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Database Files

Hi. According the docs, "Every transaction commit is first written to the recovery file and then to the database". During my testing, every time I make a transaction the recovery file keeps growing, but the actual odb file never changes unless I restart the server. The <transaction-id>.odr

Password Protect Database File

Is there a way to encrypt the odb file so that if hackers somehow steal it they cannot access ... for a password for encrypted odb files. ThreaT Ashton Hogan The way to keep an ObjectDB database ... of complete drives, directories or files, and an ObjectDB database is an ordinary file. If you are going

JDO sequences from ORM file

.orm file, where X is a value passed to the PersistenceManagerFactory as the value of property "mapping ... for this type of file, though I can't see a mention of it in the manual. But I've tried creating one as ... ). It is included in our tests (that are part of every build), but in a package.jdo file

Need disk usage and delete some old files

date files from database. And recalculate disk usage back ? kadirbasol Kadir BASOL Since an ObjectDB database is a single file you can simply check its size using the length() method. In embedded mode this should be simple. In client-server mode - you can retrieve the server file system root by

Reading 1.x odb files in ObjectDB 2.x without upgrading

db odb file from version 1.x to 2.x, user is unable to open the odb files in the application which is having object db 1.x installed. Is there any way to read odb files from 1.x in object db 2.x ... was having one row but after converting to objectdb 2.x, no row was present the odb file. But when i

mapping file is not being loaded

a simple configuration file to determine available persistence units, and then bootstraps them using ... (again, obtained from the configuration file ). After the entity manager factory is obtained, the Metamodel is empty - none of the entities referenced in the mapping file are present in the Metamodel

Database(*.odb) file size on disk

Hello, we have questions about the file size of ObjectDB database on disk. Can you tell us something about how the deleting of entities affects the size of *.odb files on disk? -Will the released memory always used by new entities? -Will be the database file automatically reduced? We have created

Unable to convert 1.x odb file to 2.x

of the DB files I got this error: java -jar converter.jar ../old.odb ../new.odb ObjectDB 1.0 -> 2.0 file conversion Exception in thread "main" java.lang.RuntimeException: Internal Exception ... on another odb file which is 3G in size and I think half of it was converted. The output is much longer

File lock exception on odb$

objectdb were not shutdown properly which in turn meant we had several odb$ files left behind. I ... below. No other process had a lock on the file, especially as the server had just been rebooted and the os allowed us to delete the files in question without any problem. In this case we weren't

Multiple files support for search and persist

to seperate files ( Each file is binded to different disk ) How can i configure objectdb for multiple files ? is there any example ? eix128 Kadir BAŞOL An ObjectDB database is a single file ... ). Currently you may be able to improve performance by: moving other files that ObjectDB use (e.g

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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