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indeed solve issue 2) above.  (Thanks!) I will consider this posting closed and instead track issue 1197 . CBE CBE

I am trying to track down some obscure errors with multi-threading.  This involved looking at the EntityManager Metamodel but this caused an ObjectDB exception.  So I reverted to your example code in the tutorial (with class Point ) and it works as expected: : (995, 995) (996, 996) (997

(using Java SE 10.0.1). So I tried to track down why it is not found via runtime and discovered

object does not track changes. This is explained in chapter 3 of the manual. support Support Thank

formula, but usually larger is better, as long as you have sufficient RAM. You can track the actual heap

is closed, because I have a counter for opening and closing PersistenceManager instances to track DB

in the database. This is something that you can track by enabling logging : Look for messages

. So this may also indicate a different issue. You can track query execution in the log

it seems to be set to ' track changes' mode by default and lags terribly.   hobson Maciek Chabros Thank

. During cascading objects are tracked and every object is handled only once to avoid an endless

of reflection mode (no enhancement) by minimising  tracking backups. Improved concurrency by using

Fixed a bug in using AS in SELECT NEW (breaks some Spring Data JPA queries). Fixed a bug in tracking changes to new collections after flush ( issue #2640 ). Fixed a StackOverflowError on no access permission to objectdb.conf ( issue #2643 ). Fixed a bug in managing pessimistic locks after using

for the quick reply! Should I open an issue for this technical debt? jleblanc Joel Leblanc This thread is now included also in the Issue Tracking . support Support