Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Vlad Khorsun
>>> So, what I'm saying is that MaxFileSystemCache may be useful for classic >>> as well, in some situations. I haven't tried it though. Still on 2.1. >> >> And you speak about FileSystemCacheSize setting which was introduced >> in v2.5 and allows to limit size of file system cache. This is sy

Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Dmitry Kuzmenko
Hello, Thomas! Friday, June 10, 2011, 3:28:25 PM, you wrote: TS> I'm confused now. ;-) I don't find FileSystemCacheSize in firebird.conf, TS> thus I guess it isn't a V2.5 setting? maybe you rewrote FB 2.5 firebird.conf with an old one? #FileSystemCacheSize = 30 is there. TS> So, in respect to m

Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Thomas Steinmaurer
> Den 2011-06-10 11:11 skrev Pavel Cisar såhär: >>> MaxFileSystemCache is intended for use with SuperServer, where really >>> big FB cache on top of file system cache could be counter productive. >>> Classic and SuperClassic work with very small FB cache (to conserve >>> memory and lower IPC traffi

Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Vlad Khorsun
Den 2011-06-10 11:11 skrev Pavel Cisar såhär: >> MaxFileSystemCache is intended for use with SuperServer, where really >> big FB cache on top of file system cache could be counter productive. >> Classic and SuperClassic work with very small FB cache (to conserve >> memory and lower IPC traffic to s

Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Kjell Rilbe
Den 2011-06-10 11:11 skrev Pavel Cisar såhär: > MaxFileSystemCache is intended for use with SuperServer, where really > big FB cache on top of file system cache could be counter productive. > Classic and SuperClassic work with very small FB cache (to conserve > memory and lower IPC traffic to synch

Re: [Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Pavel Cisar
Dne 10.6.2011 10:41, Thomas Steinmaurer napsal(a): > Hello, > > has anybody run or has evidence on what type of caching should be > preferred in a high-load environment via the MaxFileSystemCache > firebird.conf parameter? > > Basically, I'm investigating different things on how to get the best

[Firebird-devel] File system cache vs. Firebird page cache?

2011-06-10 Thread Thomas Steinmaurer
Hello, has anybody run or has evidence on what type of caching should be preferred in a high-load environment via the MaxFileSystemCache firebird.conf parameter? Basically, I'm investigating different things on how to get the best ouf of Firebird via configuration stuff (firebird.conf, page bu