Re: [PERFORM] Can't explain db size

2015-12-17 Thread Matteo Grolla
also, serializable_value is of type bytea 2015-12-17 16:12 GMT+01:00 Matteo Grolla : > have news, > the pg version is 9.1.3 > a vaccum full, not a plain vaccum, was performed. > o.s. is red hat 7 > filesystem: xfs with block size 4k > > could it be a

Re: [PERFORM] Can't explain db size

2015-12-17 Thread Matteo Grolla
have news, the pg version is 9.1.3 a vaccum full, not a plain vaccum, was performed. o.s. is red hat 7 filesystem: xfs with block size 4k could it be a problem regarding the block size? thanks 2015-12-15 12:11 GMT+01:00 Matteo Grolla : > Thanks Andreas, >

Re: [PERFORM] Estimation row error

2015-12-17 Thread Matteo Grolla
Thank you both for the help! happy holidays 2015-12-17 10:10 GMT+01:00 Mathieu VINCENT : > thks Gunnar, > > I removed the correlation between t3.c1 and t3.c2 in this sql script : > > drop table if exists t1; > drop table if exists t2; > drop table if exists t3; > drop table if exists t4; > > crea

Re: [PERFORM] Can't explain db size

2015-12-15 Thread Matteo Grolla
Thanks Andreas, Il try 2015-12-15 11:07 GMT+01:00 Andreas Kretschmer : > Matteo Grolla wrote: > > > > > ---Questions > > > > 1) Can you explain me the big difference between the result in A for > table > > alf_node_properties: 17G

[PERFORM] Can't explain db size

2015-12-15 Thread Matteo Grolla
Hi, I hope you can help me understand why the db is so big and if there's anything I can do. It's the DB of an Enterprise Content Management application, Alfresco. Here are some data I collected, after executing a vaccum from pg admin. A) Largest tables sizes relation total_size SELECT nspn