You were right, after zipping the dump file it came out to 6.9G Thanks for your help.
thanks Deepak On Tue, Feb 2, 2010 at 3:20 PM, Scott Marlowe <scott.marl...@gmail.com>wrote: > On Tue, Feb 2, 2010 at 4:07 PM, DM <dm.a...@gmail.com> wrote: > > Hi All, > > I have a database with only one schema with 5 tables > > nspname | relname | size > > ---------+---------------------+--------- > > sch | job1 | 211 MB > > sch | job2 | 5611 MB > > sch | job3 | 6584 kB > > sch | job4 | 89 MB > > sch | job5 | 39 MB > > Total sum of sizes of the table is less than 6 GB. > > When I do a pg_dump of this database it is 20GB (I also did a pg_dump of > > only schema data and the size was still the same). I am using postgres > 8.4.1 > > version. > > Could any one explain why the pg_dump size of the file is 3 times the > size > > of the tables? > > Your database is likely full of easily compressed text, which > postgresql automagically compresses inline when storing it and > decompresses when it retrieves it. To see if this is the case, try > zipping or gzipping or bzip2ing the dump file and see if it comes out > to something less than or about 6Gigs. >