Horton

Re: Significantly larger toast tables on 8.4?

Peter Eisentraut <peter_e@gmx.net>

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From: Peter Eisentraut <peter_e@gmx.net>
To: pgsql-hackers@postgresql.org
Cc: "Stephen R. van den Berg" <srb@cuci.nl>, Alex Hunsaker <badalex@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2009-01-03T22:45:44Z
Lists: pgsql-hackers 
On Friday 02 January 2009 22:23:13 Stephen R. van den Berg wrote:
> Three things:
> a. Shouldn't it in theory be possible to have a decompression algorithm
>    which is IO-bound because it decompresses faster than the disk can
>    supply the data?  (On common current hardware).
> b. Has the current algorithm been carefully benchmarked and/or optimised
>    and/or chosen to fit the IO-bound target as close as possible?
> c. Are there any well-known pitfalls/objections which would prevent me from
>    changing the algorithm to something more efficient (read: IO-bound)?

copyright licenses and patents

Which doesn't mean changing anything is impossible, but it is tricky in those 
nontechnical ways.