dbcc sqlperf(logspace) --各數據庫日志大小及使用百分比dbcc loginfo --查看當前數據庫的虛擬日志文件--臨時表'Tempdb'最近使用情況 SELECT t1.session_id ,t1.internal_objects_alloc_page_count*8.0/1024 as internal_objects_alloc_MB ,t1.internal_objects_dealloc_page_count *8.0/1024 as internal_objects_dealloc_MB ,t1.user_objects_alloc_page_count*8.0/1024 as user_objects_alloc_MB ,t1.user_objects_dealloc_page_count*8.0/1024 as user_objects_dealloc_MB ,t3.login_name,t3.status,t3.total_elapsed_time from sys.dm_db_session_space_usage t1 inner join sys.dm_exec_sessions as t3 on t1.session_id = t3.session_id where (t1.internal_objects_alloc_page_count>0 or t1.user_objects_alloc_page_count >0 or t1.internal_objects_dealloc_page_count>0 or t1.user_objects_dealloc_page_count>0) ORDER BY internal_objects_alloc_page_count DESC--'Tempdb'存儲對象使用情況 Select 'Tempdb' as DB, getdate() as Time, SUM (user_object_reserved_page_count)*8 as user_objects_kb, SUM (internal_object_reserved_page_count)*8 as internal_objects_kb, SUM (version_store_reserved_page_count)*8 as version_store_kb, SUM (unallocated_extent_page_count)*8 as freespace_kb From sys.dm_db_file_space_usage Where database_id = 2 --使用計數器(SQLServer:Transactions )監視 tempdb 中行版本存儲區的大小和增長速率 SELECT * FROM sys.dm_os_performance_counters where counter_name='Free Space in tempdb (KB)' or counter_name='Version Store Size (KB)' --tempdb大小和增長速率 SELECT name AS FileName, size*1.0/128 AS FileSizeinMB, CASE max_size WHEN 0 THEN 'Autogrowth is off.' WHEN -1 THEN 'Autogrowth is on.' ELSE 'Log file will grow to a maximum size of 2 TB.' END, growth AS 'GrowthValue', 'GrowthIncrement' = CASE WHEN growth = 0 THEN 'Size is fixed and will not grow.' WHEN growth > 0 AND is_percent_growth = 0 THEN 'Growth value is in 8-KB pages.' ELSE 'Growth value is a percentage.' END FROM tempdb.sys.database_files; GO
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