About COUNT

release

2.4.7

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...

 
forum_thread

Eclipse plugin problem (using ObjectDB as a separate bundle)

Hello support, I have seen multiple attempts to correct similar errors as in the title above - the latest in the 2.2.8.01 release of objectDb. However I still get this error.   Here is my scenario (Groovy 1.8 and Eclipse 3.6) used. I have a com.epimss.lab.data.toxicology.TherapeauticDrugScreenRqst. Nested in this class are the following two classes: com.epimss.lab.data.misc.OtherRqst and com.epimss.lab.data.misc.RequestDateAndNumber. #1 2011-07-11 15:49 Hello support, I have seen multiple attempts to correct similar errors as in the title above - the latest ...

 
forum_thread

Occasionally slow requests in load testing

We 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 response times from the DB, around 10 - 15 seconds. Looking at the DB server process with AppDynamics we can see that most of the requests get stuck in one of 2 places: com.objectdb.o.PGC:w: line number 232 com.objectdb.o.LFL:U: line number 1068 Please see the attached callgraph examples for full stack trace examples. #1 2012-04-26 12:56 We are running load testing against objectdb version 2.3.7_18. The performance is generally OK, however there are ...

 
page

ObjectDB Object Database Features

ObjectDB provides a rich set of features, many of them as the result of supporting the JPA and JDO APIs.... Aggregates (COUNT, SUM, AVG, MAX, MIN). ...

 
release

2.4.6

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...

 
release

2.4.5

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...

 
release

2.4.3

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...

 
release

2.4.4

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...

 
issue

com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working. Fortunately this was in development, but still worrying! The Entity class ... [ 1 ] Page #10 entry 5 has unexpected field count (1 instead of 12) se.firstinsurance.persistence.organization.Customer ...

 
release

2.4.2

... optional. Fixed the "Negative snapshot user count" bug ( issue #83 ). Fixed a page cache purge deadlock ( ...