On 07 Nov 2014 03:42:44 -0800, "af_12...@yahoo.com [firebird-support]" <firebird-support@yahoogroups.com> wrote: > >Based on your link below, you are confusing the specific problems of >>running on an active directory server with a problem with the windows >>>filesystem cache on 64 bit windows. An issue that has been addressed in
> Firebird 2.5.2. > > that problem is about Firebird , and with that newer versions from 2.5.x > to 3 is solved?! > but the "solution" was made just by modifing the code of FB > or becouse it's needed a specific configuration? The details are in the blog post you linked to. The way Firebird used to open the database file combined with the way the windows filesystem cache works caused the filesystem cache to use too much memory, which caused swapping of other process which leads to decreased performance. > >If you have no other choice, >>then at least make sure you are running on a different *physical* disk >>then the datastore of active directory (although that is still no >>guarantee for good performance). > > yes that would be my case , my small customers could not make that effort > to have 2 servers > we are speaking of lan of 3/5 customers. > > anyway, using a different physical you know that the performance will be > the "standard ones" ? Not 100% sure. > phisical disk cold be also a "partition" from the same HDD ? No, with physical disk I really mean a separate harddrive (or SSD). Mark
