Subject Re: [firebird-support] why Blob is so slow ?
Author Carlos H. Cantu
LC> It is a little amazing at time when some things work fast on one machine and a
LC> lot slower on another, but the sort of problem you are seeing I would check that
LC> there is not a problem with the hard disc. I've seen that sort of effect when
LC> the controller is having trouble reading a disk. It WILL read the data
LC> eventually, but keeps winding the heads back to '0' and repositioning for each
LC> block read. Replacing the hard disk and restoring the data invariably cleared
LC> the problem. Had it a couple of time now - 'Maxtor' discs have been stripped
LC> from all my customer machines now!

My guess is that the time differences are also related to the
configuration of the file system used in his linux server (ie: barrier
and other params). Kouzmenko and me tested in Windows machines.

Firebird Performance in Detail - -