{"id":51536,"date":"2024-12-03T17:02:39","date_gmt":"2024-12-03T09:02:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51536\/"},"modified":"2024-12-03T17:02:39","modified_gmt":"2024-12-03T09:02:39","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e6%a3%80%e6%9f%a5%e8%a1%a8%e9%94%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51536\/","title":{"rendered":"\u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u68c0\u67e5\u8868\u9501"},"content":{"rendered":"

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

\u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u68c0\u67e5\u8868\u9501<\/h1>\n<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u8868\u9501\u662f\u4e00\u79cd\u5bf9\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u8868\u9501\u5206\u4e3a\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501\uff0c\u5171\u4eab\u9501\u5141\u8bb8\u591a\u4e2a\u4f1a\u8bdd\u540c\u65f6\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u4e0d\u5141\u8bb8\u5176\u4ed6\u4f1a\u8bdd\u5bf9\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff1b\u6392\u4ed6\u9501\u5219\u53ea\u5141\u8bb8\u4e00\u4e2a\u4f1a\u8bdd\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bfb\u53d6\u6216\u4fee\u6539\u6570\u636e\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u68c0\u6d4b\u8868\u9501\u7684\u60c5\u51b5\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u987a\u5229\u8fdb\u884c\u3002<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u68c0\u6d4b\u8868\u9501\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528DBA_LOCK<\/code>\u89c6\u56fe\uff1a\u901a\u8fc7\u67e5\u8be2DBA_LOCK<\/code>\u89c6\u56fe\uff0c\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u7684\u9501\u4fe1\u606f\uff0c\u5305\u62ec\u9501\u7684\u7c7b\u578b\u3001\u6301\u6709\u9501\u7684\u4f1a\u8bddID\u7b49\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
    SELECT * FROM DBA_LOCK WHERE LOCK_TYPE = 'TM' AND MODE_HELD IS NOT NULL;<\/pre>\n
    \u8fd9\u6761\u67e5\u8be2\u8bed\u53e5\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6240\u6709\u7684\u8868\u9501\u4fe1\u606f\uff0c\u5176\u4e2dLOCK_TYPE = 'TM'<\/code>\u8868\u793a\u8868\u9501\uff0cMODE_HELD IS NOT NULL<\/code>\u8868\u793a\u5f53\u524d\u4f1a\u8bdd\u6301\u6709\u9501\u3002<\/p>\n
      \n
    1. \u4f7f\u7528V$LOCK<\/code>\u89c6\u56fe\uff1aV$LOCK<\/code>\u89c6\u56fe\u5305\u542b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u9501\u4fe1\u606f\uff0c\u901a\u8fc7\u67e5\u8be2\u8be5\u89c6\u56fe\u53ef\u4ee5\u67e5\u770b\u5177\u4f53\u7684\u9501\u4fe1\u606f\uff0c\u5305\u62ec\u9501\u7684\u7c7b\u578b\u3001\u6301\u6709\u9501\u7684\u4f1a\u8bddID\u7b49\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
      SELECT * FROM V$LOCK WHERE TYPE = 'TM';<\/pre>\n
      \u8fd9\u6761\u67e5\u8be2\u8bed\u53e5\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6240\u6709\u7684\u8868\u9501\u4fe1\u606f\uff0c\u5176\u4e2dTYPE = 'TM'<\/code>\u8868\u793a\u8868\u9501\u3002<\/p>\n
        \n
      1. \u4f7f\u7528DBA_BLOCKERS<\/code>\u548cDBA_WAITERS<\/code>\u89c6\u56fe\uff1a\u901a\u8fc7\u67e5\u8be2\u8fd9\u4e24\u4e2a\u89c6\u56fe\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u6b63\u5728\u88ab\u963b\u585e\u548c\u6b63\u5728\u7b49\u5f85\u9501\u7684\u4f1a\u8bdd\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n
        SELECT \/*+gather_plan_statistics*\/\n SHOLDING_SESSION SEQ POS TSYM LMODE REQUEST PCB\nFROM \n DBA_LOCK_INTERNAL A,\n DBA_LOCK_INTERNAL B,\n V$SESSION S1, \n V$SESSION S2\nWHERE \n A.SID1 = S1.SID AND\n B.SID1 = S2.SID AND\n S1.USERNAME IS NOT NULL AND\n S2.USERNAME IS NOT NULL AND\n A.SID1 = B.SID1 AND\n A.SID2 = B.SID2;<\/pre>\n
        \u901a\u8fc7\u5206\u6790DBA_BLOCKERS<\/code>\u548cDBA_WAITERS<\/code>\u89c6\u56fe\uff0c\u53ef\u4ee5\u4e86\u89e3\u54ea\u4e9b\u4f1a\u8bdd\u88ab\u9501\u963b\u585e\uff0c\u54ea\u4e9b\u4f1a\u8bdd\u6b63\u5728\u7b49\u5f85\u9501\u3002<\/p>\n
        \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Oracle\u6570\u636e\u5e93\u4e2d\u68c0\u6d4b\u8868\u9501\u7684\u60c5\u51b5\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u6f5c\u5728\u7684\u9501\u51b2\u7a81\u95ee\u9898\uff0c\u4fdd\u969c\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6b63\u5e38\u8fdb\u884c\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
        \n
        <\/dt>\n
        \n   \u5728 Go-Gorm \u4e2d\u5982\u4f55\u5173\u95ed\u9ed8\u8ba4\u9519\u8bef\u65e5\u5fd7\u8bb0\u5f55\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u68c0\u67e5\u8868\u9501 \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u8868\u9501\u662f\u4e00\u79cd\u5bf9\u6570\u636e\u5e93\u8868\u8fdb\u884c\u52a0\u9501\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u8868\u9501\u5206\u4e3a\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501\uff0c\u5171\u4eab\u9501\u5141\u8bb8\u591a\u4e2a\u4f1a\u8bdd\u540c\u65f6\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u4e0d\u5141\u8bb8\u5176\u4ed6\u4f1a\u8bdd\u5bf9\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff1b\u6392\u4ed6\u9501\u5219\u53ea\u5141\u8bb8\u4e00\u4e2a\u4f1a\u8bdd\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u5176\u4ed6\u4f1a\u8bdd\u65e0\u6cd5\u8bfb\u53d6\u6216\u4fee\u6539\u6570\u636e\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u68c0\u6d4b\u8868\u9501\u7684\u60c5\u51b5\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u987a\u5229\u8fdb\u884c\u3002 \u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u68c0\u6d4b\u8868\u9501\uff1a \u4f7f\u7528DBA_LOCK\u89c6\u56fe\uff1a\u901a\u8fc7\u67e5\u8be2DBA_LOCK\u89c6\u56fe\uff0c\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u7684\u9501\u4fe1\u606f\uff0c\u5305\u62ec\u9501\u7684\u7c7b\u578b\u3001\u6301\u6709\u9501\u7684\u4f1a\u8bddID\u7b49\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a SELECT * FROM DBA_LOCK WHERE LOCK_TYPE = ‘TM’ AND MODE_HELD IS NOT NULL; \u8fd9\u6761\u67e5\u8be2\u8bed\u53e5\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6240\u6709\u7684\u8868\u9501\u4fe1\u606f\uff0c\u5176\u4e2dLOCK_TYPE = ‘TM’\u8868\u793a\u8868\u9501\uff0cMODE_HELD IS NOT NULL\u8868\u793a\u5f53\u524d\u4f1a\u8bdd\u6301\u6709\u9501\u3002 \u4f7f\u7528V$LOCK\u89c6\u56fe\uff1aV$LOCK\u89c6\u56fe\u5305\u542b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u9501\u4fe1\u606f\uff0c\u901a\u8fc7\u67e5\u8be2\u8be5\u89c6\u56fe\u53ef\u4ee5\u67e5\u770b\u5177\u4f53\u7684\u9501\u4fe1\u606f\uff0c\u5305\u62ec\u9501\u7684\u7c7b\u578b\u3001\u6301\u6709\u9501\u7684\u4f1a\u8bddID\u7b49\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a SELECT * FROM V$LOCK WHERE TYPE = ‘TM’; \u8fd9\u6761\u67e5\u8be2\u8bed\u53e5\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6240\u6709\u7684\u8868\u9501\u4fe1\u606f\uff0c\u5176\u4e2dTYPE = ‘TM’\u8868\u793a\u8868\u9501\u3002 \u4f7f\u7528DBA_BLOCKERS\u548cDBA_WAITERS\u89c6\u56fe\uff1a\u901a\u8fc7\u67e5\u8be2\u8fd9\u4e24\u4e2a\u89c6\u56fe\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u6b63\u5728\u88ab\u963b\u585e\u548c\u6b63\u5728\u7b49\u5f85\u9501\u7684\u4f1a\u8bdd\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a SELECT \/*+gather_plan_statistics*\/ SHOLDING_SESSION SEQ POS TSYM LMODE REQUEST PCB FROM DBA_LOCK_INTERNAL A, DBA_LOCK_INTERNAL B, V$SESSION S1, V$SESSION S2 WHERE […]<\/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-51536","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51536","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=51536"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51536\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}