{"id":63876,"date":"2025-04-29T11:19:02","date_gmt":"2025-04-29T03:19:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/63876\/"},"modified":"2025-04-29T11:19:02","modified_gmt":"2025-04-29T03:19:02","slug":"oracle%e6%9f%a5%e7%9c%8b%e8%bf%9b%e7%a8%8b%e6%98%af%e5%90%a6%e8%a2%ab%e9%94%81-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/63876\/","title":{"rendered":"oracle\u67e5\u770b\u8fdb\u7a0b\u662f\u5426\u88ab\u9501"},"content":{"rendered":"<blockquote><p>\n  \u6709\u4e94\u79cd\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5 oracle \u8fdb\u7a0b\u662f\u5426\u88ab\u9501\uff1a\u4f7f\u7528 v$session \u548c v$session_wait\uff0c\u67e5\u627e\u5305\u542b\u201clock\u201d\u7684\u7b49\u5f85\u4e8b\u4ef6\u3002\u4f7f\u7528 v$lock \u627e\u5230\u5f53\u524d\u6301\u6709\u9501\u7684\u4f1a\u8bdd\u3002\u4f7f\u7528 gv$lock \u67e5\u627e\u6240\u6709\u6570\u636e\u5e93\u8303\u56f4\u7684\u9501\u3002\u4f7f\u7528 v$locked_object \u67e5\u627e\u5f53\u524d\u88ab\u9501\u5b9a\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u4f7f\u7528 v$transaction \u627e\u5230\u6b63\u5728\u7b49\u5f85\u9501\u5b9a\u7684\u6240\u6709\u4e8b\u52a1\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/17\/2024081718310779998.jpg\" class=\"aligncenter\" title=\"oracle\u67e5\u770b\u8fdb\u7a0b\u662f\u5426\u88ab\u9501\u63d2\u56fe\" alt=\"oracle\u67e5\u770b\u8fdb\u7a0b\u662f\u5426\u88ab\u9501\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u67e5\u770b Oracle \u8fdb\u7a0b\u662f\u5426\u88ab\u9501\uff1f<\/strong><\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 v$session \u548c v$session_wait<\/strong><\/p>\n<pre>SELECT\n  s.sid,\n  s.serial#,\n  s.status,\n  sw.event,\n  sw.wait_time\nFROM v$session s\nINNER JOIN v$session_wait sw\n  ON s.sid = sw.sid\nWHERE\n  sw.event LIKE '%lock%';<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u8fd4\u56de\u6240\u6709\u88ab\u9501\u5b9a\u7684\u4f1a\u8bdd\u53ca\u5176\u7b49\u5f85\u4e8b\u4ef6\u548c\u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 v$lock<\/strong><\/p>\n<pre>SELECT\n  *\nFROM v$lock\nWHERE\n  request &gt; 0;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u8fd4\u56de\u6240\u6709\u5f53\u524d\u6301\u6709\u9501\u7684\u4f1a\u8bdd\u3002<\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 gv$lock<\/strong><\/p>\n<pre>SELECT\n  *\nFROM gv$lock\nWHERE\n  request &gt; 0;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u7c7b\u4f3c\u4e8e v$lock\uff0c\u4f46\u5b83\u663e\u793a\u6240\u6709\u6570\u636e\u5e93\u8303\u56f4\u7684\u9501\u3002<\/p>\n<p><strong>\u65b9\u6cd5 4\uff1a\u4f7f\u7528 v$locked_object<\/strong><\/p>\n<pre>SELECT\n  *\nFROM v$locked_object\nWHERE\n  object_id &gt; 0;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u8fd4\u56de\u5f53\u524d\u88ab\u9501\u5b9a\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002<\/p>\n<p><strong>\u65b9\u6cd5 5\uff1a\u4f7f\u7528 v$transaction<\/strong><\/p>\n<pre>SELECT\n  *\nFROM v$transaction\nWHERE\n  status = 'WAIT WAIT';<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u8fd4\u56de\u6b63\u5728\u7b49\u5f85\u9501\u5b9a\u7684\u6240\u6709\u4e8b\u52a1\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u67e5\u770b\u8fdb\u7a0b\u662f\u5426\u88ab\u9501\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u4e94\u79cd\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5 oracle \u8fdb\u7a0b\u662f\u5426\u88ab\u9501\uff1a\u4f7f\u7528 v$session \u548c v$session_wait\uff0c\u67e5\u627e\u5305\u542b\u201clock\u201d\u7684\u7b49\u5f85\u4e8b\u4ef6\u3002\u4f7f\u7528 v$lock \u627e\u5230\u5f53\u524d\u6301\u6709\u9501\u7684\u4f1a\u8bdd\u3002\u4f7f\u7528 gv$lock \u67e5\u627e\u6240\u6709\u6570\u636e\u5e93\u8303\u56f4\u7684\u9501\u3002\u4f7f\u7528 v$locked_object \u67e5\u627e\u5f53\u524d\u88ab\u9501\u5b9a\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u4f7f\u7528 v$transaction \u627e\u5230\u6b63\u5728\u7b49\u5f85\u9501\u5b9a\u7684\u6240\u6709\u4e8b\u52a1\u3002 \u5982\u4f55\u67e5\u770b Oracle \u8fdb\u7a0b\u662f\u5426\u88ab\u9501\uff1f \u65b9\u6cd5 1\uff1a\u4f7f\u7528 v$session \u548c v$session_wait SELECT s.sid, s.serial#, s.status, sw.event, sw.wait_time FROM v$session s INNER JOIN v$session_wait sw ON s.sid = sw.sid WHERE sw.event LIKE &#8216;%lock%&#8217;; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u67e5\u8be2\u8fd4\u56de\u6240\u6709\u88ab\u9501\u5b9a\u7684\u4f1a\u8bdd\u53ca\u5176\u7b49\u5f85\u4e8b\u4ef6\u548c\u7b49\u5f85\u65f6\u95f4\u3002 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 v$lock SELECT * FROM v$lock WHERE request &gt; [&hellip;]<\/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-63876","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63876","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=63876"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63876\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=63876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=63876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=63876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}