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155

Objectdb recovery

Hello, I have question regarding objectdb recovery when objectdb is not finished correctly (power outage). We are using following configuration: <recovery enabled="true" sync="false" path="." max ... written to recovery file (disk)? Can setting sync=true (for recovery) help with this issue
147

Recovery file does not match db file

up, these errors started: ObjectDB 2.3.1_03] javax.persistence.PersistenceException Recovery file ... , which has been fixed in version 2.4.0. Please check if the recovery file (odb$) is empty ... - you should upgrade your server. support Support recovery files aren't completely empty (though are tiny, around 306
143

recovery enabled="false", still creates tablename.odb$ files

Running in embedded mode, configuration specifies "<recovery enabled ="false"... />". Still, tablename.odb$ files get created, and if still present after an abrupt stop, the application will not restart properly. What do we need to do to not utilize recovery files (not have orphan tablename.odb
140

best practice for DB recovery

Hi, I'm trying to come up with the best approach for supporting some kind of hot standby for my master DB. Basically, I have the master DB running with recording and recovery enabled and have a number of applications connecting to it. I realize that I'm able to stand up read only replications
132

Replicated cluster recovery

Replicated cluster recovery
132

Recovery + recording

Recovery + recording
89

Database Management Settings

<database> element: <database> <size initial="256kb" resize="256kb" page="2kb" /> <recovery ... for most applications. The <recovery> element <recovery enabled="true" sync="false" path="." max="128mb" /> When enabled, a recovery file is created by ObjectDB when a database is opened and deleted
41

Database Transaction Replayer

is useful for two different purposes: It enables recovery from a database failure by replaying
41

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
29

Exception on the recovery of a database

I've had this exception on the recovery of a database: [2011-11-06 04:33:41 #19 store] Exception during recovery of 'F:\calculationservice\objectdb\dbs\admin\WorkflowHistoryArchive.odb': java.lang ... in the recovery file is incomplete. In that case the last record is ignored (since it represents

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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