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Soft Reference Object Cache Recommendation

" /> <dirty-tracking arrays="false" /> My persisted class, "JdoBlob2", only contains a byte ... (){ // A dirty object, via setData(), strongly references byte[] via "data" field, so ignore ... necessary (e.g. for dirty objects until commit). On the other hand the data store page cache is fixed

Embedded in JDO metadata not working in objectDB 2.x ?

all the relevant containing entity objects, makes them dirty and persists them. Check that new embedded objects ... which retrieves the containing entities, made them dirty and persisted them. So far everything went

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue

PostUpdate on array changes

"/> <cascade-persist always = "true" on-persist = "true" on-commit = "true"/> <dirty-tracking arrays ... objectdb.conf file I will revisit the issue of dirty tracking of arrays. However, I have these new concerns

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

="true" />                 <dirty-tracking arrays="false" />         </entities>         <schema ... " />                 <cascade-persist always="auto" on-persist="false" on-commit="true" />                 <dirty

Use temporary files to enable very large transactions

" />                 <cascade-persist always="auto" on-persist="false" on-commit="true" />                 <dirty ... limit is reached and an OutOfMemoryException occurs. I thought that not dirty entities after flush

Negative snapshot user count exception

:05:23 #188 *] transaction Id = 506009, new file size = 297009152, dirty pages = 1, update list s = 2, dirty page map = 1, FastModel Ben Schreiber Thank you for this report. It indicates


are unchanged and the instances revert to transient. Additionally, dirty instances transition to hollow


Method javax.jdo.Query long deletePersistentAll() Deletes all the instances of the candidate class that pass the filter. Returns the number of instances of the candidate class that were deleted, specifically not including the number of dependent and embedded instances. Dirty instances of affected


and the instances revert to transient. Additionally, dirty instances transition to hollow

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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