[nylug-talk] Filesystems that Support Transparent Compression?

[alex@pilosoft.com]

On Tue, 11 Jul 2006, Michael Bacarella wrote:

> If the file were broken into 8192 byte chunks with each chunk compressed and
> packed together, add an index which shows the mappings, I could see this
> working pretty well.  You maintain random accessibility features and possibly
> improve sequential read performance since one physical block read may yield
> several blocks worth of data.
Compression factor on that would suck. LZ doesn't perform well is your 
buffer is that small. To try: take 1GB text file (compression factor 1:4). 
Break it into 100000 8kb files. Compress each. You'll be lucky if you get 
1:2.

-alex