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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

; for operator IS EMPTY (error 756) Thanks. Note: It doesn' t work with SIZE (): SELECT e FROM MyEntity e WHERE SIZE (e.collection-valued)=0   eurojet P. F. Martinez Please follow the posting instructions ... ;    System.out.println(query.getResultList(). size ());      

work with ObjectDb databases which may have size more than 5Gb and opening database time ... for a database. Opening time is not affected by the size of the database (since during opening ObjectDB just ... of a second to open a database of any size . Please provide more details. If you can make this specific

the page cache (which has a size of 64MB per database by default ). Have you changed the cache size ... open databases with page cache size of 128MB (each) then this explains your numbers. The cache

connections are created but not closed. It may also be the result of limited heap size and out of memory ... . We increased hype size to 6GB and since that we haven’t have any crashes of JBOSS. Important to note is that JBOSS is not on the same server as ObjectDB. After we increased heap size and number

void likeTest() { StringHolder entry = new StringHolder("foobar"); assertEquals(0, getAll(). size ... (); assertEquals(1, getAll(). size ()); //Save was successful final String queryString = "SELECT holder FROM ... (); assertEquals(1, results. size ()); } private List getAll() { CriteriaBuilder builder = em.getCriteriaBuilder

- maybe you can clarify some of them: Database file page size : the default is 2kb ... better with bigger page sizes (e.g. if an Entity has 'a lot' of member fields)? Order in WHERE clause ... your questions: The page size may have some effect, but probably minor, so this is probably not the cause

general. You can limit the size of the connection pool (the default in ObjectDB is currently 50), by ... the size of the connection pool (the default in ObjectDB is currently 50), by using the JDO method  ... ;setMaxPool? thamal Tomas Hamal You can specify the max pool size when you initialize

; if(resultList. size () 0){    return resultList.get(0);   }   return null; } The error ... = q.getResultList();   if(resultList. size () 0){    return resultList.get(0);   ... , company);     List resultList = q.getResultList();   if(resultList. size () 0){  

the initial database size ). support Support If no conf file is found or provided ... in 500mb files.  do i need to specify the size in kbs? dansmith Daniel Smith The initial size

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

, if you know the maximum database target size , you may start with that size as an initial database size

Hi, We have a problem where our database size grows over time more than expected. We've traced it down to the following issue: I have some entities that are using OneToMany relationship ... of addresses: "+res3. size ());         em.close();   

has no records either. However, looking at the DB- Size , it still has the same size ? The DB-Server

.getResultList(); System.out.println(" size : " + result. size ()); We get an exception: [2016-11-14 10:48:56 #1

Hi, Is there any way to check, if 2 level cache is in use? Right now I've done two things: 1. objectdb.conf with cache size is placed in WEB-INF directory of my web application. 2. persistence.xml ...  by setting its size to 0. The main problem with the default implementation is that the server

.createQuery("SELECT t FROM Transfer t").getResultList();     System.out.println(t. size ... ; System.out.println(t. size ());   }   pmbrierley Michael Brierley Both addObject and  addObjectw

are per database. For example, the default cache size for database pages is 64GB per database, or 6.4GB per 100 databases, so it can easily exceeds your VPS RAM. If you must keep 100 databases open concurrently then you will have to reduce cache sizes , etc. support Support

== null ? "null" : Integer.toString(flags. size ());   System.out.println("    ... output = name + " (signed on " + signingDate + ")";   if (flags != null && flags. size () 0

for this example, but if you look at logs: Store: 4, size : 10 Offer: Offer for product: 94, store: 4 ... ; lwalkowski Lukasz Walkowski Running the new test with enhancement enabled produces: Store: 4, size : 9

Side) You should be able to set the connection pool size by a property in persistence.xml :      ... . Currently the default pool size is 50. support Support This is very useful information. I

Support As you said, the ObjectDB clustering can not support a database whose size is beyond the size

(parentEntity);   Assert.assertEquals(4, parentEntity.getChildren(). size ());   entityManager ... , parentEntity.getChildren(). size ()); } }     wua Andreas Wurm This seems to be an old issue. The test passes with build 2.6.0_01. support Support

. Is the enormous increase of database file size caused by the number of not-embedded objects in ObjectDB 2 opposed ...   JDO annotation ? Yes. 1. Is the enormous increase of database file size caused by the number

database. Their size and number of records are almost identical. When running production database in ... is different, possible due the size of the results (probably related to the number of related objects) First

transactions are limited to the heap size , so this test that deletes and updates more than 500MB of data in one transaction requires a larger heap size . This limitation may be removed in future releases

Hi, I am using an indexed java.util.Date field in my Entity and I came across some weird behaviour in query filters comparing this Date field. Could You please clarify why are there zero- size result collections in the first pack of queries and non-zero size results in the second pack ? I

; System.out.println(resultList. size ());         em.close();   ... (); System.out.println(resultList. size ()); em.close(); emf.close(); } private static Node persistTree(  

to the disk?). Try to disable the L2 data cache or decrease its size , assuming you use it. support ... the size of the eagerly fetched graphs of objects. support Support Thank you for the patch

, the children field of all my retrieved nodes are of size zero When I declare the FetchType as Eager ... might look empty - but as soon as your application accesses its content (e.g. by invocation of the size

;       System.out.println(results. size ());       ... ;     System.out.println(results. size ());        

has different members, but the same size .  List uid1_list = .. new Testclass(1,1), new Testclass(2,1 ... list the size of 3   To avoid this behavior (of the criteria builder.in method), you can set

that is added to my application that currently has 15 eclipse plugins. The size of objectdb.jar is 1.29 MB ( times 15 = 19.35Mb!) - a significant increase in size . With a single eclipse plugin I

system memory.  Is this size of database file supported in-memory on ObjectDB. We have a server ... supports pure memory database since version 2.6.4. There is no size limit, but it is a new feature, so if you experience issues let us know. support Support

the entitymanager I write something like vector. size () or I print it's size or I do anything with the vector

Due to the size of that collection the containing entity object exceeds the maximum supported size ... -server mode we had 650 smaller objects. None of them exceeded 2GB in size . So I don't

());             list.add("item-" + list. size ());   ... map.get("list"). size ();         }     } } support ... ("Expected one value, found: " + entity.list. size ());         em.close

Parent p join p.children c where c.age = 42", Parent.class).getResultList(). size ());    ... .children c where c.name = 'Foo'", Parent.class).getResultList(). size ());       ... .age = 42 and c.name = 'Foo'", Parent.class).getResultList(). size ());     

="debug") and logged to a file with limited size . We did not configure a log-archive (log-archive path="" retain="0"). That caused an exception when the log file reached its size limit ... Stocker Limiting the size of the log file without setting an archive directory is indeed considered

settings: The objectdb server process runs with -Xmx1g and the "consumer" runs with -Xmx2g. Message size ... also the servers, with different configuration (page cache size , query cache size ) for the metadata server

("Holders: " + holders. size ());         query.closeAll();         ... .execute();         System.out.println("Dependents: " + dependents. size ());  

after the crash we cannot delete specific objects, see screenshots of explorer. Database will be soon available ( size 5.561.119 KB) on hummingbird-systems.com, user/pw your db name, main menu option ... , coreSystemDb_.rar ( size 5.589.297 KB). upload is complete we are meanwhile in a problematic situation

space). Increasing the JVM heap size could solve the problem, or alternatively, tuning ObjectDB configuration to use less heap size . If the exception is thrown in embedded mode you may wrap relevant

).getResultList();         System.out.println(" Size : " + resultList. size

when the operation has started). You cannot disable that cache since it has a minimum size even if you request zero size . In some situations (e.g. when using flush that is followed by other operations and then commit

Extended maximum supported entity object size to nearly 2GB. Added a temporary system property to disable "enhancement ... is old" checks. Fixed a bug in handling remove and persist of the same ... property access mode. Fixed a bug in allowing page sizes larger than 64KB (which are not supported by ObjectDB). Fixed an issue of very slow online backup.

in which ObjectDB does not have enough heap space. Please try to increase the size of the JVM heap or change the configuration to use less heap size . support Support

size . We did not configure a log-archive (log-archive path="" retain="0"). That caused an exception when the log file reached its size limit. Here's the stack trace of that issue: com.objectdb.o

cached query result size . Since Java doesn't provide information on heap memory size of data

We are testing client-server architecture. Our server has the following config: path = "$temp" threshold = "64mb" / inactivity-timeout = "0" / size = "0" user = "true" password = "true" / path ... = "0" /                 size = "0" user = "true" password