Hi,
I have noticed a strange thing when dealing with postgreSQL.
Foreword: this is all about postgres tables increasing in
size extremely fast when doing updates. My sainness is
decreasing in approximatly the same speed. Please look.
When I do this:
* create database foo
* create table test
CREATE TABLE test (
foo int4
);
and make, for example, 20 inserts into this. Arbitrary data.
Then, I make in another terminal: (user with permission)
cd /var/lib/postgres/data/base/foo
then,
watch -n 1 'ls -al test'
On my system it is now 8k big.
then (a couple of times),
update test set foo=5;
10 times is enough for it to get 16k big. I realised that it
increases in size EXTREMELY fast when only UDPATing. I find
this strange, as I update timestamp in my real database
often and in 5 minutes it is 2 megabytes big and containing
only 18 rows! (NO BULLSHIT!!)
Please help me with this I am quite desperate...
Daniel Åkerud
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