Thanks for the data point.
|------------> | From: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |"Tom Huybrechts" <[EMAIL PROTECTED]> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | To: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |"Equinox development mailing list" <equinox-dev@eclipse.org> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Date: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |02/14/2008 06:01 PM | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Subject: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |Re: [equinox-dev] p2 repository optimization | >--------------------------------------------------------------------------------------------------------------------------------------------------| > > 4. It was mentioned in the reply below that "delta creation and > > recreation is time and space intensive, and the client should only > > download a delta in certain circumstances.." So should I expect that > > even tho I have a smaller "optimized" repository that the update of > > the jars will actually take longer than just updating full versions > > of the jars? > I don't numbers, however this will definitely happen depending on > what your bandwidth to the server is. For example, when we turned on > pack200 support (which requires a non trivial processing on the client), > the installation of the SDK from a LAN slowed down because of the > computation involved to unpack the jar on the client. However from home, > things went much faster. > I did some quick tests a while ago comparing using pack200 vs uncompressed jars for webstart downloads. On a busy LAN, I got about 7 MB/s for uncompressed download vs 800 KB/s for compressed download + unpacking. Tests done on a 40 Mb set of jars, with a compression ratio of 50%. YMMV but there is clearly a very big overhead for unpacking. Tom _______________________________________________ equinox-dev mailing list equinox-dev@eclipse.org https://dev.eclipse.org/mailman/listinfo/equinox-dev _______________________________________________ equinox-dev mailing list equinox-dev@eclipse.org https://dev.eclipse.org/mailman/listinfo/equinox-dev