select top 10
	t1.session_id,
	t1.request_id,
	t1.task_alloc,
	t1.task_dealloc, 
    (SELECT SUBSTRING(text, t2.statement_start_offset/2 + 1,
          (CASE WHEN statement_end_offset = -1
              THEN LEN(CONVERT(nvarchar(max),text)) * 2
                   ELSE statement_end_offset
              END - t2.statement_start_offset)/2)
		FROM sys.dm_exec_sql_text(sql_handle)) AS query_text
	,(SELECT query_plan from sys.dm_exec_query_plan(t2.plan_handle)) as query_plan
FROM (Select session_id, request_id,
			sum(internal_objects_alloc_page_count +   user_objects_alloc_page_count) as task_alloc,
			sum (internal_objects_dealloc_page_count + user_objects_dealloc_page_count) as task_dealloc
		from sys.dm_db_task_space_usage
		group by session_id, request_id) as t1
	INNER JOIN sys.dm_exec_requests as t2
		ON t1.session_id = t2.session_id 
		AND t1.request_id = t2.request_id
where t1.session_id <> @@SPID
	--AND t1.session_id > 50
order by t1.task_alloc DESC