lzma compression on official isos vs Deltaisos

[Tim]

Tim:
>> Generally speaking, trying to compress something that's already
>> compressed doesn't gain you anything.  Often, things will get bigger
>> (e.g. new archive headers will be added to the file), and you're just
>> creating more decompressing work to be done.

Mike McCarty:
> Yes, that's correct. However, when a file has very little
> actual redundancy, sometimes recompression can have a dramatic
> effect. 

It shouldn't if the compression routine was well written, in the first
place.

-- 
[tim at localhost ~]$ uname -r
2.6.27.25-78.2.56.fc9.i686

Don't send private replies to my address, the mailbox is ignored.  I
read messages from the public lists.