Tom Lane wrote: > Magnus Hagander <[EMAIL PROTECTED]> writes: >> Not having looked at md.c (I confess...) but don't we have a problem in >> case we have closed the file without fsyncing it, and then change the >> fsync parameter? > > Well, we don't promise to retroactively fsync stuff we didn't before; > and I wouldn't expect that to happen if I were changing the setting. > What I *would* expect is that the system immediately starts to act > according to the new setting, and that's not true as the code stands. > > As you say, the whole thing is pretty dubious from a data safety > standpoint anyway. What I am concerned about here is people trying to > compare performance measurements under different settings, and not being > aware that the system's behavior doesn't change when they tell it to.
Well, if they're running a performance measure that generates <16Mb data, I don't think they'll get very usable numbers anyway... //Magnus -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers