Questions tagged [data-replication]
Maintaining a set of identical copies of the same data
37 questions
-2 votes
1 answer
224 views
What is the difference between Eventual Consistency, Strong Eventual Consistency, and Causal Consistency?
I read articles about CRDTs and frequently come across the terms 'Strong Eventual Consistency,' 'Eventual Consistency,' and 'Causal Consistency.' What is the relationship between these consistency ...
3 votes
3 answers
427 views
How to reliably determine changes in a DB table since some sort of "checkpoint"?
My scenario is fairly typical, but I can't figure out a good solution. I have a DB table (in reality several unrelated tables, but let's focus on one) where there is a fair deal of activity going on. ...
0 votes
0 answers
94 views
Data Replication Without Messages
We have a legacy API service and database at my workplace. My team works on a mobile app that uses this API for some particular data. You can think of this as DDD - our service shares some entities ...
1 vote
1 answer
1k views
Full, 2-way table synchronization
I need to synchronize tables of data between two different systems. This is a multi-master setup; data can get changed in either system. After a synchronization runs I'd like the data in each table to ...
2 votes
1 answer
213 views
Can passive and active replication handle byzantine failures?
Currently studying about replication and I was wondering: In Passive replication, we have an agreement stage where the Primary replica manager (RM) waits for ack from the backup RM, wouldn't it be ...
1 vote
0 answers
74 views
Partial database synchronisation across multiple databases
Currently we are looking for a solution to sync databases across multiple locations. We a location hierarchy such as Country -> State -> District -> Center. To increase speed and reliability of the ...
2 votes
1 answer
111 views
How does client connect to replication server in oracle?
I have read couple of articles on google but not sure how DB client for example java application connect to clustered DB. All the articles I read says client will write at master node but will use ...
0 votes
1 answer
1k views
Keeping customer data in sync between master and multiple clients
We have a master system storing customer data. Data is replicated to client systems (channels) at night. During the day data can be updated by users/customers on the master as well as on the clients. ...