[Python-Dev] dbm clone with serious specs wanted
M.-A. Lemburg
mal@lemburg.com
Fri, 10 Dec 1999 17:43:11 +0100
Guido van Rossum wrote:
>
> Someone has asked me for a dbm clone that can store 16M keys of 350
> bytes each, and runs on Linux, HPUX, and NT. That's 5.6 Gigabyte in
> keys alone! I presume most classic approaches won't cut it since
> total file size is typicall limited by the seek system call, internal
> data structures and/or file index format to 2Gb (signed longs) or 4Gb
> (unsigned longs).
>
> Does anyone have an idea where to start looking? Would a Python
> extension already exist?
I'd suggest using a dbm style wrapper around the DB-API and then
trying out the many cross-platform databases. IBM DB2 comes to
mind... it can certainly handle these sizes given the right
hardware.
--
Marc-Andre Lemburg
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