5 | One transaction or two?If I have a large number of objects to delete and then add to a PersistenceManager is it more efficient to do everything in one transaction or two? Currently my code looks like ... ().rollback(); } if(!pm.isClosed()) { pm.close(); } } Should I separate the deletes |
5 | Performance tuning, best practices="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username="$default" password="$$$###"> <dir path="/$user/" permissions="access,modify,create,delete"> <quota |
5 | Shrinking Database Files never shrinks when large number of objects are deleted and the only way to reclaim that space ... context to propose an answer.) CBE CBE ObjectDB reuses space of deleted objects but the database |
5 | Connection is closed Caused by: java.io.EOFException.0.0.1" admin="true"> <dir path="/" permissions="access,modify,create,delete" /> </user ... ,create,delete"> <quota directories="5" files="20" disk-space="5mb" /> </dir> </user> <user |
5 | significant performance decrease"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username="$default" password="$$$###"> <dir path="/$user/" permissions="access,modify,create,delete |
1 | again merger missing logs + objectdb exception on both sides (for performance reasons) - some of these references are broken when we delete objects ... of maintaining these specific references on deleting are very high. is there a problem to have this kind |
1 | Page #9 entry 0 (key 'bjjl') has 75 extra bytes / Unexpected last index ID: -119 (expected -116) a way that these two objects will be deleted (not fixed), but still, if there is a bug that may cause ... (after deleting the database file and re-running the application): MacBook:tmp bjjl$ java -cp ~/Downloads |
1 | each 1-2 days objects on some objectdb level lock/block each other="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete ... /" permissions="access,modify,create,delete"> <quota directories="5" files="20" disk |
1 | Use temporary files to enable very large transactions? What combination of DELETE / INSERT / UPDATE operations are in that huge transaction? Can we assume ... in the transaction? The total size is principle unlimited. What combination of DELETE / INSERT |
1 | NullPointerException in __odbGetNumMemberHi, When deleting an entity "Mitglied" -> everything works fine. Trying to delete another one (in a separate transaction) always causes a NullPointer Exception in __odbGetNumMember line 1 of the enhanced Mitglied class. I am unable to replicate it in a simple testcase but it always happens in |
