About Object Database

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Issue
9

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

, which is part of one large ObjectProperty object of 2699 bytes that was divided to two database ... we have a database shutdown, logs are showing: [2017-07-10 21:07:23 #1 store] Database 'F ... : SectionClassifier{2->merger[2699]-missing:1}     on running Doctor it hangs after reading in the database, just
Forum
9

em.flush(); em.clear(); loosing data and not persisting managed objects

objects to database. Sometimes it does other times it doesn't. Here is my Entity. import javax ... .objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o ... tracking management system called CMVC, since I don't have direct access to that database
Forum
9

OutofMemory error with Object DB 2.0

after persisting 200 records and then the same transaction object from the same PersistentManager ... .commit(EMImpl.java:279) at com.anritsu.eu.database.DatabaseImplementation.storeItem(Unknown Source) at com.anritsu.eu.database.DatabaseMessageStorer.newItemParsed(Unknown Source) at com.anritsu.eu
Forum
9

Speed of queries that return many objects

a standard database (or object database) activity. The main idea of a database is that large amount of data ... if this is something I should investigate. So I created a database with 1_000_000 dummy entities (example ... and tuning it could be in the range of 1-2 seconds. The overhead of preparing entity objects
Issue
9

new objects not available in mappedBy associations

when the object is retrieved from the database again. Try to refresh the department object ... already contains a value - it will not be run again unless the object is retrieved again from the database ... > employees;   creating a new mapped class, e.g. new Employee, won't result in this object being available in
Forum
9

Entity listener - event instead of object

entity from database to check for difference in object fields? It should be something like creating ... in updated entity. There is a problem however with accessing "old" version of object stored in database. I can't find the nice way to use EntityManager in EntityListener. Because of that, I can't
Forum
8

Queries are slow on a large database

out: how to get the total number of object in a database without retrieving everything? Alternatively ... Hi, I have a 12GB database with 787603 entries. It is much larger than usual ... have to scan the entire database file and is not using indexes. Therefore I think I am not doing
Issue
8

InternalException - error reading field from "queue" database

guess the problem is actually on writting the objects to the db. Running the database ... that is missing in this database. What do you store in that field? entity objects? embeddable objects? serializable objects? Did you use that specific database in replication? Maybe this is related
Forum
8

2.7.3_03 Erroneous "Attempt to modify a primary key of a managed object"

and is the primary key used to save/restore the object into/out of the database.  Another user might try ... key of a managed object", but my application is not trying to change the primary key.  (ObjectDB ... of the id field. You should be able to change the id field to a simple String without database schema
Forum
8

Database Inconsistency or corruption

entity. 2-) Problem Description I initialized the database with some ObjectValues. Persisting new ... part of the log file. Before the update operation, I dump the properties of the object I want to update ... , isPersisted:=true ... After the update Operation I also dump the properties of the object. ObjectValue ID