Alan DuBoff wrote: > On Thu, 2 Aug 2007, Bart Smaalders wrote: > >> The likely outcome is that the change is file based, with file >> equivalence determined by a file-type specific comparison/hash. >> This allows us to handle cases where the file is alway different, >> but semantically the same. Jar archives are a typical example here. > > You know, I was thinking about this after I sent the message, and > *think* that snapshots would use the checksums under the covers, so it > might be possible to incorporate snapshots to do a very similar thing as > at the block level. > > I was curious as I was talking last week with Olaf Manczak, and he had > been tossing around the idea of using the checksums to accomplish a > similar thing. > > So, in the above scenario with Jar files, are you saying that they have > more than one file with the same name that would get installed depending > on the system? If so, is that done for optimization? > > -- > > Alan DuBoff - Solaris x86 IHV/OEM Group
two jars that have the same content may have been created at different times; from a functionality standpoint they are the same but they have an internal timestamp that is different. - -- Bart Smaalders Solaris Kernel Performance [EMAIL PROTECTED] http://blogs.sun.com/barts _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
