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Searching lists within objects

.SearchByCustomQuery(query);         assertEquals(1, searchResult.size());                 query = "SELECT ... );         assertEquals(3, searchResult.size());                 query = "SELECT DISTINCT t FROM com ... , searchResult.size());                 query = "SELECT DISTINCT t FROM com.contextspace.datamodel.party.CDI t

Ram allocation

of the database. By increasing the ObjectDB cache sizes in the ObjectDB configuration, as long as ... , we can allocate objectDB cache size to 128GB? thanks nedim.selmanovic Nedim Selmanovic Maybe better ... Theoretically, the main ObjectDB page cache can use 4TB with the default page size of 2KB

Doctor - high memory usage

for this database is about 650MB. It's about ten times of size of database. lwalkowski Lukasz Walkowski ... have at least 2GB RAM, I don't think that running the Doctor with 512MB max heap size should be a problem ... max heap size (-Xmx512m) it works well with the default configuration - it took ~10 seconds to check

Performance Issues After Migrating to ObjectDB - Urgent Assistance Required

Size: Our MySQL database was 66GB in size before migration. Migration Status: We are halfway ... " />                 <url-history size="50" user="true" password="true" />                 <log path="$objectdb ... >         <database>                 <size initial="1000mb" resize="1000mb" page="2kb

Empty query results after JAR creation

. The Size of both DB files is exactly the same, so I have no idea what the difference is or why I ... . > The Size of both DB files is exactly the same There is a default initial database size so you may have the same size for an empty database and a database with some content. > Is this the way

Is ObjectDB suitable for DMS (Document Management System)?

Office, OpenOffice files, PDF files etc.) properly. Are there any limits on database size or attachment size? Does clustering(master-slave) apply also to attachments? Thank you, David dmarko David Marko You can store large attachments in ObjectDB as byte[] fields. The database size is limited to 128 TB

Eager Fetch is not stable for collection or map types?

.setParameter("id", id).getResultList();     if(result.size() > 0) {       Game g = result.get(0 ... a mehtod such as size() of collection or map before closing the EntityManager, data can be retrieved ... ).getResultList(); if(result.size() > 0) { Game g = result.get(0); logger.debug("[trace

Performance with large databases

whenever I run the populating application. Is there typically a database size when indexes can no longer ... the ratio between the database size and the available RAM. As long as the available RAM is larger ... of the JVM heap size and the ObjectDB cache size). Except this, ObjectDB performance should not be affected

Merge Issue: Attempt to reuse an existing primary key value

(             "SELECT a FROM A a", A.class).getSingleResult();         Assert.assertEquals(1, a.list.size ... ();         Assert.assertEquals(2, resultList.size());         em.clear();         emf.close ... ();         Assert.assertNotNull(a);         Assert.assertEquals(1, a.list.size());         em

JPA inheritance issue with ObjectDB - Field not found in type error

(); System.out.println("Results found: " + ts.size()); } catch (Exception e) { System.out.println ... "); } else { System.out.println("Items list size: " + items.size()); for (Vtm item : items

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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