05.01.2013 19:18, Dimitry Sibiryakov wrote: > 05.01.2013 17:43, Ann Harrison wrote: >> Err, no on three counts. The first is that there was no other activity on >> the database >> that demonstrated 1Tb of writes for a 55Gb database. The second is that >> even if there >> were conflicts, that sweep was done by a SuperServer configuration, so dirty >> pages do not >> go to disk when their lock is released. And finally, even if there were >> conflicts and it >> were a Classic installation, the only time large numbers of pages are forced >> at once is on >> commit. > > It is not quite so. > At first, if GC is in background mode, there are two parallel activity on > database: GC > cleaning up and sweep, reading page by page.
Nope. Background GC is suspended during sweep. > At second, TS didn't name architecture, so it is not necessary > superserver. It was sounded at support list. Regards, Vlad ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122912 Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel