About memory

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Java 6/7 Performance Comparison

configuration when downloaded and then again after adjusting the objectdb.conf to grant more memory ... profiling info? Attached is the CPU and Memory profile outputs across 2 runs of the test case. I
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More Efficient Primary Keys

Can you give us a recommendation as we can represent the Key (UUID) most efficient? Both in terms of memory usage of the database files, memory usage of the JVM and efficiency for queries. We already need the key before the entities are persisted so that we can build even references. a) Composite
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NullPointer when accessing entity field

memory representation of that object, and should not use memory objects that are managed by
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ObjectDB shuts down

starts to kill processes if it runs out of memory, in order to keep the necessary amount of RAM ... too much memory (out of the total available), thus CentOS was killing it. We monitored the DB server RAM
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ObjectDB version 2.3 has been released

[] by reducing required storage space. Removed a shutdown hook that leads to memory leak (issue #453). Completed missing documentation (e.g. UPDATE & DELETE queries). Fixed memory leak issues. Fixed
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Optimistic lock

the retry code after the exception can I assume the changes I made to the object in memory are retained ... after transaction failure (regardless of cause) retain their values in memory. Objects can be restored
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OutofMemory error with Object DB 2.0

(currently 500) records                 // This is becasue ObjectDB keeps all items in memory ... database there is a cache memory problem. The heap dump may help in understanding the problem. Does it mean
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Performance with large databases

be held fully in memory or some such issue?  The method calls that suddenly start ... , the entire database can reside in memory (using the OS cache, regardless of the JVM heap size
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Server crash - Mismatch client-server protocol prefix

out-of-memory errors (although I'm running with -Xmx1024m) and some issues with a particular index ... message after eliminating the memory and index issues? Update: Apparently this exception
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Tutorial issue

previously and the database had a memory of it. By starting with a new database that memory was erased