Re: Utilizing a slice for online migration

2014-05-31 Thread Rick Curtis
uses > Slice, so do not bother". It is not only factually incorrect, it is > inappropriate. > > > > > > > > - > Pinaki Poddar > Chair, Apache OpenJPA Project > -- > View this message in context: > http://openjpa.208410.n2.nabble.com/Utilizing-a-slice

Re: Utilizing a slice for online migration

2014-05-31 Thread Pinaki Poddar
where Slice writes the same record to multiple databases for @Replicated types) -- you can use it for online migration. Regards -- - Pinaki Poddar Chair, Apache OpenJPA Project -- View this message in context: http://openjpa.208410.n2.nabble.com/Utilizing-a-slice-for-online-migration

Re: Utilizing a slice for online migration

2014-05-31 Thread Pinaki Poddar
: "Nobody uses Slice, so do not bother". It is not only factually incorrect, it is inappropriate. - Pinaki Poddar Chair, Apache OpenJPA Project -- View this message in context: http://openjpa.208410.n2.nabble.com/Utilizing-a-slice-for-online-migration-tp7586062p7586726.html

Re: Utilizing a slice for online migration

2014-03-17 Thread Todd Nine
Hi Rick, Unfortunately I can't seem to use slice, since the Hector JPA plugin is not a JDBC based plugin. I'm now at the point of having 2 entity managers, 1 for Cassandra via Hector JPA, and another with MySQL. Do you know of anyone that has successfully implemented a proxy Entity Manager that

Re: Utilizing a slice for online migration

2014-03-11 Thread Rick Curtis
Todd - > Does anyone have any experience with using the policy in this manner? My general feeling is that not many people are using slice as there has been very little mailing list traffic regarding it's usage. Be sure to let us know how it goes! Thanks, Rick On Sun, Mar 9, 2014 at 12:54 PM, To

Utilizing a slice for online migration

2014-03-09 Thread Todd Nine
Hi all, We're migrating from a Cassandra based JPA adapter to Amazon's RDS. In order to do this, we want a no downtime migration. To do this, we would need the following flow. 1) Start writing to both systems. Cassandra is still the authoritative record, and records are replicated to RDS. All