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Oh, and If you use long filenames, you will reduce the number of files per folder.. not sure how many.. But if your drive is running ntfs, I don't think you will have any problems.<br />
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Oh, and If you use long filenames, you will reduce the number of files per folder.. not sure how many.. But if your drive is running ntfs, I don't think you will have any problems.



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Here is the link directly from microsoft:<br />
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<a href="http://www.microsoft.com/resources/documentation/Windows/XP/all/reskit/en-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-us/prkc_fil_tdrn.asp" rel="ugc nofollow">http://www.microsoft.com/resources/documentation/Windows/XP/all/reskit/en-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-us/prkc_fil_tdrn.asp</a><br />

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Here is the link directly from microsoft:

http://www.microsoft.com/resources/documentation/Windows/XP/all/reskit/en-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-us/prkc_fil_tdrn.asp [http://www.microsoft.com/resources/documentation/Windows/XP/all/reskit/en-us/Default.asp?url=/resources/documentation/Windows/XP/all/reskit/en-us/prkc_fil_tdrn.asp]


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I am using a Win2000 box as a file server. In other words putting all the files in one directory. There is a third patry database which makes a reference to the filenames to the metadata. I heard that there is limitation in every OS keeping number of files in one directory before its performance decreases (which accessing files), Is there is a number for Win2000. <br />
<br />
I have to store around 500,000 files over a period of time.
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I am using a Win2000 box as a file server. In other words putting all the files in one directory. There is a third patry database which makes a reference to the filenames to the metadata. I heard that there is limitation in every OS keeping number of files in one directory before its performance decreases (which accessing files), Is there is a number for Win2000. 

I have to store around 500,000 files over a period of time.

Number of Files per directory limitation.

Windows 2000 is an operating system for use on both client and server computers. It is the successor to Windows NT 4.0, and is the last version of Microsoft Windows to display the "Windows NT" designation. Four editions of Windows 2000 were released (Professional, Server, Advanced Server, and Datacenter Server) that shared a core set of features, including many system utilities such as the Microsoft Management Console. All versions of the operating system support NTFS 3.0, Encrypting File System, as well as basic and dynamic disk storage. The Windows 2000 Server family includes support for Active Directory services, Distributed File System and fault-redundant storage volumes.