ObjectDB Database Search

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

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

). The OutOfMemoryError crash when running the Doctor is probably due to insufficient heap size . The Doctor seems to run fine with the default JVM heap size on a PC with 16GB RAM. Did a server restart solve the issue

side in C/S mode) still keeps the changes in memory until commit. As a result, the transaction size is limited by the available JVM heap size . Actually to be able to store 1GB of data in a single

Hi Team, We are observing an Out of Memory error while accessing odb files, but it occurs inconsistently. The sizes of the odb files are not large, with a maximum of 4-5MB. Please see the attached ... , Vinoth vinothr120 Vinoth Ramesh OutOfMemoryError is expected when the heap size is insufficient

. that seems reasonable 1. Our server does (minimum) one database-file backup per day and the size may be in between 100 MB to 1GB (without documents) which means the size of the backup directory will increase

.getName()));     criteria.where(predicates.toArray(new Predicate[predicates. size ... Predicate[predicates. size ()])); return em.createQuery(criteria).getSingleResult();   String queryStr

Harman company requested to reduce ODB size as much as possible after database created and one of unliked solution was to use ZIP/UNZIP after/before use object DB database. Harman would like to ask ... ODB size up to 50 times. Additional info: https://www.objectdb.com/issue/23 Harman Alexander Golyshkin

Size : Our MySQL database was 66GB in size before migration. Migration Status : We are halfway

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();   

("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

.objectdb.o.IVP.l(IVP.java:148) at com.objectdb.o.IVP.k(IVP.java:130) at com.objectdb.o.ISP. size (ISP ... .ISP. size (ISP.java:164) at com.objectdb.o.CLT.visitRefs(CLT.java:156) at com.objectdb.o.TVS.j(TVS.java

.getResultList(); System.out.println(" size : " + result. size ()); We get an exception: [2016-11-14 12:48:56 #1

than when it's not during the busy time of the day. The db is working fine. But it has grown to 20gig in size with 79 million records. I don't know if it's because the size of the DB making the backup process

No idea what happened.  A simple getResultList() opearation. DB table affected size is ~ 26000 records, physical DB file size is ~ 8.5MB Thanks for any help ! Leon log file: ------------------------------------------------------------------------------------------------------------------------ [2016

As discussed and demonstrated in this forum thread , collection operators and methods (IS EMPTY, SIZE , MEMBER OF, IN) are currently not supported for mapped by (inverse) collections ... ; //System.out.println(query.getResultList(). size ());         // SELECT a FROM