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Like fails if both underscore and percent are used

StringHolder("foobar"); assertEquals(0, getAll().size()); //DB is empty em.getTransaction ... , getAll().size()); //Save was successful final String queryString = "SELECT holder FROM ... = query.getResultList(); assertEquals(1, results.size()); } private List

Cache usage

by objectdb is much less than we would expect. The database file has around 25 GByte of size ... ") It seems that when the heap dump was taken the size of the database page cache was about 1.4GB ... % of the maximum size is normal. In addition to this cache, the OS manages its own cache and can use

Object as parameter results in exception

.size() > 0){    return resultList.get(0);   }   return null; } The error I get is: Caused by ... ().createQuery(c);   List<T> resultList = q.getResultList();   if(resultList.size() > 0){    return ... (companyParam, company);     List<T> resultList = q.getResultList();   if(resultList.size() > 0

ObjectDB is opening too many sockets

the size of the connection pool (the default in ObjectDB is currently 50), by using the JDO method setMaxPool. support Support Sorry, I did not get that You can limit the size of the connection pool ... pool size when you initialize the EntityManagerFactory:     Map<String, String> properties = new

Caching/Paging Questions...

size of ObjectDB L2 cache or EntityManager context ? Q4: Would paging result sets ... references. The size of the L1 cache is automatic. There is no limit on the maximum size of the L2 cache

java.sql.Date equals comparison not working with CriteriaAPI

);         System.out.println("Query: " + query.toString());         System.out.println("Result Size: " + resultList.size());                 em.close();         emf.close();     }     @Entity     public static ... $1 FROM MyDateEntity $1 WHERE $1.date=:$$cmlp1 Result Size: 1 The Predicate's toString

Performance problem

database. Their size and number of records are almost identical. When running production database in ... threshold is different, possible due the size of the results (probably related to the number of related ... is too large, you have to make the decision how to reduce its size, considering also your application needs

each 1-2 days objects on some objectdb level lock/block each other

and will get back to you soon. support Support just a bit more parameters - the database size is around 60 GByte ... " threshold="256mb" /> <network inactivity-timeout="0" /> <url-history size="50" user ... ="*" level="info" /> </general> <database> <size initial="256kb" resize="256kb" page

ArrayIndexOutOfBoundsException on flush

The current theory is that this may be related to the size of the objects that are being stored. The process in test was working ok until the start of this week at which point data sizes increased ... with the uncompressed data) and is help as a string. The size is certainly larger than 2k

Out of Memory - Slow leak?

"/> The objectdb server process runs with -Xmx1g and the "consumer" runs with -Xmx2g. Message size is approx 1k ... (page cache size, query cache size) for the metadata server and the data server. support Support

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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