Re: [Firebird-devel] overload system CPU

[Vlad H. <hv...@us...>]

> There is a performance problem in Firebird-2.1.0.15199-Alpha1 on Classic
> Architerture.

    What is your OS ?

> When 5 stored procedures runs FB acts very slow.
...
> I used a profiler to find out what's the problem and these are results:
> 
> Routine Name           Time        Hit Count
> _switchToThread       110494,94    510463786
> wait_for_request       2276,10        28165
> ISC_event_wait         1483,23        68987
> enterFastMutex         69,65        261523
> PIO_write              64,29        17391
> Firebird::Mutex::enter 31,47        1270326
> lockSharedSection      30,06        543196
> 
> Reverting isc_sync.cpp to 1.103 version and isc.h to 1.28 allow firebird
> to work normal.

    I'll check it

Regards,
Vlad