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42

Database Replication and Clustering

ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used, the same database is managed on multiple machines (nodes), possibly in different geographic locations. This could help in achieving high availability, fault tolerance and prompt disaster recovery. In
42

ObjectDB Object Database Features

database connections for high availability and fault tolerance. Online Backup Online backup by a simple
21

Replication Question

availability and fault tolerance? Unless the application is read only and no write, as long as the master goes
21

Failover from Master to Slave

about fault tolerance. I cannot discuss exactly the scenario because the client work I
6

CAP theorem and object DB

Can someone please explain ObjectDB falls into which category of CAP theorem ? C : Consistency, A: Availability , P : Partition Tolerance Example: CA ==> SQL Server, Oracle, Sybase, MySQL CP ==> MongoDB, HBase, Redis, MemCache AP ==> Cassandra, CouchDB, DynamoDB is ObjectDB fall under CA category
4

Soft Reference Object Cache Recommendation

on to memory when it should be freed? We are always open to check possible faults and fix
4

Server connection management

it would help in finding the problem. support Support Apologies - this was my fault. Your example
1

Entity field renaming does not work

Hello, we use the ObjectDB version 2.8.5_05. We want to rename a field in an entity and it does not work: from: package com.btc.ep.analysis.verdict.tolerance.bl.internal.dmos; @Entity @Access ... .tolerance.bl.internal.dmos">     <class name="ToleranceDeviationImpl
0

Use temporary files to enable very large transactions

of this database. This enables us to repeatedly commit on the second database and in case of a fault
0

com.objectdb.o._PersistenceException: Failed to locate set method for field property using reflection

the data - clearly my fault not ObjectDB's. However the error message Failed to locate set method

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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