Is my database now too big? - Mailing list pgsql-admin

From Darren Reed
Subject Is my database now too big?
Date
Msg-id 1191730382.18880.1214536197@webmail.messagingengine.com
Whole thread Raw
Responses Re: Is my database now too big?  ("Joshua D. Drake" <jd@commandprompt.com>)
Re: Is my database now too big?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-admin
I'm starting to wonder if my database has finally grown too big for my
computer.

But, rather than peform badly, I see a number of "bad things" happen:

* pg_dump fails to run, causing an "out of memory" error (I don't
understand
  why this happens, but it does);

* restarting postgres across a reboot results in tables disappearing
  without any error messages being given out (this is *really
  disturbing*.)

postgres itself, however, starts up fine.

"wc -l" of the output from the last successuful dump_all is around
8million
lines, spread across half a dozen or so tables.

I'm afraid that if I restructure the db to have smaller tables, I'd just
be
putting off "hitting" the ceiling.

What can I safely do to get postgres running normally?

I'm currently using 8.1.3, will I fare any better with a more recent
version?

My end goal is to have maybe 50 million records.  Will postgresql handle
this
(with only 1.5GB of RAM) or do I need to look elsewhere for a db of this
size?

Thoughts?

Cheers,
Darren

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