Thanks Sean,
Somehow the thread got split, I'm not sure why.
New box has ext4 with the barrier bit set. On the other part of the thread I
got adviced to check this parameter. It surely helped performance to disable
it.
Is it safe to just disable the barriers bit or should I use ext
aalliana [2012-05-07 15:17] :
Is it safe to just disable the barriers bit or should I use ext 3 filesystem?
from http://kernel.org/doc/Documentation/filesystems/ext4.txt :
When comparing versus ext3,
note that ext4 enables write barriers by default, while ext3 does
not enable write
Hi!
Maybe this is your case : Forced Writes Performance impact on #Ubuntu with
ext4 no barrier
http://www.firebirdnews.org/?p=6421
--- In firebird-support@yahoogroups.com, aalliana aalliana@... wrote:
Hello,
I'm trying to upgrade a box running ubuntu + firebird that has been running
Beautiful!
Thanks for the tip.
After disabling barriers commits that were taking 4 s take virtually no time at
all.
I'm wondering what would the consequences would be if I keep the barriers
disabled on a production environment.
Thanks a lot.
--- In firebird-support@yahoogroups.com, ma_golyo
A couple of clarifications:
1) I'm replacing the old box with a new one.
2) I'm performing all the tests using a copy of the same database file.
--- In firebird-support@yahoogroups.com, aalliana aalliana@... wrote:
Hello,
I'm trying to upgrade a box running ubuntu + firebird that has