About recording

manual

Database Transaction Replayer

Explains how to use the ObjectDB object database Replayer tool to restore recorded Java/JPA/JDO actions.... record its internal engine operations in special binary recording (journal) files. Recording is enabled by default and can be disabled in the configuration . ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO.... path = "." max = "128mb" /> <recording enabled = "false" sync = "false" path = "." ... The <recovery> element The <recording> element The <locking> element ...

 
forum_thread

Replaying recorded requests...

Hi, I get the following when ODB starts in embedded mode: Replaying recorded requests... then I get something like 500 lines of recordset information. Here is the relevant part of the config file: Questions: 1) Why am I seeing this if I've set recording enabled to false? 2) I... path = "." max = "128mb" /> <recording enabled = "false" sync = "false" path = "." ... Questions: 1) Why am I seeing this if I've set recording enabled to false? 2) Is this because I'm somehow not closing a ...

 
forum_thread

find repeated records by JPQL

Hi, I know a single command in MySQL can find repeated records: Select * from TTT t where id in (select id from TTT s group id having count(id)>1) I dont know how to do this using JPQL, but I use query from 430,000 records and put them into hashmap, finally it cost one hour and failed: #1 2011-08-18 14:09 Hi, I know a single command in MySQL can find repeated records: SELECT * FROM TTT t WHERE ...

 
forum_thread

How to Remove records from many to many relationship tables in JPA

Hello All, I am getting the constraint violation exception whil deleting the entries I have Relation tables    TransportationEvent  and Conclusion  , relations like #1 2013-05-22 11:32 Hello All, I am getting the constraint violation exception whil deleting the entries I have Relation tabl ...

 
forum_thread

large numbers of records

Hi, does anyone have experience with database with more than billion records (ie. more than 1000 million records) in one table. What is the limit of ObjectDB and is the database still fast. We are planing to do an application which handles document records and there metadata. #1 2016-04-11 15:52 Hi, does anyone have experience with database with more than billion records (ie. more than 1000 million records) ...

 
issue

Allow to see more records on website

Not sure if we should post this here but there're a "Website" Marker type for issue so I'll try that. It'd be great to see more records on your website at once (i.e. in the task tracker, forum etc. etc.) and to customize that view how many items per page one would like to see.  Website Version: 2.0.0 Priority: Low Status: Fixed Replies: 2 Type:  Website ...

 
forum_thread

RT Java application recording into 100DB run OOM after a few hours.

Hi, I am running a java application that records data from 100 feeds into 100 different database - this is done is one thread. It works fine several hours - and suddenly i got an out of memory issue (I checked there is no leak in java - I cleared the entity manager every 10 new entity). 1/ I use the default objectDb.conf (i mean i dont use any - so it must be using the default somewhere). 2/ Using Netbeans, I profiled the application and I noticed that there is one thread (ODB FileWriter) running for each open DB. #1 2015-01-02 20:11 Hi, I am running a java application that records data from 100 feeds into 100 different database - this i ...

 
forum_thread

Not able to update records

Hi,   I am tring to update the simple object by using Update query by i am getting following exception [ObjectDB 2.4.4_15] javax.persistence.TransactionRequiredException Attempt to run update query when no transaction is active (error 611) at com.objectdb.jpa.JpaQuery.executeUpdate(JpaQuery.java:758) Following is the code i am executing   #1 2013-02-26 06:13 Hi,   I am tring to update the simple object by using Update query by i am getting following ...

 
forum_thread

Wrong data stored in time only fields

This may be related to the fix for the problem described in this thread: Wrong data stored in date only fields. The object and its date and time fields are the same as in the referenced thread. Except we are using ObjectDB 2.6.4_08, the system time zone is set to EST and both the OS and JVM are using the 2015g time zone data. ... Date startDateTime ; // Time stamp: start of recording in local time zone private Date startDate ; ...