A related request: allow multiple resource files to be packed in a single
(LZMA?) compressed archive.

Modded servers may require several files to be downloaded by new players,
especially if non stock models are used. These files may be small in size
but there are a lot of them, so the round trip time is the biggest factor
slowing the transfer.
Adding support for archives with better compression will improve the user
experience, and make admins happier too (the stats for my fastdownload site
report ~55GB of transferred files and 200K hits every day, 70GB and 250K
hits on saturday/sunday)


On Wed, Jan 25, 2012 at 8:26 PM, Adam Nowacki <nowa...@platinum.linux.pl>wrote:

> As of now custom content (custom maps mostly) on the server can be
> compressed with bzip2 to reduce the time clients have to wait on the
> loading screen. While the compression ratio of bzip2 is already quite good
> there is a far better alternative: LZMA (see http://en.wikipedia.org/wiki/
> **LZMA <http://en.wikipedia.org/wiki/LZMA>). Decompression code is very
> simple, small and free/open-source libraries are available.
>
> Below is a comparison of bzip2 and LZMA for the custom maps hosted on my
> server (team fortress 2), bzip2 compressed files are from 1.3 to 2.3 times
> larger than LZMA compressed ones:
> 1.4x cp_antiquity_rc1.bsp (bzip2: 31.6MiB, lzma: 22.1MiB)
> 1.9x cp_crossroads_b5.bsp (bzip2: 20.4MiB, lzma: 10.9MiB)
> 1.3x cp_glacier_rc6.bsp (bzip2: 33.8MiB, lzma: 26.5MiB)
> 2.3x cp_mainline_rc5.bsp (bzip2: 22.8MiB, lzma: 10.0MiB)
> 1.7x cp_snakewater.bsp (bzip2: 31.6MiB, lzma: 18.4MiB)
> 1.7x cp_upland_rc2.bsp (bzip2: 39.7MiB, lzma: 23.7MiB)
> 2.2x cp_vertigo_beta3.bsp (bzip2: 21.6MiB, lzma: 9.8MiB)
> 1.8x cp_zinkenite_b3a.bsp (bzip2: 73.5MiB, lzma: 41.8MiB)
> 1.5x ctf_converge_b3.bsp (bzip2: 35.3MiB, lzma: 23.6MiB)
> 1.8x ctf_haarp.bsp (bzip2: 39.4MiB, lzma: 22.1MiB)
> 1.9x ctf_landfall_rc.bsp (bzip2: 22.8MiB, lzma: 11.7MiB)
> 1.5x ctf_premuda_b1b.bsp (bzip2: 53.2MiB, lzma: 36.5MiB)
> 1.8x ctf_vector_v1.bsp (bzip2: 23.4MiB, lzma: 13.1MiB)
> 1.5x ctf_wildfire_rc.bsp (bzip2: 21.1MiB, lzma: 14.1MiB)
> 1.3x koth_namicott_rc1.bsp (bzip2: 12.8MiB, lzma: 9.7MiB)
> 1.8x pl_borneo_v1.bsp (bzip2: 21.7MiB, lzma: 12.2MiB)
> 2.0x pl_boundary_final.bsp (bzip2: 20.9MiB, lzma: 10.7MiB)
> 1.3x pl_cashworks_prefinal.bsp (bzip2: 42.1MiB, lzma: 31.3MiB)
> 1.6x pl_manngrove_rc5.bsp (bzip2: 29.8MiB, lzma: 18.8MiB)
> 1.3x pl_mill_b5.bsp (bzip2: 32.4MiB, lzma: 25.5MiB)
> 2.0x pl_outback_rc4.bsp (bzip2: 27.7MiB, lzma: 14.1MiB)
> 1.3x pl_problematique_a3.bsp (bzip2: 4.7MiB, lzma: 3.6MiB)
> 2.1x pl_yamashiro_b3.bsp (bzip2: 16.2MiB, lzma: 7.8MiB)
> 1.9x plr_panic_b2.bsp (bzip2: 37.1MiB, lzma: 19.7MiB)
> 1.7x tc_meridian_rc3.bsp (bzip2: 42.1MiB, lzma: 24.1MiB)
>
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