{"id":530,"date":"2015-10-21T07:39:56","date_gmt":"2015-10-21T07:39:56","guid":{"rendered":"http:\/\/www.dbafox.com\/?p=530"},"modified":"2015-10-21T07:42:14","modified_gmt":"2015-10-21T07:42:14","slug":"sql-server-identifying-locking","status":"publish","type":"post","link":"https:\/\/dbafox.com\/?p=530","title":{"rendered":"SQL Server &#8211; Identifying Locking"},"content":{"rendered":"<pre>\r\n<div class=\"dmlselect\">\r\n-- Locking\r\nselect cmd,* from sys.sysprocesses\r\nwhere blocked > 0\r\n\r\nSELECT command,\r\n            s.text,\r\n            start_time,\r\n            percent_complete, \r\n            CAST(((DATEDIFF(s,start_time,GetDate()))\/3600) as varchar) + ' hour(s), '\r\n                  + CAST((DATEDIFF(s,start_time,GetDate())%3600)\/60 as varchar) + 'min, '\r\n                  + CAST((DATEDIFF(s,start_time,GetDate())%60) as varchar) + ' sec' as running_time,\r\n            CAST((estimated_completion_time\/3600000) as varchar) + ' hour(s), '\r\n                  + CAST((estimated_completion_time %3600000)\/60000 as varchar) + 'min, '\r\n                  + CAST((estimated_completion_time %60000)\/1000 as varchar) + ' sec' as est_time_to_go,\r\n            dateadd(second,estimated_completion_time\/1000, getdate()) as est_completion_time \r\nFROM sys.dm_exec_requests r\r\nCROSS APPLY sys.dm_exec_sql_text(r.sql_handle) s\r\n\r\nSELECT\r\nt1.resource_type,\r\nt1.resource_database_id,\r\nt1.resource_associated_entity_id,\r\nt1.request_mode,\r\nt1.request_session_id,\r\nt2.blocking_session_id,\r\no1.name 'object name',\r\no1.type_desc 'object descr',\r\np1.partition_id 'partition id',\r\np1.rows 'partition\/page rows',\r\na1.type_desc 'index descr',\r\na1.container_id 'index\/page container_id'\r\nFROM sys.dm_tran_locks as t1\r\nINNER JOIN sys.dm_os_waiting_tasks as t2\r\n\tON t1.lock_owner_address = t2.resource_address\r\nLEFT OUTER JOIN sys.objects o1 on o1.object_id = t1.resource_associated_entity_id\r\nLEFT OUTER JOIN sys.partitions p1 on p1.hobt_id = t1.resource_associated_entity_id\r\nLEFT OUTER JOIN sys.allocation_units a1 on a1.allocation_unit_id = t1.resource_associated_entity_id\r\n\r\nuse [<i>database name<\/i>]\r\ngo\r\nSELECT\r\ndb.name DBName,\r\ntl.request_session_id,\r\nwt.blocking_session_id,\r\nOBJECT_NAME(p.OBJECT_ID) BlockedObjectName,\r\ntl.resource_type,\r\nh1.TEXT AS RequestingText,\r\nh2.TEXT AS BlockingTest,\r\ntl.request_mode\r\nFROM sys.dm_tran_locks AS tl\r\nINNER JOIN sys.databases db ON db.database_id = tl.resource_database_id\r\nINNER JOIN sys.dm_os_waiting_tasks AS wt ON tl.lock_owner_address = wt.resource_address\r\nINNER JOIN sys.partitions AS p ON p.hobt_id = tl.resource_associated_entity_id\r\nINNER JOIN sys.dm_exec_connections ec1 ON ec1.session_id = tl.request_session_id\r\nINNER JOIN sys.dm_exec_connections ec2 ON ec2.session_id = wt.blocking_session_id\r\nCROSS APPLY sys.dm_exec_sql_text(ec1.most_recent_sql_handle) AS h1\r\nCROSS APPLY sys.dm_exec_sql_text(ec2.most_recent_sql_handle) AS h2\r\nGO\r\n<\/div>\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8212; Locking select cmd,* from sys.sysprocesses where blocked > 0 SELECT command, s.text, start_time, percent_complete, CAST(((DATEDIFF(s,start_time,GetDate()))\/3600) as varchar) + &#8216; hour(s), &#8216; + CAST((DATEDIFF(s,start_time,GetDate())%3600)\/60 as varchar) + &#8216;min, &#8216; + CAST((DATEDIFF(s,start_time,GetDate())%60) as varchar) + &#8216; sec&#8217; as running_time, CAST((estimated_completion_time\/3600000) as &hellip; <a href=\"https:\/\/dbafox.com\/?p=530\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-530","post","type-post","status-publish","format-standard","hentry","category-ms-sql-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SQL Server - Identifying Locking - dbafox<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dbafox.com\/?p=530\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL Server - Identifying Locking - dbafox\" \/>\n<meta property=\"og:description\" content=\"-- Locking select cmd,* from sys.sysprocesses where blocked &gt; 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