Re: [GENERAL] On-disk size of db increased after restore

2010-09-07 Thread Devrim GÜNDÜZ
On Fri, 2010-09-03 at 11:29 -0400, Tom Lane wrote: > > I'm confused. I'm still seeing a bug in here: I cannot restore a > dump > > effectively... Running CLUSTER or VACUUM FULL does not make any > sense to > > me in here. > > Oh, wait. What you need is this patch: > > 2010-06-06 23:01 itagaki

Re: [GENERAL] On-disk size of db increased after restore

2010-09-04 Thread yj2133011
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Re: [GENERAL] On-disk size of db increased after restore

2010-09-04 Thread Devrim GÜNDÜZ
Hi, On Fri, 2010-09-03 at 11:29 -0400, Tom Lane wrote: > > I'm confused. I'm still seeing a bug in here: I cannot restore a > > dump effectively... Running CLUSTER or VACUUM FULL does not make any > > sense to me in here. > > Oh, wait. What you need is this patch: > > 2010-06-06 23:01 itagaki

Re: [GENERAL] On-disk size of db increased after restore

2010-09-03 Thread Tom Lane
Devrim =?ISO-8859-1?Q?G=DCND=DCZ?= writes: > On Fri, 2010-09-03 at 09:41 -0400, Tom Lane wrote: >>> This is 8.4.4 btw... >> >> OK, so the bug is fixed, but you still have fillfactor = 0 on the >> affected table. > I'm confused. I'm still seeing a bug in here: I cannot restore a dump > effectivel

Re: [GENERAL] On-disk size of db increased after restore

2010-09-03 Thread Devrim GÜNDÜZ
On Fri, 2010-09-03 at 09:41 -0400, Tom Lane wrote: > > This is 8.4.4 btw... > > OK, so the bug is fixed, but you still have fillfactor = 0 on the > affected table. I'm confused. I'm still seeing a bug in here: I cannot restore a dump effectively... Running CLUSTER or VACUUM FULL does not make any

Re: [GENERAL] On-disk size of db increased after restore

2010-09-03 Thread Tom Lane
Devrim =?ISO-8859-1?Q?G=DCND=DCZ?= writes: > On Thu, 2010-09-02 at 13:22 -0400, Tom Lane wrote: >> Devrim, have you identified yet which tables have the bloat? Are they >> the ones with tweaked autovacuum parameters? > That's it. > On prod server, that table consumes 50 GB disk space, and on t

Re: [GENERAL] On-disk size of db increased after restore

2010-09-02 Thread Devrim GÜNDÜZ
Hi, On Thu, 2010-09-02 at 13:22 -0400, Tom Lane wrote: > Devrim, have you identified yet which tables have the bloat? Are they > the ones with tweaked autovacuum parameters? That's it. On prod server, that table consumes 50 GB disk space, and on the backup machine, it uses 148 GB. I applied cu

Re: [GENERAL] On-disk size of db increased after restore

2010-09-02 Thread Tom Lane
Alvaro Herrera writes: > Excerpts from Devrim GÜNDÜZ's message of mié sep 01 17:39:55 -0400 2010: >> On Wed, 2010-09-01 at 17:32 -0400, Tom Lane wrote: >>> But are you sure there aren't some fillfactor tweaks in there too? >> >> I'm sure. fillfactor related changes are on the radar, but I did

Re: [GENERAL] On-disk size of db increased after restore

2010-09-02 Thread Alvaro Herrera
Excerpts from Devrim GÜNDÜZ's message of mié sep 01 17:39:55 -0400 2010: > On Wed, 2010-09-01 at 17:32 -0400, Tom Lane wrote: > > But are you sure there aren't some fillfactor tweaks in there too? > > I'm sure. fillfactor related changes are on the radar, but I did not > commit them yet... Maybe

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Devrim GÜNDÜZ
On Wed, 2010-09-01 at 16:59 -0400, Tom Lane wrote: > It would help if Devrim could break down the bloat to the level of > individual tables/indexes. While setting up this data (by anonymizing table names, etc), I saw that almost all relations are smaller on backup server, as compared to prod. Yea

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Devrim GÜNDÜZ
On Wed, 2010-09-01 at 17:32 -0400, Tom Lane wrote: > But are you sure there aren't some fillfactor tweaks in there too? I'm sure. fillfactor related changes are on the radar, but I did not commit them yet... -- Devrim GÜNDÜZ PostgreSQL Danışmanı/Consultant, Red Hat Certified Engineer PostgreSQL

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Tom Lane
Devrim =?ISO-8859-1?Q?G=DCND=DCZ?= writes: > Alvaro, this may be a stupid question but: I enabled custom autovac > settings for some tables. These changes are included in the dump. May > this affect on-disk size? Doesn't seem likely that that would matter to the state immediately after restoring;

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Devrim GÜNDÜZ
On Wed, 2010-09-01 at 16:50 -0400, Alvaro Herrera wrote: > Devrim didn't specify the platform on each server AFAICS. Both are Red Hat /CentOS 5.5, x86_64, running with identical software versions... I first inclined to blame LVM+storage, however I could duplicate this issue on local disks, too. T

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Tom Lane
Alvaro Herrera writes: > Excerpts from Richard Huxton's message of mié sep 01 16:39:55 -0400 2010: >> OK - so not fillfactor and not some unicode-related padding. I can't see >> how a 32 vs 64-bit architecture change could produce anything like a >> doubling of database size. > Depending on ta

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Alvaro Herrera
Excerpts from Richard Huxton's message of mié sep 01 16:39:55 -0400 2010: > OK - so not fillfactor and not some unicode-related padding. I can't see > how a 32 vs 64-bit architecture change could produce anything like a > doubling of database size. Depending on table schemas, why not? e.g. con

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Richard Huxton
On 01/09/10 21:32, Devrim GÜNDÜZ wrote: On Wed, 2010-09-01 at 21:13 +0100, Richard Huxton wrote: Could you have changed the fillfactor on some big tables/indexes in the live database after populating them? Nope. Even a pg_dump -h prod|psql backup_node resulted with the same issue Is the lo

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Devrim GÜNDÜZ
Hi, On Wed, 2010-09-01 at 21:13 +0100, Richard Huxton wrote: > > Could you have changed the fillfactor on some big tables/indexes in > the live database after populating them? Nope. Even a pg_dump -h prod|psql backup_node resulted with the same issue > Is the locale the same on each machine/db

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Richard Huxton
On 31/08/10 22:17, Devrim GÜNDÜZ wrote: I have seen the opposite of this tons of times before, but I haven't seen an increase after restore before. Does anyone know what may cause this? Where should I look at? Could you have changed the fillfactor on some big tables/indexes in the live databas

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Thom Brown
2010/9/1 Devrim GÜNDÜZ : > On Tue, 2010-08-31 at 18:08 -0600, Scott Marlowe wrote: >> ny chance you've restored to different dbs >> and have two copies?  Or double the data in one db? > > Nope. This is a single database, and I restored only once.. # of rows in > tables match to the ones in prod...

Re: [GENERAL] On-disk size of db increased after restore

2010-09-01 Thread Devrim GÜNDÜZ
On Tue, 2010-08-31 at 18:08 -0600, Scott Marlowe wrote: > ny chance you've restored to different dbs > and have two copies? Or double the data in one db? Nope. This is a single database, and I restored only once.. # of rows in tables match to the ones in prod... -- Devrim GÜNDÜZ PostgreSQL Danı

Re: [GENERAL] On-disk size of db increased after restore

2010-08-31 Thread Scott Marlowe
2010/8/31 Devrim GÜNDÜZ : > > I tried to restore one of our db backups to 3 different machines today. > > After restore, all machines reported larger on-disk size, and also > psql's \l+ confirmed that. > > Here is the live machine: > On-disk size: 84 GB > Size reported by psql: 79 GB > > Backup mac