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Execute window: estimated time left

 
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Gilberto
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PostPosted: Mon Sep 04, 2006 10:30 am    Post subject: Execute window: estimated time left Reply with quote

I'm enjoing the Veceversa Pro product very mutch.
What I consider useless, at beginning, is the "estimated time left" in the "Executre" window that seem to me to be calculated on the istant connection speed, while in a weak network connection the speed change in a big range of values.
So it could be useful an estimeted time based on the speed average, i.e. the total bytes tranferred/second elapsed.
Good product anyway, probably with a long experience.
Gilberto
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TGRMN Software
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Joined: 10 Jan 2005
Posts: 8263

PostPosted: Mon Sep 04, 2006 11:21 pm    Post subject: Reply with quote

The transfer rate you see in ViceVersa is calculated based on the amount of bytes tranfered during the last few seconds. It will fluctuate. We decided not to use a long period of time for the average calculation so that the user knows what is the real transfer rate at this moment as opposed to the average rate over the last 10 minutes or so. Since you can control the max transfer rate used, it is important that the tranfer rate shown is what is happening now. Smile
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Gilberto
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PostPosted: Tue Sep 05, 2006 4:38 pm    Post subject: Reply with quote

TGRMN Software wrote:
The transfer rate you see in ViceVersa is calculated based on the amount of bytes tranfered during the last few seconds. It will fluctuate. We decided not to use a long period of time for the average calculation so that the user knows what is the real transfer rate at this moment as opposed to the average rate over the last 10 minutes or so. Since you can control the max transfer rate used, it is important that the tranfer rate shown is what is happening now. Smile


Yes, I agree with for the transfer rate calculation: it's useful to know the real time speed. But the "estimate time left" has an other meaning, I think. It must be the concrete estimate on how long will it take to finish the job.
I tell you my configuration. Your software is the first solution that I have found working to synchronize some contents between my pc and my mac (yes, a Osx Macintosh with SMB services that allow to share resources with the Windows pc). They are connected via a wi-fi lan network, and I don't know for witch reason the transfer rate go randomly, within a single minute, from 2M to 10k (yes, less than a bad modem connection...).
So the estimate time to copy around 50GB change constantly between 4 hours and 50 hours, updates every few seconds! Calculating the average time you can better estimate when the task could finish. I don't know if my english is enough good to explain what I mean.
Thank for listening.
Gilberto
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TGRMN Software
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Posts: 8263

PostPosted: Tue Sep 05, 2006 11:23 pm    Post subject: Reply with quote

Hi Gilberto, your English is very good! Smile

Yes, I understand. VV calculates the "Estimated Time Left" by taking the current transfer rate and applying it to the amount of data left to copy. It could consider a longer period of time instead of the current transfer rate, but then when you adapt the bandwidth used it would no linger be realistic....
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Gilberto
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PostPosted: Sat Sep 09, 2006 6:17 am    Post subject: Reply with quote

TGRMN Software wrote:
Hi Gilberto, your English is very good! Smile

It could consider a longer period of time instead of the current transfer rate, but then when you adapt the bandwidth used it would no linger be realistic....


why? If you take 2 days to copy 100GB it's most likely you will take 1 day for other 50GB.
That's the easiest and more realistic estimate in any case, for what I interstand. Or I miss something?
Thanks for the attention
Gilberto
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TGRMN Software
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Posts: 8263

PostPosted: Sun Sep 10, 2006 11:16 pm    Post subject: Reply with quote

Quote:
why? If you take 2 days to copy 100GB it's most likely you will take 1 day for other 50GB.


This is true if you are not changing the max bandwidth used by ViceVersa (you can set max bandwidth in the VV copy Window) and if your file mix does not change, eg copying 1 file of 100MB is much quicker than copying 100 files of 1MB .... but you are right, I think, if the user does not change the max bandwidth used by VV, the estimated time left should be calculated on the total size of the files copied so far under this max bandwidth value... it would probably be more accurate... I will submit this to our improvement database, thanks! Smile
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