ObjectDB Database Search

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression max (    Expression x ) Create an aggregate expression applying the numerical max operation. Parameters: x - expression representing input value to max operation Returns: max expression. Since: Jakarta Persistence (JPA) 1.0

These are questions asked in the context of the proposed architecture described in the forum thread titled, "Sample JDO Architecture for Follow Up Questions".   In the objectdb.conf file (attached to forum thread mentioned above), I set Database max -threads.  In the documentation

What’s the max transaction size, or how is it determined? Trianglehead Json Error The main limit is the available memory in the JVM. There is no hard limit. support Support

Error using query with MAX() function

Exceeding max connections and crashing

, where each group has a unique combination of values. Aggregate calculations ( COUNT , SUM , AVG , MAX , MIN ... a double . MIN : Returns the minimum of comparable values, such as numbers, strings, and dates. MAX ... values. min , least : Return an expression that represents the minimum of comparable values. max

file on separate storage devices, such as different disks, can improve performance. The max attribute ... to use for caching database file pages. The max -threads attribute specifies the maximum number

these examples, :min and : max are query parameters : x BETWEEN :min AND : max x = :min AND x ) Predicate gt1 = cb

for efficient reuse of one query in multiple executions. Result range settings (first, max ) - for paging ... ). ORDER BY (including ASC, DESC). Aggregates (COUNT, SUM, AVG, MAX , MIN). Query Expressions Path

the connection URL string, as explained in the JPA Overview section. The max attribute specifies

, LOWER, MAX , MEMBER, MIN, MOD, NEW, NOT, NULL, NULLIF, OBJECT, OF, OR, ORDER, OUTER, POSITION, SELECT

do not support aggregate queries ( max , min, count, sum and avg). ObjectDB supports rich queries

, max , ...) Criteria ORDER BY ( orderBy , Order , asc , desc )

BY and HAVING clauses ( groupBy , having , count , sum , avg , min , max , ...) ORDER BY clause

. A new log file is also generated when the current log file exceeds the maximum size specified by the max

of elements. Use the First and Max fields to set the result range. Select the Disable Cache checkbox to bypass

: less-than predicate. Since: Jakarta Persistence (JPA) 1.0 Expression max ( Expression x ) Create an aggregate expression applying the numerical max operation. Parameters: x - expression representing input value to max operation Returns: max expression. Since: Jakarta Persistence (JPA) 1.0 Expression min

. This includes configuration information such as max results, hints, flush mode, lock mode, result set

. Returns Integer.java.lang.Integer/ MAX _VALUE if Query.setMaxResults was not applied to the query object

Integer.java.lang.Integer/ MAX _VALUE if setMaxResults was not applied to the query object. Returns

to retrieve. Returns Integer.java.lang.Integer/ MAX _VALUE if Query.setMaxResults was not applied

and the others seems to be waiting in synchronized. Here are some ideas for checking: Smaller  processing =  max -threads (the default is 10 and you are using 400). Different values for  recovery = max (try smaller ... a while the recovery file is emptied and that may consume I/O operations. Maybe smaller max recovery

-8553-cc5688ba142d') ORDER BY MAX ($1.createDate) DESC   but this query returns an exception ... JOIN $1.recipient $2 WHERE ($2.id='22afeafe-363f-4397-8553-cc5688ba142d') ORDER BY MAX ($1.createDate ... $1 JOIN $1.recipient $2 WHERE $2.id='22afeafe-363f-4397-8553-cc5688ba142d' ORDER BY MAX ($1

.spec.MrProrationSpec STARTED mr.controllers.spec.MrProrationSpec max _rate_target_below_first STARTED mr.controllers.spec.MrProrationSpec max _rate_target_below_first STANDARD_ERROR [2020-09-03 22:03 ... :03:34 #19 type.registry] New type java.util.ArrayList mr.controllers.spec.MrProrationSpec max _rate

is retained as part of the named query definition. This includes configuration information such as max

Jakarta Persistence (JPA) Method in jakarta.persistence.Query int getMaxResults() The maximum number of results the query object was set to retrieve. Returns Integer.java.lang.Integer/ MAX _VALUE if Query.setMaxResults was not applied to the query object. Returns: maximum number of results. Since: Jakarta Persistence (JPA) 2.0

The application works fine with only 256MB heap size with objectdb 1.0  But on 2.0 even with max heap ... more than 64mb at a time. In this application my odb file that needs to be generated can be a max ... that is being generated reaches a size of around 700mb to 800mb (which is close to max heap size of 1012mb

 have at least 2GB RAM, I don't think that running the Doctor with 512MB max heap size ... Walkowski I just checked the 64MB sample database. With 512MB max heap size ( -Xmx512m ) it works ... seconds to rebuild a new database. With 256MB max heap size I got the same  OutOfMemoryError

=” Max ”; familyName=”Mustermann”; address=”26135 Oldenburg”] V1.1:  EntityPerson{ String name; String address; }     DB2: [name=” Max Mustermann”; address=”26135 Oldenburg”] V2.0: EntityPerson{ String name; String zip; String city;}     DB3: [name=” Max Mustermann”; zip

' And the Application stopped working. 2) * Batch ended at '2LG' * Batch ended at '2oq' * Batch ended at MAX ... ended at '2oq' * Batch ended at MAX If MAX is the last, then it looks like that every thing is ok. 3

with max results limit. Viewing all the objects of a class without a query and max result limit is not

servers one running JBOSS and other running ObjectDB. - CPU utilization of JBOSS server is max 5-10 ... are unclear. For example: - CPU utilization of JBOSS server is max 5-10% (per core) - CPU

and indices needs only more ram memory, but not more and more memory. And if the max heap memory is big ... . What happens when you run the program with a smaller max heap size?   support Support If I

(because it is stored on an Amazon EBS disk which has max performance at that size and reduces monetary fees by having ... on an Amazon EBS disk which has max performance at that size and reduces monetary fees by having fewer

= new String[2] ;   test[0] = "connection port=6136 max =100" ;   test[1] = "start";   ... command or argument: connection port=6136 max =100 (error 531) Am not sure this is the right place to ask

questions regarding the configuration entry: ... ... max -threads we have 16 processor cores and around 400 clients communicating to our core process, each accessing objectdb. What is the best ... -Georg Zwicker With 16 processor cores the optimum could be around max -threads="16

) INFO: Created EjbThreadPoolExecutor with thread-core-pool-size 16 thread- max -pool-size 32 thread ... EjbThreadPoolExecutor with thread-core-pool-size 16 thread- max -pool-size 32 thread-keep-alive-seconds 60

);   try {    long l = (Long) q.getSingleResult();    if(l Integer. MAX

of the $ file check the recovery max setting. support Support thanks, that helps hgzpincher Hans-Georg Zwicker

chapter 3).     The max attribute specifies the maximum number of simultaneous connections

collection option and explicitly set the min and max heap sizes.  Another option that affects soft

when trying to execute in explorer ( max heap size 1GByte) delete from LogEntry l it comes up with a Java heap error after 20 minutes of executing. How to empty such a table ?     hgzwicker Hans-Georg Zwicker This may be because the transaction size is limited by the heap size

I have a Max OSX Lion and am running Netbeans 7.2 with Glassfish 3.1.2. I download the tutorial and run it. The moment I type something in the sign in block and click add, I get the following error trace: (Does anyone know a fix?)   WARNING: EJB5184:A system exception occurred

the JVM takes the entire 8GB for the heap + additional RAM for other elements, so for example, if the max

;  enabled     CPU(s) scaling MHz:   58%     CPU max MHz:    

to have configuration settings to control the connection pool (min/ max connections, etc...). Thanks, Carl

There seems to be a bug in the JDOQL processor in recent versions of ObjectDB. I've uploaded a "laptop" example to demonstrate the problem. The query in Test1.main should return "ThinkMachine MAX SX ... ) correctly return "ThinkMachine MAX SX 20". Regards. kk8yukawa Keitaro Yukawa Thank you for this report

ObjectDB 2.8.7.b08 Our entities are not enhanced and we execute a query "select max (uid) from ModelElementImpl". In the objectdb.conf the reflection is set to error. ...   We got following ... ;    "select max (uid) from MyEntity").getResultList();      

= "$objectdb/log/odb" max = "8mb" stdout = "false" stderr = "false" / path = "$objectdb/log/odb/archive ... " max = "8mb" stdout = "false" stderr = "false" /              

widthPxSideBarLeft = 250;     @Min(150)     @ Max (400)