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Optimization Question

of a large number of data objects called tracks. These tracks change very frequently over time (every 10-15 ... >Currently the following sequence executes when a track update comes in: - If it’s a new track simply add it to the database. - If it's an update to an existing track, delete the entire

Dirty checking

and b) some config settings to track changes to collections, e.g: 1) set the config file to track array changes. 2 ... testing. What I'm looking to do is to be able to use dirty tracking to a single 'view

PostUpdate on array changes

" on-commit = "true"/> <dirty-tracking arrays = "true"/> </entities> So, the question is whether it is possible to track changes to lists of primitives ... file I will revisit the issue of dirty tracking of arrays. However, I have these new concerns:

PersistenceManager.getObjectsById(Collection,boolean) throwing JDOException

with the way I'm keeping track of my oids. If I call getObjectById() with an oid that is not known it'll ... (AbstractObjectDBDatabase.java:259) at peoiws5.track.server.DefaultTrackServer.processCommands(DefaultTrackServer.java:347) at peoiws5.track.server.DefaultTrackServer.handleNextCommands

Apache License, Version 2.0, January 2004

code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor

ObjectDB License

through the Forum and via Issue Tracking.

Posting Sample Code

trace with no sample program (using the Issue Tracking

Soft Reference Object Cache Recommendation

ref="soft" level2="0" /> <dirty-tracking arrays="false" /> My persisted class ... the desired JdoBlob2 caching, then I think I must need to track all JdoBlob2s myself and, upon detecting ... ; Perhaps setting ObjectDB to use weak references but then using persistent object callback/listeners to track

[ODB1] Chapter 3 - Persistent Classes

). Persistence aware classes must be enhanced in order to track persistent fields ... with equivalent methods that perform the same accesses but also report to ObjectDB. Tracking

[ODB1] Chapter 6 - Persistent Objects

persistence capable or as persistence aware. Otherwise, modifications cannot be tracked by ObjectDB