On Aug 1 2013 8:00 AM, Michael Haberler wrote: > Am 01.08.2013 um 15:50 schrieb EBo <[email protected]>: > >> On Aug 1 2013 7:45 AM, Dave wrote: >>> On 8/1/2013 7:53 AM, Michael Haberler wrote: >>>> I rule out an RPC server for retrieving a globally-unique serial, >>>> this doesnt scale. >>>> >>> >>> Use a random 32 bit number? >> >> I know that there are lots of systems that have to deal with this >> kind >> of thing. Does anyone know what published algorithms solve these >> issues? > > before choosing an algorithm we need to determine if a total ordering > of serials is needed. > > I would say yes, in particular if several commands might be > outstanding if a queue is involved
I am not sure that the total ordering needs to be calculated before hand -- or if it is even possible (some problems are even driven and you have no way of knowing when or where it will come from other than it can be triggered). I have seen 9p distributed fifo pipes which would likely work for this (assuming I understand the issue correctly). ------------------------------------------------------------------------------ Get your SQL database under version control now! Version control is standard for application code, but databases havent caught up. So what steps can you take to put your SQL databases under version control? Why should you start doing it? Read more to find out. http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
