Look into Kafka Connect. It does tracking internally in a topic. Works better going from relational to Cassandra.
Still won’t fix your potential data model issue related to skew and wide partitions. Rahul Singh Chief Executive Officer m 202.905.2818 Anant Corporation 1010 Wisconsin Ave NW, Suite 250 Washington, D.C. 20007 We build and manage digital business technology platforms. On Sep 6, 2018, 9:20 AM -0400, sha p , wrote: > Thank you Jeff. > While migration , how can test/validate against Cassandra particularly i am > going for "parallel run". Any sample strategy? > > > Regards, > Shyam > > > On Thu, 6 Sep 2018, 09:48 Jeff Jirsa, <jji...@gmail.com> wrote: > > > It very much depends on your application. You'll PROBABLY want to double > > > write for some period of time - start writes to both Cassandra and > > > Oracle, and then ensure they're both in sync. Once you're sure they're > > > both in sync, move your reads from Oracle to Cassandra. > > > > > > > > > > > > > On Wed, Sep 5, 2018 at 8:58 PM sha p <shatestt...@gmail.com> wrote: > > > > > Hi all, > > > > > Sir how should I keep track of the data which is moved to Cassandra , > > > > > what are the best strategies available? > > > > > > > > > > Regards, > > > > > Shyam > > > > > > > > > > > On Wed, 5 Sep 2018, 18:51 sha p, <shatestt...@gmail.com> wrote: > > > > > > > > > > > > > > > > > Hi all , > > > > > > > > > Me new to Cassandra , i was asked to migrate data from Oracle > > > > > > > > > to Cassandra. > > > > > > > > > Please help me giving your valuable guidance. > > > > > > > > > 1) Can it be done using open source Cassandra. > > > > > > > > > 2) Where should I start data model from? > > > > > > > > > 3) I should use java, what kind of jar/libs/tools I need use > > > > > > > > > ? > > > > > > > > > 4) How I decide the size of cluster , please provide some > > > > > > > > > sample guidelines. > > > > > > > > > 5) this should be in production , so what kind of things i > > > > > > > > > should take care for better support or debugging tomorrow? > > > > > > > > > 6) Please provide some good books /links which can help me in > > > > > > > > > this task. > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks in advance. > > > > > > > > > Highly appreciated your every amal help. > > > > > > > > > > > > > > > > > > Regards, > > > > > > > > > Shyam
