Re: [PERFORM] My changes in the postgresql.conf does not work

2013-07-03 Thread David Johnston
David Carpio wrote > I have made some changes in my postgresql.conf, well, I made two changes > in this file. the first time, my queries had improved on their execution > time considerably but in the second change, I seem my queries have not > improved on the contrary they have come back to be s

[PERFORM] My changes in the postgresql.conf does not work

2013-07-03 Thread David Carpio
I have made some changes in my postgresql.conf, well, I made two changes in this file. the first time, my queries had improved on their execution time considerably but in the second change, I seem my queries have not improved on the contrary they have come back to be slow or at best, they have

[PERFORM] [OT] A flash filesystem tuning guide

2013-07-03 Thread Andrea Suisani
Hi all just wanna share a link I've stumbled across today. https://lwn.net/Articles/557220/ quoting the relevant part of the announcement: "This is the culmination of several months of effort, to determine the results of using different tuning options in the Linux kernel, with different files