On 10/05/2016 08:51 AM, René Rebe wrote:
Hey there,
I recently was made aware of Zstandard compression, and like some of it’s
properties.
For example blazing fast decompression speed. This always annoyed me the most
with the bzip2 that we like for two decades or so.
But this should also save storage and download traffic.
We prepared trunk so far, and we are re-compressing the trunk mirror archive.
I estimate some fallout, such as the host build system need to have zstd and
it’s file need to know the zstd magic (patch in T2).
I will also test switching the “iso” binaries packages to zstd by default for
smaller iso image and blazingly fast unpacking (e.g. to solid state storage, …).
Cheers,
René
Hopefully if your going to do that, you will still allow settings to be
made for the current tar.bz2 input source files and output compiled
packages to stay as is as well as your new z compression. I really don't
want to have to download all of the mirror source packages I use again
to start with just because of a compression change.
However, I do like the idea of having the compiled packages in a
different format to the source tree packages as well as a smaller iso to
deal with, i'd rather do that so I instantaneously know what has been
built.
Can you please give us a link to which of the z compressions you intend
to use (I think there are 3 at present being touted to become the
'standard'). Also are you also going to change the kernel setting to
match so compiled commands can be left compressed until used? That would
shrink things a bit although the processir will have to do a little bit
more work.
regards
scsijon
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