ObjectDB Database Search

; The element To meet memory constraints ObjectDB can use temporary files when processing large data, such as query results that contain millions of objects. The element specifies temporary file settings: The path attribute specifies a directory in which the temporary files are generated. The $temp prefix

how critical the problem for our application is.   btc_es BTC EmbeddedSystems A new temporary file ... -file is enabled. In the new build (2.6.8_08) the temporary file is deleted when the database file ... today. Still, ObjectDB deletes all unused temporary files periodically (also in 2.6.8_06

currently the doctor is creating the temporary files in the system temp folder. Is there a possibility to explicitly change that to another folder (which can be excluded from virus scan ... , which indicates the default system temporary path, you should be able to change that default

Temporary disabling of indexes?

indicates that it is a temporary database. By default, the tmp and  temp  file name extensions represent temporary databases that can be dropped, but this can be configured . EntityManager

a list of file name extensions that can be used for temporary databases (usually in tests). The content of these temporary databases is deleted when using the drop URL connection parameter . The elements

the ObjectDB home directory, and $temp , representing the system default temporary path, can be used in any

further version. Can you implement it that ObjectDB used temporary files? btc_es BTC EmbeddedSystems ... which this data is written to a temporary file. Even without speed optimizations, but with priority ... EmbeddedSystems Although ObjectDB already uses temporary files for many activities (e.g. processing large query

Keskes ObjectDB deletes its temporary files in 2 ways: Every process deletes its own temporary files ... temporary files of other processes that are not locked (active temporary files are always locked ... a separate class loader) manages its own directory of temporary files, e.g.  /tmp/objectdb

temporary file that holds information about uncommitted flushed updates when the EntityManager ... is considered temporary . Version 3.x (currently in development) will add better support for large ... EmbeddedSystems Although the exceptions in #1 and #13 seem similar and both are related to the temporary

using the same directory for their temporary files. Changing the temporary directory path ... ). A better solution could be changing the permissions of the temporary directory ( /tmp/ObjectDB ) in a way ... that ObjectDB uses temporary files.   support Support thank you for the quick reply! for the time being i

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 temporary file is marked as obsolete (and for efficiency, it is deleted

temporary file path. Please try build 2.3.7_16 that should fix it. If it doesn't - please try build 2.3.7_13. When you increase 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 temporary file (to improve efficiency

Lukasz Walkowski I cannot see any problem now. Maybe it was a temporary problem ... several times and all links work. Maybe it was another temporary problem. support Support I confirm, m2 ... again now. It might have been a temporary networking issue. support Support

memory allocation (and uses temporary files instead of RAM) when memory usage is high, but it is far ... threshold setting. If you reduce the threshold then ObjectDB will use temporary files instead of RAM more often. Processing complex queries may require using many temporary lists, so unfortunately

Ralph Moser The exception is thrown because of a problem in reading a temporary file that is used in an update query, but the cause is unclear, and according to your report that specific temporary file ... case, but it works well (also with low temp file threshold and temporary files): import javax

; } } But this works, storing the test in a temporary variable: test = lz.getPresent().getValue() != null ... where it passes the if statement at all (because, for example, the temporary 'test' holder is used). I tried ... , but could not reproduce the problem. The following works WITHOUT storing the test in a temporary variable

, it seems that time is spent on using temporary files. You may want to try increasing the configuration of the temporary file threshold , to reduce the use temporary files (although it may require more RAM). support Support

you have two options for online backup: If your specify a File instance as the target parameter then a temporary ... when the client and the server are not on the same machine, and the temporary file is essential ... then it is interpreted as the path on the server machine to which to write the backup file and no temporary file

, and its toString() returns a temporary negative number, because a database object ID is not allocated ... ); String s1 = oid.toString(); // s1 contains a temporary negative number pm.currentTransaction ... . Using temporary IDs instead of allocating permanent object IDs immediately on makePersistent

to a temporary data structure for presentation and then on update retrieves the object again and fills its with the data from the temporary data structure - then updates of other users might be overridden. support Support

You may try decreasing the temporary file threshold . The Doctor will use less memory and more temporary

of memory. You should be able to reduce the memory that is used by setting the temporary memory ... that value then temporary files will be used and that may decrease the application performance

? Thank you,   Sandu sandu Alexandru Constantinescu You can set the temporary directory ... .tmpdir" system property, but that will change the temporary directory for the entire JVM, not just for ObjectDB.   support Support

around could you please try: Adding a new temporary persistent field to your  RequirementBasedTestCaseImpl class and then opening the database with the modified class available in the classpath. Removing that temporary

implementation generates some temporary objects even when no new connections are created. Were there any ... temporary objects even when no new connections are created. But the sockets are not created every second

to place this temporary file used during execution of DB Doctor on a different file ... , have you seen the database file becoming larger successfully? You can change the temporary path in

is to try different settings. If you have sufficient RAM but temporary files are used a higher general:temp:threshold value can reduce temporary files usage. The L2 cache does not always help

we see at the same customer where we have the huge database problems suddenly any temporary batchquery files appearing in a local folder. Beside the fact that the local folders are not excluded from ... Zwicker Local files are generated in the  temporary directory  when processing exceeds RAM

is, that we need the same logic for temporary users (without storing in DB) and permanent users (stored in

The database is NOT closed in the finally block - I still see the temporary database and if I attempt to store

install Java 7 is correctly installed with JAVA_HOME and JRE_HOME set.  The temporary workaround

could do for shortening the query string? I guess there's no such thing as a " temporary " variable

you will have to decrease the following default ObjectDB settings: Temporary data RAM threshold . Page

the temporary file threshold , but that may slow performance. To understand the problem better

I have a machine on which I dual-boot both Ubuntu and Windows 8.  I purchased an activation code which works fine on Ubuntu but is ignored on Windows 8.  I have checked that the application is reading the right objectdb.conf by putting a temporary error in the file.  I'm assuming

you would have to change the ObjectDB configuration. Relevant parameters include: Temporary file threshold

In my application I have an entity with few transient Collection fields, these are constantly updateing very fast and access to those fields is needs to be fast too, thus I dont persist them (also this information is temporary and doesent need to be kept). I suppose that entity modified

are temporary db files.   joesms Joerg Weishaupt Please try the following: Download the last

amount of data requires using temporary files and the exception indicates a problem in using these files. Please check this forum thread . Maybe disabling deletion of temporary files could help.   support Support

Added an option to write javaagent enhanced classes to file ( for diagnosis ). Extended temporary files support to update queries ( issue #1658 ). Improved performance of handling multi activations configuration. Fixed a synchronization bug in using temporary files in large transactions. Fixed

. Fixed a NullPointerExeption on flush ( issue #1840 ). Fixed a bug in using temporary files in large transactions. Reverts a change in 2.6.6_08 that may cause issue #1839 . Attempt to fix a bug in using temporary files in large transactions.

was fixed in version 2.7.2 ( temporary stack traces in the log will be removed in the next build ... Zwicker The log entries in #28 above are temporary logging of the nested section key workaround

, a temporary property on the client side disables the suspected optimization: System.setProperty("com

with the new temporary   "objectdb.page.circle" system property set to "true" - a page circle

on unexpected network failure. Improved temporary file management including avoiding permission

(removed temporary object clearing). Fixed the Explorer to show null values in primitive fields

to do an evaluation and want to store 200 million entities in the database.  I have a temporary key

. Added a new temporary system property ("objectdb.temp.quick-file") to accelerate db opening

if it fails. If necessary, add a delay between successive find attempts. This may serve as a temporary