Re: [PERFORM] SSD performance

2009-01-30 Thread Scott Carey
On 1/23/09 3:35 AM, "da...@lang.hm" wrote: http://techreport.com/articles.x/15931/1 one thing that both of these reviews show is that if you are doing a significant amount of writing the X-25M is no better than a normal hard drive (and much of the time in the middle to bottom of the pack compa

Re: [PERFORM] Using multiple cores for index creation?

2009-01-30 Thread Scott Carey
It may not be that possible with your schema, but when I had to restore a 2.5TB database (with plenty fast I/O, it was never I/O bound) I used 3 or 4 copies of pg_restore operating on different tables. With the -Fc option, like a plain dump you can have it restore just certain schemas or tables

Re: [PERFORM] Poor plan choice in prepared statement

2009-01-30 Thread Scott Carey
>da...@lang.hm writes: >> the poster who started this thread had a query where the parsing phase >> took significantly longer than the planning stage. > That was an anecdote utterly unsupported by evidence. regards, tom lane The issue of prepared statements having atrociou