7 | @Column length is not working. of a field. Is there any other way? Deepak_1996 Deepak Kumar Maharana If by expensive you mean slow |
7 | Explorer in 2.3 managing a scrollable window - require at least loading all the references in advance - and that is slow |
7 | Connection performace after upgrade to objectdb 2 of PersistenceManagerFactory and PersistenceManager per PersistenceManagerFactory are slow, but this is normal |
7 | Is 2 level cache in use? on the application. Sometimes enabling the L2 cache may slow the application because of the overhead in keeping |
7 | To open source, or not to open sourceHi, We are currently using db4o with a commercial licence, but finds it very frustrating after they have been taken over by Versant. The development of db4o is going very slow and major bugfixes are not been backported to stable releases, but only put into bleeding edge branches |
7 | Update Entity references if we change the type of an entity well as its subclasses and your sample test passes. However, please note that: It may slow |
7 | Join query problem with new statetment are returned and everything works fine, but is quite slow - that is expected, because of some high number |
7 | General Performance Issues Illustrated with a Specific MethodGeneral Performance Issues Illustrated with a Specific Method |
7 | explorer locks local database in readonly modehi, my current use case is: execute unit test, verify results in explorer. my problem, i have to close the explorer before every run, and open it again after the tests are done. this slows down the whole process. i opened the database in readonly mode, but the file will be locked by the explorer |
1 | Use temporary files to enable very large transactions. It is also slow. A much better solution (faster and with unlimited transaction size) is now planned |
