On 01/12/17 13:00, Vlad Khorsun wrote: > 12.01.2017 10:24, Alex Peshkoff wrote: >> On 01/11/17 23:35, Vlad Khorsun wrote: >> >>>>> I do it easily. AST thread is blocked at >>>>> Database::Sync::lock on syncMutex.enter() despite of a lot of checkouts >>>>> in worker >>>>> thread. >>>> Hmm... From posix POV that's a bug but certainly windows calls may have >>>> different rules. May be it makes sense to increase thread's priority >>>> when it's going to deliver AST? >>> I did it in AstContextHolder - not helps. I see blocked thread with >>> highest priority... >>> I plan to try to change syncMutex by Event or Mutex (currently it is >>> Critical Section) >>> and see if it helps > Mutex seems to fix the issue
May be Critical Section does not promise fair scheduling? ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
