About journal
Database Transaction Replayer
Explains how to use the ObjectDB object database Replayer tool to restore recorded Java/JPA/JDO actions.... internal engine operations in special binary recording (journal) files. Recording is enabled by default and can be disabled in the ...
 
Database Management Settings
Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO. The <database> configuration element specifies back end (database engine) settings which are relevant on the server side and in embedded mode. The default configuration file contains the following <database> element: ...