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(); } } Should I separate the deletes and adds into separate transactions? I think I remember reading ... to consume more memory. Since you are asking about add/remove operations rather than read operation

module, no automatic modules, no --add- reads /opens/exports, etc.)  This included ObjectDB 2 ... , therefore, an automatic module is made to read every other named module, whether automatic or explicit

Hi all,   I have a master/slave code so that each slave reads a subset of points of the same database. ObjectDB entities do not allow serialization and so I have sent, to each slave, the file ... local mode. Therefore the server and the node have permission to read and write in the output

I've had a quick read through the features/FAQ and haven't been able to find a clear answer. I'm looking at replacing a setup of H2 where I have 40GB in-memory backed by 800GB on-disk, the 40GB in ... excessive query times in reading in 1 large file? traditionally I would use partitioning to split

parent for read only purposes (maybe using dto)? When I load them by parent.getChildren() (lazy ... overhead with every persistable object. Therefore, if you can reduce the number of objects that you read

Hello ObjectDB community! I am new to ObjectDB, already read about it, but never really got my hands on it. I was reading through some forum posts, issues and the documentation to see if ObjectDB would be an option for me and in the end I came to the result "not yet". Here are my requirements

Hi Support Team is there any valid way to read the correct lincense state from the program? Background : We have an OEM License of objectdb. I'm building our application automaticly via gradle ... and testing the all installers. If I could read the (valid) licensestate programmaticly, I

this error on http://www.objectdb.com/issue/new com.objectdb.o.InternalException: Error reading UTF string com.objectdb.o.InternalException: Error reading UTF string     at com.objectdb

[org.jboss.as.jpa] (MSC service thread 1-4) JBAS011401: Read persistence.xml for guest-pu 08:17:23,103 INFO [org.jboss.as.jpa] (MSC service thread 1-7) JBAS011401: Read persistence.xml for paltzefomat

for update, write . read , create Users it to be syncornized into signature or with the word syncornized ... singleton for read , update, write at db if 2 client it call the methods on mode concurrent????? write

is described on this manual page . You can use it for a cluster of database servers, with one read / write master and several read only slaves. support Support Thanks a lot. I have followed the given

application, I don't have the source code for. So far I used object arrays and reflection to read ... page. support Support It works! Thank you so much! (I should have read the documentation more carefully) r.steber Roland Steber

I am oberving that when i reading anything from odbfiles, i am not allowed to copy and paste the odb files in the file system but the same i was able to do it in object db 1.0. We supprt export functionality and if i am not allowed to copy it in objectdb 2.x, then its a problem

, it must be read from the configuration file. b) ) Is it possible to place the configuration file in

Hi, I am evaluating ObjectDB by using it with an in-house developed library in order to prototype its capabilities / performance. I am having a problem in that the in-house library in question reads a simple configuration file to determine available persistence units, and then bootstraps

have tried the below and it works but not sure if it's the best way to do it or not? public Person read

me before I start? Thanks so much for reading taher9990 TAHER AHMED BAHASHWAN In this forum

; My application can work with the DB file without difficulties though ( reading and storing the embedded type

When I read your clarification at #3 I first thought that you were using a different machine in

it to the 'table' MetaClass, but read the value val = obj.getName() and persist it to the 'table

read that section carefully, thank you. The connection parameter: is for any JPA, and not just

Hi, I've never used an OODB, I'm looking for a starting point but a recurrent concern is the Data Portability one. More clear: what options / strategies do I have to export / move my data to another  tool, if there is a need to? One key point of Ojectdb (as far as I had read ) is Code

Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. (at a minimum one ought to be able to manually refresh, for example the list of persistent types). additionally, it would be useful to be able to view an embedded database ( read only mode

on the middleware which I didn't quite understand the first time I've read it: Libraries deployed

, and a soft reference when the byte[] only needs to be read and sits in the cache until more heap RAM

, but not read . The "toString" method always tells me that the flags are null. Flashbaer Flashbaer

, so you will have to implement your own custom DSN driver (possibly read only, if your aim in just retrieving data). support Support

Good day! I wrote some JUnit tests that create separate objectdb databases and exercise the entities therein (via read /write operations). The tests run fine individually, but when I run "all tests," one fails consistently with the message: com.objectdb.o._JdoUserException: Object 'actr.model

Trying to read from ODB we are experiencing the following Internal Exception.  Any ideas? Caused by: com.objectdb.o.InternalException at com.objectdb.o.BYR.s(BYR.java:113) at com.objectdb.o.BYR.A(BYR.java:206) at com.objectdb.o.STT.m(STT.java:111) at com.objectdb.o.TYR.readStringValue(TYR

version of ObjectDB and extract the zip file. Make sure that everyone has read /write/execute permissions

Greetings ObjectDB Users! I'm new to the product, and I've setup a simple test after reading the tutorial, and I'm running into some issues with queries, specifically querying by primary key.   I have a domain object class Called Department, which has a member of type DomainId. 

HI I am trying to use @PrePersist annotation in my project.This application is using struts2 with jpa combination .so can u please tell me how to us this annotaton before save the record into persistence.   claerly how to use in pojo and in action class rameshanem rameshanem Please read this manual page . support Support

We are decided to move our products from 2.6.1.b06 to 2.8.4, could you confirm that new objectDb 2.8.4 is fully compatible with many already created databases based on 2.6.1? So, it means that we need to be sure that new objectDb 2.8.4 could read /write to databases created by 2.6.1. Please confirm

We are having problems with optimistic locking. I made a simple test case to try to induce an optimistic lock. I have two users logged on to our system.  They both read and display the same data.  Then I change the data with user 1 and submit, and then I change it with user 2 and submit

. Only reading from entity manager doesn't increase the amount of PMImpl and QPtBearbeiter ( I will deliberatly

condescending answers to beginners like "why don't you read a book first", "you should take a course

Hi,  we are planning to implement monitoring feature for the increases in database size. I did not find if there is some query for that. Currently we are working on solution, that we simply read the size of filename directly from application. But in case of client-server use in future

this architecture, write operations have to be directed to the master, where read operations

for backup and I read the docs many times but I'm still not sure I understand.  

in this case is not very useful. In general, it indicates an unexpected data format while reading

. On the other hand multi line query can be tough to read from log files. I was thinking

the vacuum. If there is no way to do this other than manually implementing code to read , delete, and write

, reads /s - total inserts, update, deletes, reads - I/O operations/s - caches current usage - uptime

.AbstractNioByteChannel$NioByteUnsafe. read (AbstractNioByteChannel.java:166) at io.netty.channel.nio.NioEventLoop ... (DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe. read

and multiple disks, and splitting read activity between slave servers. increasing RAM

Hi! when I run my application where 10 threads are concurrently accessing ObjectDB (only reading ) via using ExecutorService, then these 2 mistakes are coming rapidly: 1. Caused by: com.objectdb.o._JdoObjectNotFoundException: Entity is not found: eu.extech.data.versioning.ProductVersionHistory#3669

package; you can verify that it is being read at run-time by introducing an error such as an invalid

request, so it should have been posted to the forum and not to the issue tracking system. Please read

with a server-based database - 2 writing to the db, one reading . I had added an index to a property

inheritance information is stored in the database, but not for enum types), and therefore cannot read