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Manual
67

General Settings and Logging

" threshold="64mb" /> To meet memory constraints ObjectDB can use temporary files in processing of large
Manual
23

Storing JPA Entity Objects

can be used to save memory in large transactions: em.getTransaction().begin(); for (int i = 1; i ... ().commit(); Managed entity objects consume more memory than ordinary non managed Java objects ... too much memory. The sample code above clears the persistence context after every 10,000 persists. Updates
Manual
23

Working with JPA Entity Objects

Entity objects are in-memory instances of entity classes (persistable user defined classes ... context is to make sure that a database entity object is represented by no more than one in-memory entity ... . Therefore, a database object can be represented by different memory entity objects in different
Forum
21

Memory leak while merging parent with No Cascade annotation with children

Hello support, While tracking memory leak in my application i suspected a memory leak in the merging object db implementation. The test case is the following, just run and watch the "Memory Used" by ... = {                 // No CascadeType.ALL //=> Huge memory leak while merging parent !                 // CascadeType
Forum
21

Out of memory

. After 5 hours of running database memory usage is quite high - attached screenshots. Record log is almost 50MB large. Database is about 73MB large. The strange thing is - allocated memory by storage ... dump) it would be easier to analyze the memory consumption. Currently
Forum
21

Index causes increased memory usage

MUCH more memory (~8gb instead of ~3gb) than when the indices are not included.  What could be taking up that memory?  The data load was the same for both tests (with and without String indexing).  Is there some sort of tuning we can do to have both fast queries and not soak up all the memory
Issue
21

Server out of memory exceptions

I've started to get memory exceptions on objectdb instances running as a server. The objectdb log ... to get an understanding of where the memory is being used. In each exception case the server ... . Could you get heap dump snapshots - after one day, two days, three days - in order to detect memory
Forum
20

High memory consumption even after close() of EntityManagerFactory

Hello, we still have memory usage problems. When debugging, we have now observed a case in ... with which you can observe similar behavior. The huge memory usage only occurs if we execute the query (line 56 to 61). If we remove this query, all is well. The memory is only released after we re-run
Forum
20

in-memory and on-disk support?

looking at replacing a setup of H2 where I have 40GB in-memory backed by 800GB on-disk, the 40GB in memory represents the first 40GB of the 800GB on-disk for super-fast recent entry searching, the records at the end continuously purge as the new ones come in(duplicate write, one to in-memory
Manual
20

Retrieving JPA Entity Objects

situations this might cause the retrieval of the entire database into the memory, which is usually ... of the developer it looks like the entire graph of objects is present in memory. This illusion, which is based ... of the managed object in memory is discarded (including changes, if any) and replaced by data that is retrieved