Hi Dan, Many thanks for the info. I will post any findings after it has been tried out.
Thanks Andrew ________________________________________ From: Dan Haywood <[email protected]> Sent: Sunday, 29 May 2016 4:08 PM To: users Subject: Re: How does Apache Isis deal with "eventual consistency" of databases like Cassandra Hi Andrew, This will depend on how DataNuclues itself is configured. Isis will pass thru all config properties with a certain prefix ("isis.persistor.datanucleus.impl", I think it is) through to DN, so I imagine that you could use that to set the behaviour. Caveat : I'm not aware of anyone in the community using the Isis/dn/cassandra combination. There are some who have used the framework using Neo4J; one of two minor changes were required to the framework to enable that. Can't tell you if it will work out "of the box" with cassandra or whether similar changes might be required. HTH, Dan On 28 May 2016 23:50, "Andrew Voumard" <[email protected]> wrote: > Hi, > > I see that DataNucleus is supported, and that Cassandra is one of the > databases under that. Cassandra runs on the concept of "eventual > consistency", where some errors/exceptions occur, that differ from a > relational DB, see: > > http://www.datastax.com/dev/blog/cassandra-error-handling-done-right > > Will Apache Isis retry, fast fail, etc on the errors relating to"eventual > consistency", described in the link above ?. > > Thanks > Andrew >
