ObjectDB Database Search

; }     return setOfOtherEntities;   } Now consider a number of OtherEntities ... well, so, the TreeSet is reduced in size? Or do I end up having a number of null pointers in the Sets?  ... could it potentially lead to a number of different exceptions, depending on state, query type

is executed by a ThreadPoolExecuter and the result is stored in ObjectDB. Due to huge number ... and adaptor, pessimistic lock is used. Is this exception due to the limited number of supported thread by ObjectDB? (The default number of supported threads in ObjectDB configuration file is 10

limiting the number of result objects . If you must support very large query result sets, check the temp ... on your application. Reducing the number working threads in the server can also help. More specific analysis ... ;There is an easy work-around, which is to divide up the deletion into smaller number of objects.  I

entity of the parent entity with entityManager.remove the parent entity still has the wrong number ... ;testRemoveVariant1(). Before the entityManager.refresh call the parent entity has the wrong number of child ... (). Before the entityManger.refresh call the number of child entities is 4 and not 3. This is the reason

files. After conversion I got a slightly smaller file with same number of objects (e.g. 3,3GB old ... . 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 ... , it seems that number of query results have large effect on speed, especially if we exceed certain threshold. Regards ... is different, possible due the size of the results (probably related to the number of related objects) First

if you provide the exact build number that you use (or upload the ObjectDB jar file). support Support Please find the attached object db jar. binitbhaskar Binit Bhaskar I couldn't find the build number ... number of the odbee jar which is being used is 2302 .  Regards, Binit Bhaskar binitbhaskar

how is the number of persistent objects counted. We unfortunately don't have the objectdb file anymore, but we have some doubts, that the number was not reached by the internal entitities. @javax.persistence.Entity ... (); } Could you please confirm us, how the licencing works in this case? Are only internal entities counted to limited number or

to work with numbers (milliseconds) rather than with dates. But this will not be a portable solution ... create or replace FUNCTION DATE_DELAY ( DATE IN DATE , PERIOD IN number , DELAY_PERIOD IN number ) RETURN

. SQLite in comparison responds within few seconds on average with the same number of records. We hope ... for about 60 seconds. By this time a number of new records are already being added by ... all of today testing with the index that you recommend as well as a number of others. The problem

Bhaskar In ObjectDB 1.x object IDs where always unique long numbers , so these numbers could represent ... , object ID). You should be able to get the number by casting the object ID (which is returned from

Interesting question. LIKE is a query operator for strings not for numbers , and apparently JPA does not define a standard method for converting numbers to strings. However, you can make use of the ObjectDB ability to run Java methods in queries and convert numbers to strings using the static method String

based on the number of search terms. For example, for two search terms: TypedQuery query = em ... there is one index, implemented using one BTree, for the entire database. The number of entries in this BTree may be much larger than the number of Page instances in the database, because each Page

nodes2 derives from nodes1, the type nodes1 derives from nodes. Whether the number is random may be not ... ? Notice that your code uses random numbers to populate the database, so different runs are expected to generate different results. If you can post a simple but complete program with no random numbers

;      System.out.println(" Number of children = " + myEntity ... !");   } else {    System.out.println(" Number of children = "      ... (MyEntity).leftJoinFetch(Collection1) = 40000 entities Depending of collection1 items number

] button after select the entity class and specify the number of objects in the dialog box,  ... select the entity class and specify the number of objects to construct. Click the Create and Persist

[2011-08-12 02:51:23 #32 query.compiler] Number Of objects for com.contextspace.datamodel.party.CDI ... :51:24 #38 query.compiler] Number Of objects for com.contextspace.datamodel.party.Organisation is 800

the output, the exact number of miliseconds are clearly displayed. Please check the code ... , focused and only with relevant details).   In the output, the exact number of miliseconds

; I understand that the ObjectDb.conf value I specify ( ) is a HINT to the number of PAGs ... ; (Are those additional PAGs freed after the commit?) What I don't understand is that the number of PAGs

all the invocations of emf.createEntityManager and em.close and see if the numbers are synchronized, as ... . If you find that the number of open and close invocations is the same and you still have a memory leak

This parameter (if not 0) sets a semaphore that limits the number of threads that can access the database file concurrently (queuing additional threads if any). The number of working threads in embedded mode

dedicated load balancing tools. ObjectDB doesn't limit the maximum number of allowed concurrent connections, but they are limited by practical factors such as thread numbers (depending on your operating

number of entries Get 25 consecutive entries (i.e. 0-25) Get one specific entry On average each ... managed to figure out: how to get the total number of object in a database without retrieving

to update/remove a large number of objects? I've had success with the "drop" keyword in ... ) but this is painfully slow when there is a high number of large objects. thumbripper Richard Szurgot Currently

is the root. The query also contains a number of other predicates and it is built dynamically using Criteria API. It could be looking for other number of levels, 2 is just an example. The test query

. This difference becomes larger when the total number of objects of that type in the database ... much more database pages. This difference becomes larger when the total number of objects of that type

In reference to the information here:  https://www.objectdb.com/java/jpa/setting/database#The_processing_element _   We are working with an 8-core processor.  The recommended thread count is "more than the number of cores but not too many."  What would be an appropriate number

the last problem. Now it has issues searching on numbers , even though the number is stored in

activation code ? madhuarish Bhanu Pathak Maybe the number of classes is less than 10 and the number

Hi I'm brand new to objectdb and I'm trying to create an objectdb from a sample db via jdbc. The code all works and for a few thousand records but when I increase the number of records I ... .3.7_13. When you increase the number of records in a transaction ObjectDB has to use temporary

performance). Complex heavy queries with several JOIN operations require examining large number ... ) of the executed query plan (always 1 unless a hint is provided), the total number of query plans in ... (filtering is required because of the huge number of possible query plans). A new version of ObjectDB 2.8.3

and involves many difficulties) we will not be able to support unlimited number of Page instances ... from the heap dump, such as type and number of instances of these byte[] elements in the heap, as ... dump. The screenshots shows a summary in ' number _of_instances' and the paths to these objects from

CAP Dev What is the exact version/build number of ObjectDB that you use in production? support ... the ObjectDB build number to get more information, as the line numbers in the stack trace do not match

with additional information about the section (e.g. section number ). Somehow these two specific  ... and no corruption is currently found in indexes in the provided database (except number of entries ... = '(XX)' if you take away the last condition you can see a lot of fitting results, a number of them fit

database file with no statistics). In the current implementation ObjectDB estimates the number of index entries to iterate over, given an exact key, as the number of total entries in the index divided by the number of different keys. ObjectProperty has 47,581,595 objects and 397,009 different

. For a number of different List fields, a query performed immediately after creating and persisting ... ][project=TEST: project 1][id=47][name=deep integer quantity ( number of rooms)], [class=BooleanValue ... : project 1][id=47][name=deep integer quantity ( number of rooms)]) INFO: ConfigBean []: testQuery

; Large number of query plan combinations (32768) in query select o from ObjectNode o where o.nodePath ... operations) and probably updates that change the number of 2K sections in the objects. Unfortunately ... the error seems to be related to changes that change the number of 2KB sections in ObjectNode instances

I found the following stack trace in my log files; it's cropped up a number of times: [2013-08-23 14:05:23 #187 *] [ObjectDB 2.5.2] Unexpected exception (Error 990) Generated by Java HotSpot(TM ... shows up a number of times, and today at 10:14 AM PDT we started getting the mismatch client-server

[]: Created: com.greensoft.entity.value.FloatQuantity [null](TEST: number quantity) INFO: RequestBean []: Persisted: com.greensoft.entity.value.FloatQuantity [44](TEST: number quantity) INFO: RequestBean

application - access is typically a number of persists as a request enters the system, several gets as ... for IDs, are usually slower. Use numbers if possible. Even a composite primary key of 2 long values

about how you use ObjectDB, i.e. client-server or embedded mode, number of databases, hardware, operating system, JVM, ObjectDB build number , etc? Do you have recovery enabled? Is there a chance that the database

Improved query plan evaluation and selection ( issue #2379 ,  issue #2 417 ). Increased the number of combinations examined by the query planner ( issue #2379 ). Excludes old unused ... a query hint ( see issue #2379 ). Added logging when the number of allowed entity classes

', you can find a number of these objects linked to objects with nodePath '/(EL)...' ad 4: we will try ... : the ObjectNode.nodepath is like '/(EL)ANYNAME/(EX)F', you can find a number of these objects linked

will be rebuilt. Are these new indexes? If ObjectProperty has millions of objects then the numbers (0, 1) in ... where these numbers (0,1) are comming from. in some minutes we have the rar of the corrupt database

the number of simple entity objects in the database Retrieve the simple entity object using find by id ... the number of simple entity objects in the database Commit the transaction The count operations in step 3

:1056) ... 27 more Before this error I was getting a large number of EntityNotFoundExceptions: [ObjectDB ... on persistance. I've attached the database in question. ObjectDbDoctor finds a number of errors in

; ... itsme Martin Petzold It is usually difficult to know the total number of schema versions ... necessarily causes exceptions, but if you are sure about the number of schema evolutions then it reduces

indexes . Improved processing of queries with a large number of variables ( issue #607 ). Improved ... on detachment to null (rather than empty collections ). Fixed a critical bug in handling a very large number

(except that this may be related to using large number of entity classes and/or sequences). Can you post a test that causes ... This was a critical bug that could corrupt databases when the total number of entity classes, indexes

. Can you post the query? Does it have a large number of variables ( 20) ? support Support Hi, Yes ... the limitation on the number of variables in a query. support Support