Delta patching has all sorts of issues. I honestly don't know the state of delta patching in WiX v3.0 but my memory suggests that there were changes in WiX v3.5 for delta patching. I'll have to ask Peter Marcu since he built most of that system and doesn't hang out here.
On Wed, Jan 5, 2011 at 2:44 AM, Steve Allen <st...@red-redemption.com>wrote: > Hi, > > I'm using Wix version 3.0.5419.0. > > The project I'm working on is a fairly plain single featured installer. > The bulk of the installer is made up of several large (30MB+) zip files. > I've found that the patches between versions end up very large as a > result, and have determined that the zip files are not being delta'd (by > inspecting the MSPs with Orca). Experiments showed that reducing the > size of the zips to around 25MB and below dramatically decreased the > size of the overall patch (from approx 50MB in total with large zip > files that aren't delta'd, to <2MB with correct deltas). This problem is > made worse when targetting multiple versions as the patches scale > linearly with the number of versions - a three version patch is bigger > than the original installer! We would prefer not to hide this problem by > reducing the sizes of the zips, as (a) the problem could return and (b) > there would be a significant amount of work involved in reworking the > way the application understands its data. > > Is there a known problem with Pyro and delta patching? Is it likely to > be a problem with Windows Installer rather than Wix? > > Any help would be much appreciated. > > Steve Allen > > > ------------------------------------------------------------------------------ > Learn how Oracle Real Application Clusters (RAC) One Node allows customers > to consolidate database storage, standardize their database environment, > and, > should the need arise, upgrade to a full multi-node Oracle RAC database > without downtime or disruption > http://p.sf.net/sfu/oracle-sfdevnl > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users > > -- virtually, Rob Mensching - http://RobMensching.com LLC ------------------------------------------------------------------------------ Gaining the trust of online customers is vital for the success of any company that requires sensitive data to be transmitted over the Web. Learn how to best implement a security strategy that keeps consumers' information secure and instills the confidence they need to proceed with transactions. http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
