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SQL Server on Falsh Drive,Will there be any Performance Improvement? Expand / Collapse
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Posted Tuesday, March 31, 2009 7:02 AM
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Has anybody tried installing SQL Server on a flash drive and checked the performance of a database on that drive.

Regards,
Sriram


Sriram

Post #686973
Posted Tuesday, March 31, 2009 7:08 AM
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I haven't tried it, but have seen an expensive server running solid state hard drives. Unbelievable the I/Os per second the server was achieving!

There is some debate whether tuning will be necessary in the future with such fast IO...
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Posted Tuesday, March 31, 2009 7:19 AM
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any stats about the server, or about the database size. Beucase I just have a 10GB database and want to give a try.

Sriram

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Posted Tuesday, March 31, 2009 7:23 AM


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Sriram ,

You can install it.check out this


http://stackoverflow.com/questions/517901/can-i-install-sql-server-on-a-usb-drive/517913

http://www.sqlnewsgroups.net/group/microsoft.public.sqlserver.server/topic133.aspx




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Posted Tuesday, March 31, 2009 7:24 AM
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Flash memory is MUCH faster than disk, no moving parts...but still too expensive for most organisations.

ps. I hope we're talking solid state hard drives, rather than sticking a flash drive in a USB port

found this: http://www.physorg.com/news139762252.html

1 million IOPS!!
Post #687007
Posted Tuesday, March 31, 2009 8:50 AM
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Hi...Actually wanted to know the kind of improvement in numbers/ %ge if we move sql db to a solid state drive...

I know that we can move it but it is costly...

anybody with prior experience....Sriram


Sriram

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Posted Tuesday, March 31, 2009 9:18 AM
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The performance improvement you will see depends on how IO bound your application is.

For SQL Server, you should look ar adding memory first to get performance improvements if you see long disk read queue lengths.

You can look at the links below for info on high end systems designed for situations where high performance IO is critical.

Fusion-io ioDrive
http://www.fusionio.com
http://www.tgdaily.com/content/view/34065/135/

Intel’s X25-E Versus The Fusion-io ioDrive
http://www.tomshardware.com/picturestory/493-8-x25-e-fusion-io-iodrive.html

HP StorageWorks 80GB IO Accelerator for $4,400 and 320GB IO Accelerator for $13,200
http://h71016.www7.hp.com/dstore/ctoBases.asp?oi=E9CED&BEID=19701&SBLID=&ProductLineId=450&FamilyId=2979&LowBaseId=27328&LowPrice=$65.00


The intel X25-E in a RAID array compared against SAS disks.

SQLIO performance:
http://it.anandtech.com/IT/showdoc.aspx?i=3532&p=7

MySQL DB setup with different array compositions:
http://it.anandtech.com/IT/showdoc.aspx?i=3532&p=11
Post #687148
Posted Tuesday, March 31, 2009 9:48 AM


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sriram


den why dont you try implimenting it....just install it man////ltes see how itz working


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Posted Tuesday, March 31, 2009 9:55 AM


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I've also found some nice perf. info at http://www.ramsan.com/products/products.htm

If I get the chance, I'll certainly try it out.
That depends entirely on the "current" economic situation.


Johan


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but keeping both feet on the ground won't get you anywhere

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