On 04/03/12 12:49, Dimitry Sibiryakov wrote: > 03.04.2012 10:44, Vlad Khorsun wrote: >> To not read whole database searching >> for the not encrypted pages after restart i offer to store last encrypted >> page number >> at header page (also, obviously, we need to store encription state on the >> header >> such as "clear", "encrypted", "encryption is in progress", "decryption is in >> progress"). > Do you suggest to write header page after writing of every single > encrypted page, thus > doubling I/O?..
This may be done once per N pages (with N = 1024 for example). To continue with encryption engine searches inside that N pages for not encrypted yet. ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
