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6

Getting sales quantity per country with a query, an idea anyone?

of concerned countries (: with orders) and finally a list of the order quantity per country is too slow
6

significant performance decrease

should help. If it is still slow, try also composite indexes: on classIdentifier + type
6

Explorer in 2.3

managing a scrollable window - require at least loading all the references in advance - and that is slow
6

Memory Leak in EntityManagerFactory ?

all) are affectet which results in a slow but increasing memory consumtion of our server
6

com.objectdb.o.TEX: Type ... is not found, for a class that's already been enhanced successfully.

ObjectDB, not exactly sure what the problem is. Try to isolate the slow performance, e.g
6

Efficient query on EmbeddedId

, and queries on field2 may be slow, since as you wrote an entire database scan is required. Notice
1

ObjectDB 2.5.2

Added automatic creation of the log directory if it does not exist. Added support of old Spring Framework versions (with JPA 1.0). Fixed "InternalException: InterruptedException" due to application interrupts in embedded mode. Fixed a class loading conflict with Log4j. Fixed very slow processing
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
1

Threaded Test - Failed to commit transaction: Unexpected internal exception

than the memory processing threshold - temporary files are used, which is very slow. I found
1

Exception makes the system unusable for several minutes

?), which may cause a general slowness. support Support the problem is that these objects are not corrupt

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