Re: [GENERAL] overhead of "small" large objects

2000-12-11 Thread Denis Perchine
> > Is there significant overhead involoved in using large objects that > > aren't very large? > > Yes, since each large object is a separate table in 7.0.* and before. > The allocation unit for table space is 8K, so your 10K objects chew up > 16K of table space. What's worse, each LO table has a

Re: [GENERAL] overhead of "small" large objects

2000-12-10 Thread Tom Lane
Philip Crotwell <[EMAIL PROTECTED]> writes: > Is there significant overhead involoved in using large objects that aren't > very large? Yes, since each large object is a separate table in 7.0.* and before. The allocation unit for table space is 8K, so your 10K objects chew up 16K of table space.

[GENERAL] overhead of "small" large objects

2000-12-10 Thread Philip Crotwell
Hi I'm putting lots of small (~10Kb) chunks of binary seismic data into large objects in postgres 7.0.2. Basically just arrays of 2500 or so ints that represent about a minutes worth of data. I put in the data at the rate of about 1.5Mb per hour, but the disk usage of the database is growing at