{"id":186102,"date":"2024-11-11T03:07:27","date_gmt":"2024-11-10T19:07:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186102\/"},"modified":"2024-11-11T03:07:28","modified_gmt":"2024-11-10T19:07:28","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e8%a1%a8%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3%ef%bc%88%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186102\/","title":{"rendered":"\u6578\u64da\u5eab\u88ab\u9396\u8868\u67e5\u8a62\u65b9\u6cd5\u8a73\u89e3\uff08\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u88ab\u9396\u8868\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96%e8%a1%a8%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3%ef%bc%88%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a2%ab%e9%8e%96-BspczCvpgu\">\u6578\u64da\u5eab\u88ab\u9396\u8868\u67e5\u8a62\u65b9\u6cd5\u8a73\u89e3\uff08\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u88ab\u9396\u8868\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8868\u9396\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002\u7576\u6578\u64da\u5eab\u4e2d\u7684\u67d0\u500b\u8868\u88ab\u9396\u5b9a\u6642\uff0c\u5176\u4ed6\u8acb\u6c42\u5c07\u7121\u6cd5\u8a2a\u554f\u8a72\u8868\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u696d\u52d9\u904b\u4f5c\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u8a62\u548c\u89e3\u6c7a\u6578\u64da\u5eab\u88ab\u9396\u8868\u7684\u554f\u984c\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8e%96%e5%ae%9a%ef%bc%9f-BspczCvpgu\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u9396\u5b9a\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u9396\u5b9a\u662f\u6307\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u904e\u7a0b\u4e2d\uff0c\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u7cfb\u7d71\u5c0d\u67d0\u4e9b\u8cc7\u6e90\uff08\u5982\u8868\u6216\u884c\uff09\u9032\u884c\u7684\u9650\u5236\u3002\u9396\u5b9a\u53ef\u4ee5\u5206\u70ba\u591a\u7a2e\u985e\u578b\uff0c\u5305\u62ec\u884c\u9396\u3001\u8868\u9396\u548c\u9801\u9396\u7b49\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u5c0d\u67d0\u500b\u8cc7\u6e90\u52a0\u9396\u6642\uff0c\u5176\u4ed6\u4e8b\u52d9\u5728\u672a\u7372\u5f97\u8a72\u9396\u7684\u60c5\u6cc1\u4e0b\u7121\u6cd5\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e8%a9%a2%e8%a2%ab%e9%8e%96%e7%9a%84%e8%a1%a8-BspczCvpgu\">\u5982\u4f55\u67e5\u8a62\u88ab\u9396\u7684\u8868<\/h2>\n<p>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u67e5\u8a62\u88ab\u9396\u7684\u8868\u7684\u65b9\u6cd5\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u67e5\u8a62\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"mysql-BspczCvpgu\">MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u9396\u5b9a\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW PROCESSLIST;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u7576\u524d\u6240\u6709\u7684\u9032\u7a0b\uff0c\u5305\u62ec\u6b63\u5728\u57f7\u884c\u7684\u67e5\u8a62\u548c\u5176\u72c0\u614b\u3002\u5982\u679c\u67d0\u500b\u9032\u7a0b\u7684\u72c0\u614b\u986f\u793a\u70ba\u201cLocked\u201d\uff0c\u5247\u8868\u793a\u8a72\u9032\u7a0b\u6b63\u5728\u7b49\u5f85\u9396\u5b9a\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u9396\u5b9a\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT * FROM information_schema.innodb_lock_waits;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u6703\u8fd4\u56de\u7576\u524d\u6240\u6709\u7684\u9396\u7b49\u5f85\u60c5\u6cc1\uff0c\u5305\u62ec\u7b49\u5f85\u7684\u4e8b\u52d9\u548c\u6301\u6709\u9396\u7684\u4e8b\u52d9\u3002<\/p>\n<h3 id=\"postgresql-BspczCvpgu\">PostgreSQL<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u9396\u5b9a\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT * FROM pg_locks;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u6703\u8fd4\u56de\u7576\u524d\u6240\u6709\u7684\u9396\u5b9a\u4fe1\u606f\uff0c\u5305\u62ec\u9396\u7684\u985e\u578b\u3001\u72c0\u614b\u548c\u6301\u6709\u8005\u7b49\u3002\u53ef\u4ee5\u901a\u904e\u806f\u63a5\u5176\u4ed6\u7cfb\u7d71\u8868\u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT \n    pg_stat_activity.pid, \n    pg_stat_activity.usename, \n    pg_stat_activity.state, \n    pg_locks.locktype, \n    pg_locks.mode \nFROM \n    pg_stat_activity \nJOIN \n    pg_locks \nON \n    pg_stat_activity.pid = pg_locks.pid \nWHERE \n    pg_locks.granted = false;<\/code><\/pre>\n<h3 id=\"sql-server-BspczCvpgu\">SQL Server<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u9396\u5b9a\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT \n    blocking_session_id AS BlockingSessionID, \n    session_id AS BlockedSessionID, \n    wait_type, \n    wait_time, \n    wait_resource \nFROM \n    sys.dm_exec_requests \nWHERE \n    blocking_session_id  0;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u6703\u986f\u793a\u6240\u6709\u88ab\u963b\u585e\u7684\u6703\u8a71\u53ca\u5176\u5c0d\u61c9\u7684\u963b\u585e\u6703\u8a71ID\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e8%a2%ab%e9%8e%96%e8%a1%a8%e7%9a%84%e5%95%8f%e9%a1%8c-BspczCvpgu\">\u89e3\u6c7a\u88ab\u9396\u8868\u7684\u554f\u984c<\/h2>\n<p>\u4e00\u65e6\u767c\u73fe\u67d0\u500b\u8868\u88ab\u9396\u5b9a\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li><strong>\u7d42\u6b62\u963b\u585e\u6703\u8a71\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u6703\u8a71\u9577\u6642\u9593\u6301\u6709\u9396\uff0c\u53ef\u4ee5\u8003\u616e\u7d42\u6b62\u8a72\u6703\u8a71\u3002\u9019\u53ef\u4ee5\u901a\u904e\u76f8\u61c9\u7684\u547d\u4ee4\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982\u5728MySQL\u4e2d\u4f7f\u7528<code>KILL [process_id];<\/code>\u3002<\/li>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u6aa2\u67e5\u88ab\u9396\u5b9a\u7684\u67e5\u8a62\uff0c\u770b\u770b\u662f\u5426\u53ef\u4ee5\u9032\u884c\u512a\u5316\uff0c\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7684\u6301\u6709\u6642\u9593\u3002<\/li>\n<li><strong>\u8abf\u6574\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\uff0c\u8003\u616e\u8abf\u6574\u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7684\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BspczCvpgu\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u88ab\u9396\u8868\u7684\u554f\u984c\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u8a62\u548c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u5c0d\u65bc\u7dad\u8b77\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u547d\u4ee4\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u5feb\u901f\u8b58\u5225\u88ab\u9396\u5b9a\u7684\u8868\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u89e3\u6c7a\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u904b\u884c\u74b0\u5883\u7a69\u5b9a\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u8a62\u88ab\u9396\u5b9a\u7684\u6578\u64da\u5eab\u8868\uff0c\u638c\u63e1\u6709\u6548\u7684\u89e3\u9396\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\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-186102","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186102","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=186102"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186102\/revisions"}],"predecessor-version":[{"id":186103,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186102\/revisions\/186103"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}