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71-80 of 200 resultsRefresh500Mb ObjectDb database opening issue Hi, I have observed that 500 Mb objectDb database opening time ... -up open time for big databases? Definitely, it's too long for 500 Mb database! We gonna work with ObjectDb databases which may have size more than 5Gb and opening database time | |
OutofMemory error with Object DB 2.0 200 records and then the same transaction object from the same PersistentManager is used ... .onObjectDBError(OBC.java:1504) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:279) at com.anritsu.eu.database.DatabaseImplementation.storeItem(Unknown Source) at com.anritsu.eu.database.DatabaseMessageStorer | |
Speed of queries that return many objects. Apparently your use case is not a standard database (or object database) activity ... > So I created a database with 1_000_000 dummy entities (example below) - the DB size ... objects is more than you may expect and much slower than just reading the data from the disk. Using | |
Entity listener - event instead of object" version of object stored in database. I can't find the nice way to use EntityManager in EntityListener ... from database to check for difference in object fields? It should be something like creating entire ... ; activities; This way I can add events to given object without using EM to persist new object | |
Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer="code">ObjectProperty object of 2699 bytes that was divided to two database pages ... we have a database shutdown, logs are showing: [2017-07-10 21:07:23 #1 store] Database 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' is opened by 11028@wzbhb101 | |
What is ObjectDB? ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query ... store ordinary objects (and graphs of objects) in an ObjectDB database directly. There's no need | |
JPA Exceptions can also be thrown on an attempt to retrieve entity objects from the database. For example, when a required ... , if database lock has been requested for retrieved entity objects and it cannot be granted. ... > java.lang.Object | |
Query Parameters in JPA a Country object from the database by its name: public ... _String_Object">setParameter("name", name). objects whose name field value is equal to :name, which is a parameter | |
References to objects of missing obsolete entity classes itself, is it correct that the objects are in the database but their classes have been deleted or ... show any objects of the given class in the database. The class was indeed removed. database and the error does not occur with objectDB version 2.8.0_4. Did you change | |
new objects not available in mappedBy associations side will be updated automatically when the object is retrieved from the database again. object is retrieved again from the database (and not from the persistence ... Employee, won't result in this object being available in the same transaction: ie: |