About lock

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OutofMemory error with Object DB 2.0

="." max="128mb" /> <locking
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Password in Embedded Mode?

Is there a way to setup a database file that will be accessed in embedded mode, such that it is locked with a password.  Thereby making it impossible to use ObjectDB to access the contents of the file without providing the correct password when obtaining a connection.  In my case, I'm interested in
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Performance tuning, best practices

" />     <locking version-check="true
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Query results are not up to date for entities, not primitives

" />     <locking version-check
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Remove an entity which attributes were changed

We use an OSGi environment and we have three OSGi plugins.   In plugin A an entity is loaded and the entity is passed to plugin B. Plugin B changes an attribute on the entity. Plugin C removes the entity from the database. After commit the transaction an exception is caused with optimistic lock
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Removed entities can be found by query in the same transaction

 another issue (unexpected optimistic lock exception) but you may want to check if it also solves this issue. btc_es
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Replication failed

" path="." mode="write" /> <locking version-check="true" />
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Replication Issue

="." mode="write" />                 <locking version-check="true" />                
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Sample JDO Architecture for Follow Up Questions

about this proposed architecture:   "Where Does ObjectDB Block/Lock?" "How Should I Configure objectdb.conf
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Selective merge/cascade of detatched entity

! I'll look at using the same EntityManager for all threads, but this will likely introduce locking