Re: [PERFORM] on disk and in memory

2013-06-25 Thread Albe Laurenz
Jayadevan M wrote: > If a table takes 100 MB while on disk, approximately how much space will it > take in RAM/database > buffer? 100 MB. A block in memory has the same layout as a block on disk. Yours, Laurenz Albe -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)

[PERFORM] on disk and in memory

2013-06-24 Thread Jayadevan M
Hello, If a table takes 100 MB while on disk, approximately how much space will it take in RAM/database buffer? Context - We are designing a database that will hold a couple of GBs of data. We wanted to figure out how much shared_buffers we should provide to ensure that most of the time, all th