如何在阻塞期间找出associatedObjectId表示的对象？

Question

我收到了另一个团队关于SQL Server阻止的报告.看结果

  Exec sp_who2

和格伦贝瑞的博客查询

SELECT blocking.session_id AS blocking_session_id
       ,blocked.session_id AS blocked_session_id
       ,waitstats.wait_type AS blocking_resource
       ,waitstats.wait_duration_ms
       ,waitstats.resource_description
       ,blocked_cache.text AS blocked_text
       ,blocking_cache.text AS blocking_text
    FROM sys.dm_exec_connections AS blocking
    INNER JOIN sys.dm_exec_requests blocked
        ON blocking.session_id = blocked.blocking_session_id
    CROSS APPLY sys.dm_exec_sql_text(blocked.sql_handle) blocked_cache
    CROSS APPLY sys.dm_exec_sql_text(blocking.most_recent_sql_handle) blocking_cache
    INNER JOIN sys.dm_os_waiting_tasks waitstats
        ON waitstats.session_id = blocked.session_id

我不想抓住任何被阻挡的东西.多次运行我开始注意到某些东西出现了,但是下次运行查询时,blcoking已经消失了.

我创建了临时表 SELECT INTO

       ,blocking_cache.text AS blocking_text
    INTO #TempBlockingTable
    FROM sys.dm_exec_connections AS blocking

在那之后修改了查询INSERT INTO SELECT.现在,我可以根据需要多次运行查询,而不必担心结果会消失.

我一直运行查询大约10秒钟,直到我最终得到一些结果.

 SELECT * FROM #TempBlockingTable

看着resource_description柱,从sys.dm_os_waiting_tasks我发现,数据显示在下面的格式.

 <type-specific-description> id=lock<lock-hex-address> mode=<mode> associatedObjectId=<associated-obj-id> 

sys.dm_os_waiting_tasks http://technet.microsoft.com/en-us/library/ms188743.aspx上的Microsoft文档没有定义associatedObjectId

Answer 1

回答实际上是来自Aaron Bertrand在Google Groups上发现的.要获取OBJECT_NAME,associatedObjectId您需要运行以下查询

SELECT OBJECT_NAME([object_id])
    FROM sys.partitions
    WHERE partition_id = 456489945132196

此数字456489945132196表示associatedObjectId来自resource_description列的值sys.dm_os_waiting_tasks