Re: [jbosscache-dev] NBST + persistent state

Manik Surtani wrote: > Hi guys > I might have found a potential flaw in the NBST impl that we have. > The way it works, transient state is written to the stream, and > when this is done, the tx log is flushed. When the tx log is > small, a FLUSH is requested and then the remaining tx log is written. > But the flush isn't lifted here - the flush is only lifted once the > state transfer process is complete, and in between these 2 events > is the generation, streaming and storing of persistent state. > Which is potentially much bigger than transient state, and could > mean that the flush is in place for much longer than expected. Any > thoughts here, Jason? Perhaps a solution would be to stream > persistent state before the tx log is flushed? Could lead to wacky > stream multiplexing on the receiver's end though. That is how it is already implemented: transient state persistent state tx log - log write - flush - log write - end flush