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190

Ram allocation

can allocate 128GB ram of server where it is installed. So can you please help us where we can find ... can benefit from any available RAM: By the operating system cache that may include all or significant parts ... the JVM is also set and capable to use that amount of RAM for its heap. support Support Thanks
187

Inserted entities with strings as keys and indices needs more and more ram memory in comparing to primitive integers as keys and indices

of further entities needs also more and more ram memory, this leads to out of memory exceptions. But if use ... needs only more ram memory, but not more and more memory. And if the max heap memory is big ... RAM memory. The example with string keys needs round about 1,5 GB RAM memory. Do you know any
52

General Settings and Logging

above. Using RAM is much faster than using temporary files. Therefore, temporary files are only used
29

Soft Reference Object Cache Recommendation

until the Java Virtual Machine (JVM) does a full Garbage Collection (GC) when heap RAM gets low ... when the byte[] only needs to be read and sits in the cache until more heap RAM is needed. @Override public ... , click "Compute retained sizes" to see RAM block from GC by those instances, then select
23

Object DB In memory : without Filestore

memory with no hard drive, by using a RAM drive. support Support At the moment, ObjectDB doesn't ... a RAM drive. can u give me example how we can used objectdb in memory???? plz give me some code or ... , you can use a RAM drive. i.e. install a RAM drive software (unrelated to ObjectDB) and then use the virtual
21

in-memory and on-disk support?

(40GB) will be managed on a RAM disk / RAM drive. Both databases can be managed in embedded (in ... . support Support Thanks for the reply. RAM Disk isn't really ideal as a filesystem is going to make ... will have to do myself? Thanks again. Ben bensteele Ben Steele Actually, a RAM drive provides excellent
17

Occasionally slow requests in load testing

values for recovery => max (try smaller first). Larger processing => cache value. More RAM ... much larger databases, but when the database becomes larger than the available RAM a natural decrease in ... has much more free RAM than database ever uses. The max heap size of the process is set to 8GB
15

RT Java application recording into 100DB run OOM after a few hours.

it on a VPS with about 4GB of RAM. 1/ I use the default objectDb.conf (i mean i dont use any ... too much? Is there something in object.conf that i should tweak? I think I need to understand how the RAM is managed by ... databases, so it can easily exceeds your VPS RAM. If you must keep 100 databases open concurrently then you will have to reduce cache sizes, etc. support Support
5

Best practise loading big data

sizes of caches and how to configure them. Please clarify whether the RAM is released when you close ... to reduce RAM please provide more information about the RAM consumption of relevant ObjectDB objects ... , however (outside ObjectDB) will cache file pages only when RAM is available. > Our problem
3

each 1-2 days objects on some objectdb level lock/block each other

, RAM to 96 GByte. the behaviour still the same we are really with our back at the wall, the customer ... increase RAM and cores hgzwicker Hans-Georg Zwicker Did the issue start at 7:03? The first thread dump ... 03 seems to have a memory leak, we had to shut down now the complete system on 60 GByte RAM used

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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