On 25 October 2017 at 22:07, Max Englander <[email protected]> wrote:
> I finally got around to working on this, and ended up using the steps > outline here > <https://groups.google.com/forum/#!topic/h2-database/2EC0BxM9hsc>, which > worked great for my purposes. > > Using "SET EXCLUSIVE 2" and "CHECKPOINT SYNC" turns out to be necessary; > without, I run into sporadic issues, e.g. tables not being found, missing > triggers, etc. > > There are still some things I don't quite understand, such as: > > 1. Why exactly the absence of "SET EXCLUSIVE" and "CHECKPOINT SYNC" > occasionally results in failures? I think that I am being diligent about > terminating existing operations to the primary database before copying. > Perhaps there's no easy/obvious answer here. > > there is a background writer which has probably not finished flushing it's state to the file system > > 1. What exactly is the different between the "*FS" class of databases > and the "mem" database? > > in-memory vs on-disk > > 1. Is it possible to backup and restore to a "mem" database similar to > "*FS" databases, e.g. with {input,output} streams? What part of the code > base is responsible for "mem" databases? > > yes. It's in the same place as the other FilePath stuff. Although there are a couple of places where we special-case in-memory stuff. > > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
