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brims
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Joined: 19 Apr 2004
Posts: 492
Location: Arizona
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 Posted: Fri Mar 10, 2006 4:38 am Post subject: Sync speedup |
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So I have been wondering this for a while now, what does speedup mean when syncing, as in | Code: | sent 195 bytes received 3270669 bytes 139185.70 bytes/sec
total size is 117862838 speedup is 36.03 |
I have searched Gentoo Wiki and the forums, everything that comes up when I search for speedup is "speedup portage" or "speedup <some program>". How is speedup calculated? Thanks for your time.
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benster
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Joined: 30 Nov 2005
Posts: 67
Location: Funkytown
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| Posted: Fri Mar 10, 2006 4:53 am Post subject: not portage, it's rsync. |
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That output doesn't come from portage itself, it is the output from rsync, a program which portage makes use of. rsync is a program for synchronization of filesystems, and achieves a speedup by only transferring the differences between file systems and not the whole shebang.
So if you instead had downloaded all of the changed files in portage, rsync is informing you that it's doing its job, by making the process 36 times faster than a complete download by only transferring the changes.
This link should give you more than you want to know. |
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brims
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Paapaa
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Joined: 14 Aug 2005
Posts: 955
Location: Finland
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| Posted: Fri Mar 10, 2006 10:26 am Post subject: Re: Sync speedup |
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| brims wrote: | | Code: | sent 195 bytes received 3270669 bytes 139185.70 bytes/sec
total size is 117862838 speedup is 36.03 |
I have searched Gentoo Wiki and the forums, everything that comes up when I search for speedup is "speedup portage" or "speedup <some program>". How is speedup calculated? Thanks for your time. |
117862838 / 3270669 = 36.0363 |
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