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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

ObjectDB Object Database Features

and fault tolerance. Online Backup Online backup by a simple query on an EntityManager

Replication Question

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

Failover from Master to Slave

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

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

Server connection management

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

Soft Reference Object Cache Recommendation

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

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

ArrayIndexOutOfBoundsException with enhanced Entity

the last build? support Support hi, yes, my fault sorry. I've been using 2.2.8 as well as I've tried

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

, for sure our fault, doctor 2.6.7 directly after that to clean up - then we had the crash last week Now

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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