Bruce Momjian pgman@candle.pha.pa.us writes:
Right now with fsync off you can get transactions partially commited in your
database, which is a serious problem (think moving money from one account to
another).
It's worse than that. You can get a totally corrupted database. Things like
, 2005 7:15 PM
To: Vig, Sandor (G/FI-2); pgsql-performance@postgresql.org
Subject: RE: [PERFORM] PostgreSQL is extremely slow on Windows
I've downloaded the latest release (PostgreSQL 8.0) for windows.
Installation was OK, but I have tried to restore a database.
It had more than ~100.000 records
Hi,
I changed fsync to false. It took 8 minutes to restore the
full database.
That is 26 times faster than before. :-/ (aprox. 200 tps)
With background writer it took 12 minutes. :-(
That seems reasonable.
The funny thing is, I had a VMWARE emulation on the same
Windows mashine,
You can *never* get above 80 without using write cache,
regardless of
your OS, if you have a single disk.
Why? Even with, say, a 15K RPM disk? Or the ability to
fsync() multiple concurrently-committing transactions at once?
Uh. What I meant was a single *IDE* disk. Sorry. Been too
Hi,
I've downloaded the latest release (PostgreSQL 8.0) for windows.
Installation was OK, but I have tried to restore a database.
It had more than ~100.000 records. Usually I use PostgreSQL
under Linux, and it used to be done under 10 minutes.
Under W2k und XP it took 3 hours(!) Why is it so
On Tue, 22 Feb 2005 16:00:59 +0100, Vig, Sandor (G/FI-2)
[EMAIL PROTECTED] wrote:
Hi,
I've downloaded the latest release (PostgreSQL 8.0) for windows.
Installation was OK, but I have tried to restore a database.
It had more than ~100.000 records. Usually I use PostgreSQL
under Linux,
Magnus Hagander wrote:
You can *never* get above 80 without using write cache, regardless of
your OS, if you have a single disk.
Why? Even with, say, a 15K RPM disk? Or the ability to fsync() multiple
concurrently-committing transactions at once?
-Neil
---(end of
Hi,
I've downloaded the latest release (PostgreSQL 8.0) for windows.
Installation was OK, but I have tried to restore a database.
It had more than ~100.000 records. Usually I use PostgreSQL
under Linux, and it used to be done under 10 minutes.
Under W2k und XP it took 3 hours(!) Why is it so
