Re: [GENERAL] Estimating WAL usage during pg_basebackup

2014-11-25 Thread Sameer Kumar
On Fri, Oct 31, 2014 at 2:52 AM, Mike Blackwell wrote: > I need to get an idea of how much WAL space will be required during a long > (many hours) pg_basebackup over a relatively slow network connection. This > is for a server that's not yet running PITR / streaming. > > Any thoughts? > ​You ma

Re: [GENERAL] Estimating WAL usage during pg_basebackup

2014-10-30 Thread Soni M
This is hard to tell, but You can get some estimation. 1. You can have WAL rate estimation from pg_xlog/ dir, i.e. How many WAL generated per minutes 2. How long this pg_basebackup will last. Lets say for 3 hours. Then You can multiple values in #1 and #2 to get rough estimation. Hope this would h

[GENERAL] Estimating WAL usage during pg_basebackup

2014-10-30 Thread Mike Blackwell
I need to get an idea of how much WAL space will be required during a long (many hours) pg_basebackup over a relatively slow network connection. This is for a server that's not yet running PITR / streaming. Any thoughts? * *