About temporary

General Settings and Logging

Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section.... To meet memory constraints ObjectDB can use temporary files in processing of large data, such as query results that contain ... of objects. The <temp> element specifies temporary file settings: The path attribute specifies a ...

Exception when dataset bigger than treshold

I was working on reporting service for my application and found a problem with datasets bigger than treshold set in objectdb.conf. ... ObjectDB has failed in creating a temporary file at /tmp/ObjectDB/789641482/BatchQueryItr_0.fls. ... The only problem is with ODB when there is a need for temporary files. edit ...

Doctor - high memory usage

Hi, Is it possible to reduce Doctor memory usage? Right now for recovering 67MB database, I need to set heap space to at least 450MB. Even then whole process takes ages. Optimal setting for this database is about 650MB. It's about ten times of size of database. ... You may try decreasing the temporary file threshold . The Doctor will use less memory and more temporary files, but it might become even slower. ...

Index causes increased memory usage

Hello, ... plan uses too much memory. You can try decreasing the temporary file threshold , but that may slow performance. To ...

Memory leak with OutOfMemoryError exception

Hi, I'm new to using object databases. Currently I'm experience the following error: ... the following default ObjectDB settings: Temporary data RAM threshold . Page cache size ...

lockfiles in client/server mode

i have an objectdb server running on localhost as user "objectdb", spawned like so: java -server -cp /usr/local/share/objectdb/objectdb.jar: com.objectdb.Server -conf /etc/objectdb/objectdb.conf start it has naturally created and taken ownership of /tmp/ObjectDB. ... and the client that try using the same directory for their temporary files. Changing the temporary directory path on the client side should solve the problem, so maybe ...

2.2.8

... (< 2.0) database files. Fixed a temporary file creation problem . Fixed a bug in size evaluation ...

Possible issue with String fields

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 get the following " ... as a regression bug (added in build 2.3.7_14) in handling temporary file path. Please try build 2.3.7_16 that should fix it. If ... the number of records in a transaction ObjectDB has to use temporary files. Even after a fix, it would be better if possible to avoid ...

[ODB1] Chapter 5 - JDO Connections

The PersistenShows how to use database connections and transactions in JDO. ceManagerFactory interface represents a factory of database connections. Its main role is to provide PersistenceManager instances. The PersistenceManager interface represents a database connection. Every operation on a database requires a PersistenceManager instance. The Transaction interface represents a transaction on a database. Every operation that modifies the content of the database requires an active transaction.[toc hidden:1]... writing to the database it stores the changes in a related temporary file in the same directory as the database file. For instance, a database file named db.odb , would have a corresponding temporary file named .$db.odb$ . After the transaction is completed the ...

2.4.0

... on unexpected network failure. Improved temporary file management including avoiding permission collision . ... (< 2.0) database files. Fixed a temporary file creation problem . Fixed a bug in size evaluation ...