQL_TEXT \nFROM \n    V$SESSION s \nJOIN \n    V$SQL q ON s.SQL_ID = q.SQL_ID \nWHERE \n    s.STATUS = 'ACTIVE';\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u6d3b\u52d5\u6703\u8a71\u53ca\u5176\u6b63\u5728\u57f7\u884c\u7684SQL\u8a9e\u53e5\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n
3. \u67e5\u8a62\u6703\u8a71\u7684\u7b49\u5f85\u4e8b\u4ef6<\/h2>\n
\u5728\u6027\u80fd\u8abf\u512a\u4e2d\uff0c\u4e86\u89e3\u6703\u8a71\u7684\u7b49\u5f85\u4e8b\u4ef6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Oracle\u7684\u8996\u5716\u4e2d\u5305\u542b\u4e86\u6703\u8a71\u7684\u7b49\u5f85\u4fe1\u606f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n
SELECT \n    SID, \n    EVENT, \n    WAIT_TIME, \n    STATE \nFROM \n    V$SESSION \nWHERE \n    WAIT_TIME > 0;\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u986f\u793a\u6240\u6709\u6b63\u5728\u7b49\u5f85\u7684\u6703\u8a71\u53ca\u5176\u7b49\u5f85\u4e8b\u4ef6\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u5206\u6790\u6027\u80fd\u554f\u984c\u7684\u6839\u6e90\u3002<\/p>\n
4. \u4f7f\u7528DBA_HIST_ACTIVE_SESS_HISTORY\u8996\u5716<\/h2>\n
\u5c0d\u65bc\u9700\u8981\u9577\u671f\u76e3\u63a7\u6703\u8a71\u4fe1\u606f\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u8996\u5716\u3002\u9019\u500b\u8996\u5716\u63d0\u4f9b\u4e86\u6b77\u53f2\u6703\u8a71\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5c0d\u65bc\u6027\u80fd\u5206\u6790\u548c\u8da8\u52e2\u9810\u6e2c\u975e\u5e38\u6709\u7528\u3002<\/p>\n
SELECT \n    SAMPLE_TIME, \n    SESSION_ID, \n    USER_ID, \n    SQL_ID, \n    EVENT \nFROM \n    DBA_HIST_ACTIVE_SESS_HISTORY \nWHERE \n    SAMPLE_TIME > SYSDATE - 1\/24;  -- \u67e5\u8a62\u904e\u53bb\u4e00\u5c0f\u6642\u7684\u6578\u64da\n<\/code><\/pre>\n
\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u904e\u53bb\u4e00\u5c0f\u6642\u5167\u7684\u6703\u8a71\u6d3b\u52d5\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u9032\u884c\u6b77\u53f2\u6027\u80fd\u5206\u6790\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u5e7e\u7a2e\u65b9\u6cd5\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u67e5\u8a62Oracle\u7528\u6236\u6703\u8a71\u4fe1\u606f\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u76e3\u63a7\u548c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u8996\u5716\u9084\u662f\u7d50\u5408\u5176\u4ed6\u8996\u5716\u9032\u884c\u67e5\u8a62\uff0c\u9019\u4e9b\u6280\u8853\u90fd\u80fd\u5e6b\u52a9\u8b58\u5225\u6f5b\u5728\u7684\u554f\u984c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3Oracle\u7528\u6236\u6703\u8a71\u4fe1\u606f\u7684\u67e5\u8a62\u65b9\u6cd5\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u76e3\u63a7\u548c\u7ba1\u7406\u6578\u64da\u5eab\u6027\u80fd\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-96196","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96196","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=96196"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96196\/revisions"}],"predecessor-version":[{"id":96197,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96196\/revisions\/96197"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}