Wiretap

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wiretap bandwidth throttling.

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08-23-2007 12:51 PM
Hi,

When we are retrieving material from Wiretap we are able to saturate the GigE pipe. but when sending material into Wiretap it caps around 30 MB/sec even when trying with a variety of strong client machines. So I am wondering if there is a server setting that is limiting to this value?

Alan Message was edited by: alatteri
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Re: wiretap bandwidth throttling.

08-23-2007 03:18 PM in reply to: alatteri
No, there's no such setting.

30 MB/sec happens to be the maximum thoughput you would get from a typical IDE drive. Are you reading from disk to provide the source data to send to the server?

Aside, there are many potential reasons for performance drops.
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Re: wiretap bandwidth throttling.

08-23-2007 03:45 PM in reply to: alatteri
Well we are reading from disk, but most of the content people send with our stuff is compressed QTs, so really the input is much smaller than 30 MB/sec, but goes over the GigE as uncompressed RGB.

Does that reservation setting in sw_config have any affect on Wiretap?
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Re: wiretap bandwidth throttling.

08-23-2007 04:05 PM in reply to: alatteri
The sw_config setting does absolutely nothing.

I suggest you run wieap_client_tool with the -c parameter to read a clip and report the performance numbers. I think using the -d (destination) may also report write values as well.

This will give us a baseline for read/write performance on the system in question. Message was edited by: dlabute
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