About cluster

manual

Database Replication and Clustering

Replication enables maintaining up to date version of an ObjectDB database on multiple nodes. ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used, the same database is ... Read / Write operations. The other (slave) nodes in the cluster manage identical copies of the same database, which are limited to READ ...

 
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ObjectDB Clustering VS Hadoop Hbase

The Hbase is an open source distributed database on Hadoop, it is robust regardless of the performance problem. The ObjectDB cluster may be a distributed database, I guess. But I dont know whether it has only one entry, or each node has an entry. Could you please explain the difference between Hbase and ObjectDB clustering? TIA   ... robust regardless of the performance problem. The ObjectDB cluster may be a distributed database, I guess. But I dont know whether it has ... ObjectDB supports master-slave cluster, in which WRITE requests are served by one master server and READ ...

 
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Replicated cluster recovery

If I create a replicated database cluster as per http://www.objectdb.com/java/jpa/tool/replication what is the behaviour of the master database after a failure? For example, say I have MasterDB and SlaveDB in the cluster. If MasterDB goes offline the application will automatically switch to SlaveDB. When MasterDB comes back online it will have missed any activity that occured during the downtime. ... If I create a replicated database cluster as per http://www.objectdb.com/java/jpa/tool/replication what is the ... For example, say I have MasterDB and SlaveDB in the cluster. If MasterDB goes offline the application will automatically switch to ...

 
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ObjectDb Supports Clustering of Servers?

Hi,     I am new to ObjectDb. we have a scenario where we deploy the same application in more than one linux (Jobss) servers. In this case user request can go to any server depends on the availability of the servers (This is for load balancing ). As of now we are using Oracle + Hibernate + JPA , as Oracle is shared data there was no problem. ... on this manual page . You can use it for a cluster of database servers, with one read / write master and several read only ...

 
manual

JPA Primary Key

Explains how to define and use primary keys in JPA, including composite and embedded primary keys. Every entity object that is stored in the database has a primary key. Once assigned, the primary key cannot be modified. It represents the entity object as long as it exists in the database. As an object database, ObjectDB supports implicit o ...

 
manual

Server Configuration

Explains how to set a JPA/JDO database server using ObjectDB, the fast Java object database for JPA/JDO.... define replication of ObjectDB databases in a master-slave cluster. A  <replication> element is only required on the slave ...

 
release

2.1.1

Release date: 2011-03-10 Download (3.89 MB) Binary:  objectdb-2.1.1.zip You should start by following a  tutorial or reading the manual ...

 
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Failover from Master to Slave

Good morning! I am interested in ObjectDB for a client project I am currently working on. In order to evaluate your tool I would like to know if your product has the ability to failover from a Master Database to a Slave Database and then recover back to the master when the master comes back online. I don't see any documentation about automatic failover.   Thanks Rich   #1 2014-02-19 18:44 Good morning! I am interested in ObjectDB for a client project I am currently working on. In order to eva ...

 
issue

ObjectDB-ObjectDB Replication

ObjectDB Replication will enable managing the same ObjectDB database using multiple ObjectDB servers / nodes. ... Feature Request Version: Priority: Normal Status: Fixed Replies: 1 Type:  Feature Request ...

 
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ObjectDB version 2.1 has been released

Version 2.1 has been released: #1 2011-02-25 06:25 ObjectDB 2.1 has been released and it includes important additions and fixes: Added Online Backu ...