12 | Storing a tree of data (depth=3) (I've tried @OneToMany, @Embedded and @ElementList) A role is a performer (I've tried inside that class ... comment out the role part) One intention is that performer finally results in a separate table so I can query the list over all performers. When I'm trying to persist the movie the objectdb complains |
10 | One transaction or two? performance. I don't expect a large difference but you may want to try both options ... appreciable difference in performance so I think I'm just going to leave it as a single transaction ... . Each task then gets a Persistence Manager from the factory, performs its transaction and then closes |
10 | Pre-detach loading: retrieval by navigation not working in if statement-query @EJB with a specific loader that - after the em.find(id) is performed - executes selected ... me ages to finally find/identify this problem, as I did not imagine that performing the load access ... (); if (presentValue != null) {//Known to in fact be 'true' in database //Perform some |
9 | EM.find() is suddenly slowerWe have a new performance bottleneck, if we use EM.find() on the same entity type 10.000 times in ... times we cannot see a performance bottleneck. @Entity public class EntityA { @Id @Access ... eager fetch that affects the performance of further operations. Could you please check build 2.8.6 |
9 | Schema Update large refactoringHello, we want to perform a major refactoring of our package names and hence need ... , if it is possible to perform some sort of wildcard schema update, instead of specifying all the thousands ... , will there be any limit to the number of packages that we can specify? Will the number impact performance |
9 | Occasionally slow requests in load testingWe are running load testing against objectdb version 2.3.7_18. The performance is generally OK, however there are quite a few "spikes" in the performance where we are getting a lot of very slow ... queries. We are running load test with uniform set of queries and the performance is OK in some cases |
2 | Blocked by find, this may just be slow performance rather than blocking. The attached test writes data to a db ... to maximise objectdb performance it'd be appreciated. felixobjectdb Richard Szurgot Extremely slow performance may be the result of using zero size page cache, which causes cache purge to be invoked |
2 | cannot delete objects after crash (see issue 2283) Support thanks, we'll adapt accordingly hgzwicker Hans-Georg Zwicker Please monitor performance ... failure with lower performance hit. support Support ok hgzwicker Hans-Georg Zwicker our performance ... , and performing one sync of the recovery file before writing a group of updates to the physical database |
1 | ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection, open in NetBeans8.1, perform Clean and Build, and Run: https://www.webel.com.au/downloads/objectdb ... other errors (and to benefit from other fixes you have performed). webel Dr Darren Kelly I appreciate ... Unpack, open in NetBeans8.1, and then perform Build. There is an Ant script with post-compile |
0 | registerClass(pcClass, fieldNames, fieldTypes, fieldFlags, persistenceCapableSuperclass, pc) the same or an ancestor class loader as the PersistenceCapable class performing the registration |
