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supports also online backup, for backing up an ObjectDB database while it is in use. This is useful ... . Starting Online Backup The online backup can be started by executing a special query on an EntityManager ... side at backup/201912312359/test.odb  under the ObjectDB home directory. Online Backup Thread

and also write) failed with an exception during an online backup of the same DB file was running and was close ... related anymore to running of online backups. Maybe some new bug was added to the code ... (JdoQuery.java:748)     jakab Gergely Jakab Build 2.6.2_05 changed only online backup code

online   Developer's Guide/Manual . ObjectDB Manual in PDF format is included in ObjectDB distribution download . Online searchable JPA API Reference  (based on JavaDoc). Online searchable

Hi, I would like to try the Online Backup tool as I am making backups up to now with the not encouraged file-copying method while the database is online . So my first question is to this file-copying. I've read at the Database Doctor that copying the db file while it is online may cause

hi   from time to time i get exception during online backup in server/client config ... Wozniak Thank you for your report. I will try to reproduce it by a test that uses online backup ... which is executing test. In first step provisioning is executed and in a second online backup and as I

Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no exception is thrown, backup files aren't created. When I turn on DEBUG logging in ODB, I ... ) and it doesn't seem to be related to the online backup. Please post the code that you are using to run

Hello, we have issue with online -backup when using client-server mode. It seems, that it is working the following way. When we run the backup, server is creating tmp file for whole database ... you have two options for online backup: If your specify a File instance as the target parameter then a temporary

We're using the following to trigger an online backup and we're trying to implement server-side online backup (as discussed in https://www.objectdb.com/forum/2737). EntityManager em = database.createEntityManager(); TypedQuery backupQuery = em.createQuery("objectdb backup", Thread.class

Hello, Are there plans for ObjectDB to handle incremental online backups, where a backup does not create a whole new copy of the DB, but "updates" an existing backup? This behavior would make backups much faster as only a portion of the data would need to be copied. Such a feature would also allow

Hello, I have a request for improvement in the area of backuping. For catching the exceptions during online backups, I am using the solution suggested in the post  2786 Well not exactly, because there is written to use Thread.setDefaultUncaughtExceptionHandler() which is a global handler

Hi, As in topic. " online backup" fails when executed in embedded mode. Everything works fine with server mode. java.lang.NullPointerException at com.objectdb.o.BAC. (BAC.java:63) at com.objectdb.o.MST.U4(MST.java:1764) at com.objectdb.o.MST.U3(MST.java:1745) at com.objectdb.o.WRA.U3(WRA.java:498

An ObjectDB database file can be backed up simply by copying the file (with the associated recovery file if exists). This should only be done when the database is closed. Online backup will enable backup also when the database is open and in use. support Support Online backup  is now implemented in ObjectDB 2.1. support Support

Online Backup degrades responsiveness.

; private String lastIp; private int flags; private int perUser; private boolean online ; private boolean ... setFlags(int flags) { this.flags = flags; } public final boolean isOnline() { return online ; } public final void setOnline(boolean online ) { this. online = online ; } public final Language getMainLanguage

only? And. is there a way to backup specific entities only? What is the overhead of online backup ... this feature is released). Currently ObjectDB online backup backs up the entire database including all the entities and indexes. The overhead of online backup and transaction recording (that are used

a database when it is in active use is unsafe. With ObjectDB 2.x you should use online backup  for this purpose. support Support Thanks for the reply. I went through the online backup web page

. There is a plan to support running the Doctor online (against an open database) using an API that is similar to the current online backup (i.e. by running a special query against the database). support Support

to SlaveDB. When MasterDB comes back online it will have missed any activity that occured during the downtime ... and then MasterDB would become a slave when it comes back online . Or something similar... Let me know

?  The online backup feature appears to copy the dead space as well so isn't performing ... We are trying to optimize the database size due to the time it takes to perform an online backup

transaction either commits or rolls back? Since ObjectDB implements online backups, does it implement ... , changes before commit are invisible to other users. Since ObjectDB implements online backups, does

a Master Database to a Slave Database and then recover back to the master when the master comes back online ... A should be automatically transformed into slave when it comes online again. In this way

Hi, I have been encountering an error when my odb file is larger than 512kb "Too many objects for this ObjectDB Edition." I haven't been able to find any info about this online and was wondering if anyone has encountered a similar problem. I had been using an older version of ObjectDB

only online on ObjectDB website. Hopefully, a PDF version of the manual will be available later

again it should be recovered automatically. In addition you may use replication and online backup

ObjectDB 2.1 has been released and it includes important additions and fixes: Added Online Backup utility ( issue #16 ). Added Master-Slave  Replication / Clustering (issue #17 ). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects

My questions is about : 1-) Can objectdb server handle 200.000+ connections at the same time concurrently ? Does it have queue and cache ? 2-) is it dangerous to use that system on many online users ?   kadirbasol Kadir BASOL Having 200,000 concurrent threads is probably a bad idea. Usually

Gazal It is seems to be online now. support Support Sorry. Then its probably a proxy/firewall issue here. Thank you for the quick response. gazal Mohamed Gazal

servers are taken offline, updated, then put online . The remaining 2 servers are also updated. 

seem to be present in the online ObjectDB JDO annotation list, so this may not be supported by ObjectDB?  

The online manual is always expected to be up to date with the last ObjectDB version.  First, I've

database due to inconsistent file structure. The online backup prevents that by delaying any changes

This report was moved to the online   issue tracking  system. support Support

the exact functionality that you suggest. When using the online backup ObjectDB creates a backup database

. But since it is a background tool (integrity check can be done on a backup copy generated by the online

files or at least estimate sizing. Because I use objectDB in online game, and every day

Is it possible to make a backup from the explorer? jastorga Juan If the database is not in use you can use the File Open dialog and then copy and paste on the database file (right click a database file to see the copy command). But a safe online backup (while the database is in use) is not supported. support Support

other users: issue 1137 , issue 1142 , issue 1682. At least issue 1682  is related to online backup and was fixed in version 2.6.3. Are you using online backup when the exception

online backup with no arguments . Added option for running the Doctor without activating disabled indexes. Fixed a Doctor bug in fixing old (

isPreferred() { ... } ... Although some of your online docs refer to JavaBeans set and get methods

I would like the capability to change helpdesk support ticket page titles. Or if there is a way to already do this please describe. [EDIT: sorry I don't know how to key this to your online helpdesk system as opposed to the objectdb software version] webel Dr Darren Kelly You should be able

. We may also increase the priority of a plan to implement an online doctor that can work on a running database

Added support for manual starting of online backup threads ( feature request #2855 ). Improved query plan evaluation. Fixed a regressing performance issue in build 2.8.9_01.

regards, Rainer btc_es BTC EmbeddedSystems Heap dump is online . As described before: - using

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.

We need a way to do a ( online ) backup to a user defined backup-destination. Maybe in that way: backupQuery.setParameter("targetfile", new java.io.File("/User/Backup/test.objectdb")); which should create a backupfile with the name ' test.objectdb " in the directory ' /User/Backup/ ' or backupQuery

be that bad but it has to be checked. Another thing that you can do is frequent online backups followed

Added Online Backup utility ( issue #16 ). Added Master-Slave  Replication / Clustering (issue #17 ). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects (included in the download). Added support of disabling optimistic locking

Added a new Doctor.run(srcPath, dstPath) static method. Added an option to exclude inherited @Id fields in embeddable classes. Added support for manual starting of online backup threads ( feature request #2855 ). Added support for distinct mapped-by (inverse) fields. Improved query plan

Added an option to disable some query execution optimizations. Added an option to exclude persistence aware enhancement ( feature request #1683 ). Added an option to use temporary files for very large transactions ( feature request #1658 ). Fixed an online backup bug (no access during backup

it could be solved via a special Query like "objectdb backup" which is used for online backuping. jakab