I belive! We use 20011. When we raised to 20011 performance is much better and memory consume is a little bit more.
I think FB developers must increase a lot the default value, specially with upcoming FB 2.5.3 De: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com] Em nome de Alexey Kovyazin Enviada em: sexta-feira, 21 de fevereiro de 2014 07:38 Para: firebird-support@yahoogroups.com Assunto: Re: [firebird-support] For those who think they have performance problems LockHashSlots to 8191. ;-) We have set 31013. Today situation is much better, users are surprised with +30% speed increase, with 700 active connections: LOCK_HEADER BLOCK Version: 145, Active owner: 0, Length: 75440168, Used: 28721584 Flags: 0x0001 Enqs: 3143976306, Converts: 1574782, Rejects: 253168, Blocks: 6607562 Deadlock scans: 0, Deadlocks: 0, Scan interval: 10 Acquires: 3197419523, Acquire blocks: 673, Spin count: 0 Mutex wait: 0.0% Hash slots: 31013, Hash lengths (min/avg/max): 0/ 2/ 11 Remove node: 0, Insert queue: 0, Insert prior: 0 Owners (736): forward: 1369256, backward: 20828544 Free owners (35): forward: 6090320, backward: 10504960 Free locks (4172): forward: 262208, backward: 20547568 Free requests (14944): forward: 17197144, backward: 3648808 Regards, Alexey Kovyazin IBSurgeon
