About memory

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Pre-detach loading: retrieval by navigation not working in if statement

' and enhanced into memory.] [EDIT: question removed, already answered by docs quoted ... and automatically enhanced in memory (if applicable). Q: Is there any human-friendly way to inspect the classes exactly as they are once loaded into the JVM (in memory) ? I asked: As a result
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Speed of queries that return many objects

all the objects in memory at once. Thanks, the problem is that I can't do lazy loading as I need ... for the example above is around 8MB. So it should take 20ms to load the file into memory. 2 ... is stored in a secondary storage and only portion of that data is retrieved to memory at a time
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Does ObjectDB create one instance of each entity class on (web app) load ?

is present in memory, at web app startup, before I've loaded anything, and they won't garbage collect. (I've ... . For example, if the abstract entity class is com.example.Common then there is exactly one instance in memory ... the ReflectionHelper fully, I was surprised to see entities retained in memory. Luckily, although I
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Database size is much larger than expected (x2)

so many memory that it fails with "-Xmx1432m", even if em.clear() at every 0xFFF insertions ... details are missing, but here are the general directions: Commit every 4096 images may cause memory ... another one. So the memory problem cause: Exception in thread "main" [ObjectDB 2.2.9_03] javax
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Delete object from collection versus delete from JPQL

relationship between the objects in memory and ObjectDB.  I know I can modify the objects and use persist() to write them to the database.  But does running a JPQL update or delete alter the in-memory ... between memory and database objects. See these manual pages for more details: DELETE queries UPDATE
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Deploy ObjectDB in WildFly 10

jboss.deployment.unit."omd-in-memory-db.jar".FIRST_MODULE_USE: org.jboss.msc.service.StartException in service jboss.deployment.unit."omd-in-memory-db.jar".FIRST_MODULE_USE: WFLYSRV0153: Failed to process phase FIRST_MODULE_USE of deployment "omd-in-memory-db.jar"         at org.jboss.as.server
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Exceeding max connections and crashing

exceeds heap memory limit, could this cause problems with DB Q3. Is there any command to check ... Out of memory errors may have severe impact on ObjectDB. You must make sure the heap is large ... . It may also be the result of limited heap size and out of memory errors. Try to repair these 2
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Insertion Speed Rate and Batch Load

the Memory Leak thread uses a separate transaction, and moreover, a new EntityManager per stored entity ... #, the result is not good.  The setting is Xeon 2.40GHz, Memory (2GB) Persisted 13000 objects per second. Any ... this code  with the above enhanced setting on another PC ( Intel Celeron 550@2GHz, 3GB memory ) : Total
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Is it possible to remove parent/child entities without refresh?

to have an updated parent/child object tree in memory. But entityManager.refresh is too slow for our project ... ()); } } In order to understand the problem, could you please explain in which way data in memory ... elements in memory. After the call entityManger.refresh(parentEntity) the removed childEntity ist not
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Listing large number of complicated objects with paging.

Hi, For last few hours I was working on a problem with bad performance and memory problems ... part is that running this query needs lots of memory at tomcat side (attached screenshot) and after running it 3-4 ... : 600ms Hot database - refresh of the same page: 160ms. Memory usage - no more than 35MB