[ADMIN] Postgresql 9.0.2 explain analyze very slow (10x), compared to actual query time

2011-01-11 Thread Achilleas Mantzios
Hello, I have noticed that in 9.0.2 EXPLAIN ANALYZE takes considerably longer time to return than the actual query. I never noticed this in 8.3. Example: In 9.0.2 i get dynacom=# EXPLAIN ANALYZE SELECT count(ms.id) from marinerstates ms,mariner m where ms.endtime IS NOT NULL AND ms.marinerid=m.id

Re: [ADMIN] Postgresql 9.0.2 explain analyze very slow (10x), compared to actual query time

2011-01-11 Thread Tom Lane
Achilleas Mantzios writes: > I have noticed that in 9.0.2 EXPLAIN ANALYZE takes considerably longer time > to return than the actual query. I never noticed this in 8.3. Same hardware? What it sounds like is you're running 9.0 on a machine with slow gettimeofday(). regar

Re: [ADMIN] problem about postgresql installation and user login

2011-01-11 Thread Daniel J. Summers
On Mon, Jan 10, 2011 at 10:55 PM, somnathzankar wrote: > > $ sudo su - postgres > No directory, logging in with HOME=/ > > so when I'm trying to install postgresql then above warning got to me and it > install. > but when I'm trying to login by postgres user then above error it shows. This just m

Re: [ADMIN] problem about postgresql installation and user login

2011-01-11 Thread Tom Lane
"Daniel J. Summers" writes: > On Mon, Jan 10, 2011 at 10:55 PM, somnathzankar > wrote: >> >> $ sudo su - postgres >> No directory, logging in with HOME=/ >> >> so when I'm trying to install postgresql then above warning got to me and it >> install. >> but when I'm trying to login by postgres u

Re: [ADMIN] PD_ALL_VISIBLE flag was incorrectly set happend during repeatable vacuum

2011-01-11 Thread Fujii Masao
On Sat, Dec 25, 2010 at 2:09 PM, Maxim Boguk wrote: > While I trying create reproducible test case for BUG #5798 I > encountered very strange effect on two of my servers (both servers > have same hardware platform/OS (freebsd 7.2) and PostgreSQL 8.4.4). > > Very simple test table created as: > CRE