Applies to: SQL Server Introduced in SQL Server 2014 (12.x), the buffer pool extension provides the seamless integration of a nonvolatile random access memory (that is, solid-state drive) extension to the Database Engine buffer pool to significantly improve I/O throughput. The buffer pool ...
set buffer pool extension off 撤销缓冲池扩展后,将从注册表中删除所有相关的配置设置。SQL Server 实例关闭时,将会删除缓冲池扩展文件。 扩展缓存区注意事项 设置缓存区的时候,缓冲池扩展大小最大可为 max_server_memory 值的 32 倍。建议物理内存 (max_server_memory) 的大小与缓冲池扩展的大小之比不应超过 1...
启用BUFFER Pool Extension 在SQL Server 2014总,启用Buffer Pool Extension非常简单,仅仅需要拥有SysAdmin权限后,输入一个T-SQL语句即可,如图3所示。 图3.启用Buffer Pool Extension 对应的,我们可以在物理磁盘中看到这个扩展文件,该文件的性能和Windows的虚拟内存文件非常类似,如图4所示。 图4.对应的Buffer Pool扩展文...
ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION OFF; GO 以下脚本为改变缓存池扩展的大小: USE master GO ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION OFF; GO ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION ON (FILENAME = 'F:\SSDCACHE\Example.BPE', SIZE = 20 GB); GO 以下为缓存...
Altering SQL Server Buffer Pool Extension Size: ↑Back to top USE master ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION OFF; ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION ON(FILENAME ='F:\Temp\BP_Extension1.B',SIZE= 5 GB); --Put Max Server Memory back where it was EXEC sys....
SET BUFFER POOL EXTENSION { ON ( FILENAME = 'os_file_path_and_name' , SIZE = <size> [ KB | MB | GB ] ) | OFF } Note: ALTER SERVER CONFIGURATION command requires ALTER SERVER STATE privilege from the user executing the command. ...
Returns configuration information about the buffer pool extension in SQL Server. Returns one row for each buffer pool extension file.Kembangkan jadual Column nameData typeDescription path nvarchar(256) Path and file name of the buffer pool extension cache. Nullable...
USING PoolReports;ALTER RESOURCE GOVERNOR RECONFIGURE;GO通过这个配置,SQL Server将会限制IO资源池的负载,从而满足2个IOPS给用户Report,1个IOPS给用户Backup。通过设置IO资源调控器对客户设置最大的工作负载限制,一方面可以达到预测的性能,同时还会保护其他的用户性能不受影响。
Assume that you have an instance of Microsoft SQL Server 2014, 2016 or 2017 that has buffer pool extension (BPE) enabled. If you experience an I/O error that occurs on the BPE file, BPE may be disabled, and a buffer time-out error that resemb...
Resilient bufferpool extension SQL Server在2012年实现了一个功能,可以把buffer pool的内容spill到本地SSD文件中,从而扩展了bp的容量限制。socrates扩展了这个特性,使bp可以变为resilient的,也就是crash后,可以recovery回来,这个功能称为RBPEX,相当于增加了buffer pool的存储层级,这样当实例重启recovery时,由于local SSD...