Take a look at Transaction Listener - the tranaction listener can get all of the objects in the transaction. That could then be put into a transaction object that gets transmitted over wan as single message. Just do a put of all that you need to another region.
Just a thought. On Fri, Jan 17, 2020 at 1:36 PM Alberto Bustamante Reyes <alberto.bustamante.re...@est.tech> wrote: > Thanks for your answers, thats what I understood from documentation. > > Then I see a potential point of failure. If a transaction in site-1 is not > completely sent to site-2, you have to ensure that applications using the > inconsistent data of site-2 are able to detect that or are prepared to > handle it. > > After reading the documentation, I was wondering if it could be possible > to send all events of a transaction using the same dispatcher thread of a > serial sender with "partition" policy taking into account that regions > involved on the transaction are colocated. Doing this, each batch of events > sent would contain almost only complete transactions. > > BR/ > > Alberto > ------------------------------ > *De:* Eric Shu <e...@pivotal.io> > *Enviado:* viernes, 17 de enero de 2020 19:35 > *Para:* user@geode.apache.org <user@geode.apache.org> > *Asunto:* Re: WAN replication of transactions > > The transaction is not supported across the wan sites. > > If inconsistent state occurred due to a network problem between the wan > sites, the inconsistency would exist during the network outage. However, > once the network problem is resolved, the wan gateway would resume sending > the events again. Two sides would be eventually consistent. > > The persistence and redundancy mentioned by Anil would be useful if the > senders are down (HA scenario). > > Regards, > Eric > > On Fri, Jan 17, 2020 at 6:48 AM Anilkumar Gingade <aging...@pivotal.io> > wrote: > > Currently in Geode events are not transactional (WAN events, Client/server > subscription events). To enable guaranteed event delivery It provides > capability like persistence and redundancy. > > -Anil. > > On Fri, Jan 17, 2020 at 3:01 AM Alberto Bustamante Reyes > <alberto.bustamante.re...@est.tech> wrote: > > Hi all, > > I have a question about transactions and WAN replication. If a transaction > generates an event for each operation, is it possible to ensure that those > operations are received together on the other site? > > There is a risk of having a site with an inconsistent state if there is a > network problem. Lets say you have two sites, and communication between > them is broken when not all events of a transaction on site 1 where sent to > site 2. How are you dealing with this risk? Have someone experimented this? > > Thanks, > > BR/ > > Alberto > > > -- Charlie Black | cbl...@pivotal.io
