On Fri, Jul 20, 2012 at 11:23 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Lonni J Friedman <netllama@xxxxxxxxx> writes: >> On Fri, Jul 20, 2012 at 11:05 AM, Ilya Ivanov <forn@xxxxxx> wrote: >>> I have a 8.4 database (installed on ubuntu 10.04 x86_64). It holds Zabbix >>> database. The database on disk takes 10Gb. SQL dump takes only 2Gb. > >> Its not entirely clear what behavior you expect here. Assuming that >> you're referring to running pg_dump, then you should just about never >> expect the size of the resulting dump to be equal to the amount of >> disk space the database server files consume on disk. For example, >> when I pg_dump a database that consumes about 290GB of disk, the >> resulting dump is about 1.3GB. This is normal & expected behavior. > > The fine manual says someplace that databases are commonly about 5X the > size of a plain-text dump, which is right in line with Ilya's results. > Lonni's DB sounds a bit bloated :-(, though maybe he's got an atypically > large set of indexes. I do have a lot of indices. Also, I'm using a lot of partitions, so there are a relatively large number of tables. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
