Re: [Firebird-devel] Planning the post v3 development

[Dimitry S. <sd...@ib...>]

29.04.2014 11:07, Alex wrote:
> On 04/29/2014 12:49 PM, Dimitry Sibiryakov wrote:
>
>>      May be stop separate metadata cache at all and use ordinary data cache for reading
>> system tables directly every time.
>
> And have prepare time increased many times...
> Not an option due to performance reasons.

   System tables are likely to be in cache all the time. Besides, it is enough to check 
whether RDB$RECORD_VERSION still match value remembered in transaction metadata cache object.
--
   WBR, SD.