| Alexander Grigoriev 2004-07-20, 5:45 pm |
| If you had XP on workstations, you could use client-side cache (offline
files). If you have security concerns about it, those cached files can be
encrypted on the client.
"Benno..." <0@0.invalid> wrote in message
news:40fb75f1$0$284$4d4ebb8e@news.nl.uu.net...
> Due to applications as the SAP client and AutoCAD 2002 our users roaming
> profiles contain thousands of very small files. I have noticed that the
> average transfer rate of those small files (~350Bytes in size) over the
> network is extremely slow compared to normal to large sized files (300KB
> up to a few MB). With the normal sized files I'm seeing transfer rates
> to the workstations of 4MB to 15MB per second, with the small files this
> drops to as low as 75KB per second with an average of ~200KB per second.
>
> The roaming profiles are stored on a RAID5 logical drive with a 64KB
> stripe size (I think this is the maximum for the Smart Array 5300
> controller) and the NTFS partition is formatted with the default 4KB
> cluster size. The Array Controller cache is configured 25% read / 75%
> write to compensate for the RAID5 slower writes.
>
> The server is a Windows 2000 SP4 machine, the workstations are NT4 SP6a.
> The network is 100Mb switched with a 1000Mb connection to the fileserver.
>
> Is there anything I can do with the RAID stripe size or the cluster size
> to increase the throughput of those small files without affecting
> transfer speed the normal sized files to much?
>
> Are there any benchmark programs that I can use to test this?
>
> Could the TCP/IP Windows size be an issue here?
>
> --
> Thanks,
> Benno...
|