About memory

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Forum
31

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
31

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
30

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
30

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
30

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
30

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
Forum
30

Memory consumption of empty Strings

After doing some memory related research in my program, I found a possible place for an enhancement ... are empty (""). To avoid unnecessary memory consumption, the String within the entities ... , which is a waste of memory (refer to http://www.cs.virginia.edu/kim/publicity/pldi09tutorials
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30

Object DB In memory : without Filestore

completely in Memory ? (without any writes to Disk, it's okay to loose the data if the node is down ). I ... the Object DB completely in memory without disk storage. thanks, Sandeep At the moment, ObjectDB doesn't support pure in memory mode, but it still can be used completely in memory with no hard drive
Forum
30

Performance and memory usage of queries

requires so much memory. In the implementation of our UnitTests we have used "DELETE FROM Object" to delete the database. That did not work because we often get an "out of memory" exception. What's all done in the execution of queries? Why is so much memory is required, although from the application point
Forum
30

Is there an update on running ObjectDB purely in-memory?

ObjectDB purely in-memory, without a any file on disk? Note that "file on RAM disk ... -memory mode, as supported by SQL databases like H2 or SQLite. Thanks, David We had this as ... the configuration you can define suffixes that indicate memory only databases: