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Delete object from collection versus delete from JPQL

queries After using these queries you may use refresh, or discard cached objects in the EntityManager and in the L2 cache.  greymatter
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find() cost unreasonable time!

) // Success for Inheritance Sonsection //@Cache(size=10000) @DiscriminatorColumn(discriminatorType ... to bypass the cache. Sorry, I'm confused. Without mappedBy="parent", what function is "fetch type to EAGER
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Glassfish 3.1.2.1 and ObjectDB 2.4.3

: Registered org.glassfish.ha.store.adapter.cache.ShoalBackingStoreProxy for persistence-type ... .adapter.cache.ShoalBackingStoreProxy for persistence-type = replicated in BackingStoreFactoryRegistry
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How to track memory leak with ObjectDb.

called on tomcat shutdown ). Might are they keeping MST objects or a kind of internal cache ? I ... that it represent some data of my entities beans ). This shows the page cache. Its size in your example is not
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Internal exception when quering

.getResultList(JpaQuery.java:686) at com.ysoft.cache.objectdb.ObjectCacheDB.search(ObjectCacheDB.java:522) at com.ysoft.cache.objectdb.ObjectCacheDB.search(ObjectCacheDB.java:496) at com.ysoft.safeq
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NullPointer on query

looked again at the page cache fix (issues #116, #119, #121) and apparently the fix is incomplete. In version 2.3.6 newer pages can still be purged from the cache leaving older pages (from previous
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ObjectDB's Database Doctor Incorrect Error Report

" the ObjectDB page size of presumably 256 KB.  (So I was wasting a lot of RAM and resources like caching based on 256 KB when I only needed 64 KB based size support caches, etc.)   Thanks
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One transaction or two?

) so if you implement such a pool you may gain some performance in some cases (e.g. if the L1 cache is important in ... . Since you are asking about add/remove operations rather than read operation (in which the L1 cache is important
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Optimistic locking: prevent version increment on entity collection attribute

the transaction. - I then clear the EntityManager so I don't have the cached Document and then find ... clear the EntityManager it all works fine because I have the cached value of the Document returned
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Performance with large databases

, the entire database can reside in memory (using the OS cache, regardless of the JVM heap size and the ObjectDB cache size). Except this, ObjectDB performance should not be affected significantly by