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ObjectDB supports master-slave replication ( cluster ). When replication (or clustering ) is used ... / Write operations. The other (slave) nodes in the cluster manage identical copies of the same database ... ;propagated to the slave databases, keeping all the slave databases in the cluster synchronized

of the performance problem. The ObjectDB cluster may be a distributed database, I guess. But I dont know ... Hbase and ObjectDB clustering ? TIA   gzdillon Lai Yang ObjectDB supports master-slave cluster ... all the servers. All the servers in an ObjectDB cluster maintain a full copy of the database. In HBase

If I create a replicated database cluster as per http://www.objectdb.com/java/jpa/tool/replication ... and SlaveDB in the cluster . If MasterDB goes offline the application will automatically switch ... all the committed updates to the slave. There are solutions that enable full cluster even with the ability to write

is described on this manual page . You can use it for a cluster of database servers, with one read

replication of ObjectDB databases in a master-slave cluster . A  element is only required on the slave server to define the replicated slave database. More details on replication are provided on the Database Replication and Clustering page.

for Object Clustering Entity objects are physically stored in the database ordered by their primary key. Sometimes it is useful to choose a primary key that helps clustering entity objects in the database

How to minimize downtime at clustering.

Hi, We are facing below issue in objectdb clustering . Currently in objectdb clustering  when master server is down ,in slave server during update operation in table getting below issues. Failed ... ! objdbuser In ObjectDB clusters  slave databases are read only (see this documentation page

can understand. Also I am assuming the cluster is not designed for spreading out the load, because according ... that ODB Clustering is: -  Only for the purpose of data redundancy?(e.g. my data is constantly

problems trying to cluster the data. Is there a way to cluster embedded objectdb? Perhaps some kind

Hi, We have several services in our app framework that we want to use a cluster singleton. Our approach to this was to use Objectdb's pessimestic locking. This seems to work, but if the owner ... want to use Pessimistic Lock as a way of enforcing a cluster wide singleton of services, a pessimistic

and all writes fails. I was thinking about special version of one master / one slave only cluster ... whole cluster . One of possible solution is to choose the one with higher "transaction" or "log

Hello , I've read some docs : http://biemond.blogspot.com/2010/04/super-fast-jpa-with-mysql- cluster -and.html http://dev.mysql.com/doc/ndbapi/en/mccj-using-jpa.html http://ocklin.blogspot.com/2009/12/java-and-openjpa-for-mysql- cluster _14.html These documents telling us they did native JPA

Hello there, Just wanted to know what are the limits (128TB) for a single instance. is sharding/ clustering possible to increase this limit also what is the best way to design a db (what order ... (128TB) for a single instance. is sharding/ clustering possible to increase this limit 128TB

\Ce\Desktop\ProteoB\ProteoApp\build\ cluster \modules\ext\log\odb20110921.log (The filename, directory ... a new file 'file:\C:\Users\Ce\Desktop\ProteoB\ProteoApp\build\ cluster \modules\ext\log\odb20110921.log

size? Does clustering (master-slave) apply also to attachments?  Thank you, David dmarko David ... Java to 2GB so you will have to split larger attachments in your object model (if any). Clustering

. clustering .infinispan.subsystem] (Controller Boot Thread) Activating Infinispan subsystem. 13:49:23,900 ... . clustering .infinispan.subsystem] (Controller Boot Thread) Activating Infinispan subsystem. 11:53:35,388 INFO

Subsystem 13:52:02,005 INFO  [org.jboss.as. clustering .infinispan] (ServerService Thread Pool -- 31

+ instead of creating a 2 TomEE+ frontend servers cluster with ObjectDB server as a backend DB? 

ObjectDB 2.1 has been released and it includes important additions and fixes: Added Online Backup utility ( issue #16 ). Added Master-Slave  Replication / Clustering (issue #17 ). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects

I've got a master/slave cluster set up with just a master and a slave.  I can connect to the master with a client app no problem.  My slave can connect to the master and replicate no problem.  But when I use a client app to connect to the slave like this: objectdb://slaveserverurl

Subsystem 04:56:02,079 INFO [org.jboss.as. clustering .infinispan] (ServerService Thread Pool -- 31

, so I see it more like an excuse in your case. Take a look at MySql / MySql Cluster for example

Hi, we are trying to switch from embedded mode to client-server to support database clustering , and we are now facing following issue. Object DB server is creating too many sockets. Currently the ObjectDB Server process has 3895 opened files, and from that number 3823 are opened sockets

[org.jboss.as. clustering .infinispan] (ServerService Thread Pool -- 31) JBAS010280: Activating

.entity.CacheableJobInfo.getPrimaryKey(CacheableJobInfo.java:828) at eu.ysoft.cache. cluster .bucket.Bucket.add(Bucket.java:36) at com.ysoft.cache.objectdb. cluster .bucket.ObjectCacheDBBucketManager$BucketSynchronizer.fillBucket(ObjectCacheDBBucketManager.java:154) at com.ysoft.cache.objectdb. cluster

.something).  The issue I reported as #206 started within a few days, and occurred in clusters

Added Online Backup utility ( issue #16 ). Added Master-Slave  Replication / Clustering (issue #17 ). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects (included in the download). Added support of disabling optimistic locking

( clustering ) is now implemented in ObjectDB 2.1. support Support

problems trying to cluster the data.   It would be really useful if some kind of new external