{"id":51540,"date":"2024-12-03T11:49:02","date_gmt":"2024-12-03T03:49:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51540\/"},"modified":"2024-12-03T11:49:02","modified_gmt":"2024-12-03T03:49:02","slug":"%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3oracle%e8%a1%a8%e9%94%81%e7%8a%b6%e6%80%81%e6%9f%a5%e8%af%a2%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51540\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3Oracle\u8868\u9501\u72b6\u6001\u67e5\u8be2\u65b9\u6cd5"},"content":{"rendered":"

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

\u6df1\u5165\u4e86\u89e3Oracle\u8868\u9501\u72b6\u6001\u67e5\u8be2\u65b9\u6cd5<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

Oracle\u67e5\u8be2\u8868\u9501\u72b6\u6001\u65b9\u6cd5\u8be6\u89e3<\/strong><\/p>\n

\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u8868\u9501\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u4ed6\u4f1a\u5f71\u54cd\u5230\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u5e76\u53d1\u5ea6\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5728Oracle\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u8868\u9501\u72b6\u6001\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u67e5\u8be2\u8868\u9501\u72b6\u6001\u7684\u65b9\u6cd5<\/h3>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u7cfb\u7edf\u89c6\u56fe\u4e2d\u67e5\u8be2\u6765\u83b7\u53d6\u8868\u9501\u72b6\u6001\u4fe1\u606f\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7cfb\u7edf\u89c6\u56fe\uff1a<\/p>\n

    \n
  • V$LOCK<\/strong>\uff1a\u663e\u793a\u6570\u636e\u5e93\u4e2d\u9ad8\u7ea7\u9501\u4fe1\u606f\u7684\u89c6\u56fe<\/li>\n
  • DBA_BLOCKERS<\/strong>\uff1a\u663e\u793a\u5f53\u524d\u7684\u4f1a\u8bddID\u548c\u9501\u5b9a\u4f1a\u8bddID<\/li>\n
  • DBA_WAITERS<\/strong>\uff1a\u663e\u793a\u5f53\u524d\u7684\u4f1a\u8bddID\u548c\u7b49\u5f85\u4f1a\u8bddID<\/li>\n
  • DBA_DML_LOCKS<\/strong>\uff1a\u663e\u793a\u5f53\u524d\u4f1a\u8bdd\u6301\u6709\u548c\u7b49\u5f85\u7684DML\u9501\u4fe1\u606f<\/li>\n<\/ul>\n

    2. \u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/h3>\n

    2.1 \u67e5\u8be2\u8868\u4e0a\u7684\u9501\u5b9a\u4f1a\u8bdd<\/h4>\n
    SELECT c.object_name,\n       b.sid,\n       b.serial#,\n       b.username,\n       b.status,\n       b.server,\n       l.locked_mode,\n       l.lock_type\nFROM   v$locked_object l,\n       dba_objects c,\n       v$session b\nWHERE  l.object_id = c.object_id\nAND    l.session_id = b.sid;<\/pre>\n
    \u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u67e5\u8be2\u51fa\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u5404\u4e2a\u8868\u7684\u9501\u5b9a\u4f1a\u8bdd\u4fe1\u606f\uff0c\u5305\u62ec\u4f1a\u8bddID\u3001\u6301\u6709\u9501\u7684\u7528\u6237\u3001\u9501\u7c7b\u578b\u7b49\u3002<\/p>\n
    2.2 \u67e5\u8be2\u5f53\u524d\u4f1a\u8bdd\u7684\u7b49\u5f85\u548c\u6301\u6709\u7684\u9501\u4fe1\u606f<\/h4>\n
    SELECT session_id, \n       lock_type,\n       mode_held,\n       mode_requested\nFROM   dba_dml_locks\nUNION\nSELECT holding_session session_id,\n       holding_cursor_type lock_type,\n       MODE_HELD mode_held,\n       MODE_REQUESTED mode_requested\nFROM   dba_kgl_locks<\/pre>\n
    \u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u67e5\u8be2\u5f53\u524d\u4f1a\u8bdd\u6301\u6709\u548c\u7b49\u5f85\u7684\u9501\u4fe1\u606f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u9501\u7684\u5177\u4f53\u60c5\u51b5\u3002<\/p>\n
    3. \u603b\u7ed3<\/h3>\n
    \u901a\u8fc7\u4ee5\u4e0a\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u5728Oracle\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u8868\u9501\u72b6\u6001\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u901a\u8fc7\u76d1\u63a7\u8868\u9501\u72b6\u6001\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u4f18\u5316\u6570\u636e\u5e93\u7684\u6027\u80fd\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
    \u4eca\u5929\u5173\u4e8e\u300a\u6df1\u5165\u4e86\u89e3Oracle\u8868\u9501\u72b6\u6001\u67e5\u8be2\u65b9\u6cd5\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
    \n
    <\/dt>\n
    \n   http put \u670d\u52a1\u5668\u5904\u7406\u5927\u6587\u4ef6\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u6df1\u5165\u4e86\u89e3Oracle\u8868\u9501\u72b6\u6001\u67e5\u8be2\u65b9\u6cd5 \u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01 Oracle\u67e5\u8be2\u8868\u9501\u72b6\u6001\u65b9\u6cd5\u8be6\u89e3 \u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u8868\u9501\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u4ed6\u4f1a\u5f71\u54cd\u5230\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u5e76\u53d1\u5ea6\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5728Oracle\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u8868\u9501\u72b6\u6001\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 1. \u67e5\u8be2\u8868\u9501\u72b6\u6001\u7684\u65b9\u6cd5 \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u7cfb\u7edf\u89c6\u56fe\u4e2d\u67e5\u8be2\u6765\u83b7\u53d6\u8868\u9501\u72b6\u6001\u4fe1\u606f\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7cfb\u7edf\u89c6\u56fe\uff1a V$LOCK\uff1a\u663e\u793a\u6570\u636e\u5e93\u4e2d\u9ad8\u7ea7\u9501\u4fe1\u606f\u7684\u89c6\u56fe DBA_BLOCKERS\uff1a\u663e\u793a\u5f53\u524d\u7684\u4f1a\u8bddID\u548c\u9501\u5b9a\u4f1a\u8bddID DBA_WAITERS\uff1a\u663e\u793a\u5f53\u524d\u7684\u4f1a\u8bddID\u548c\u7b49\u5f85\u4f1a\u8bddID DBA_DML_LOCKS\uff1a\u663e\u793a\u5f53\u524d\u4f1a\u8bdd\u6301\u6709\u548c\u7b49\u5f85\u7684DML\u9501\u4fe1\u606f 2. \u5177\u4f53\u4ee3\u7801\u793a\u4f8b 2.1 \u67e5\u8be2\u8868\u4e0a\u7684\u9501\u5b9a\u4f1a\u8bdd SELECT c.object_name, b.sid, b.serial#, b.username, b.status, b.server, l.locked_mode, l.lock_type FROM v$locked_object l, dba_objects c, v$session b WHERE l.object_id = c.object_id AND l.session_id = b.sid; \u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u67e5\u8be2\u51fa\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u5404\u4e2a\u8868\u7684\u9501\u5b9a\u4f1a\u8bdd\u4fe1\u606f\uff0c\u5305\u62ec\u4f1a\u8bddID\u3001\u6301\u6709\u9501\u7684\u7528\u6237\u3001\u9501\u7c7b\u578b\u7b49\u3002 2.2 \u67e5\u8be2\u5f53\u524d\u4f1a\u8bdd\u7684\u7b49\u5f85\u548c\u6301\u6709\u7684\u9501\u4fe1\u606f SELECT session_id, lock_type, mode_held, mode_requested FROM dba_dml_locks UNION SELECT holding_session session_id, holding_cursor_type lock_type, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51540","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51540"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51540\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}