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IN expression in a Criteria Query

Hello, I am trying to migrate my Spring project from Hibernate to ObjectDB. On ObjectDB page ... how to solve these problems? Milan mimac Milan Fabian > On ObjectDB page, it is written that ObjectDB is 100 ... page, sorry about that. I was generating metamodel by myself. I replaced it with "employeeEntity

Homepage and forum nearly inaccessible

-Georg Zwicker I'm guessing that the cause of the page delays is already known, but as an additional ... to index search result pages from ObjectDB. The search itself is a heavy operation, and thousands ... . support Support Update! Yesterday and today, the average page load is 15 seconds from Denmark

Ram allocation

Theoretically, the main ObjectDB page cache can use 4TB with the default page size of 2KB (and up to 128TB using an increased 64KB page size). However, as mentioned above, cache is also managed by

Query performance in general

- maybe you can clarify some of them: Database file page size: the default is 2kb ... better with bigger page sizes (e.g. if an Entity has 'a lot' of member fields)? Order in WHERE clause ... your questions: The page size may have some effect, but probably minor, so this is probably not the cause

locks on pure query activities

to a fast SSD could help. Increasing the page cache may help. By running replications ... Support we already have a 2GByte page cache for a 30 GByte database file. Should we increase ? Database ... name="*" level="info" /> </general> <database> <size initial="256kb" resize="256kb" page="2kb

Not Enhanced: ...: com.objectdb.o.TEX: Type ..._$$_javassist_1 is not found

Hello! ObjectDB logs these errors when I start the app and open the log in page. (see attachment ... through @Inject. Both are not entities or anything related to ObjectDB. AuthB is used in a JSF page for login ... (an ObjectDB Entity). These errors appear when I just navigate to the page, so when AuthB is loaded


.athene.pages.base.BasePage.<init>(BasePage.java:71) at net.pocketservices.athene.pages.base.UserPage.<init>(UserPage.java:22) at net.pocketservices.athene.pages.user.LoginPage.<init

EM close causes an exception

the "objectdb.temp.page-file" system property, which is probably used only by your company ... System.setProperty("objectdb.temp.page-file", "true"); then the execution of parallel threads works without errors ... System.setProperty("objectdb.temp.page-file", "true"); System.setProperty("objectdb.temp.no-temp

again merger missing logs + objectdb exception

one database page are split by ObjectDB into multiple sections and each section is stored in a separate page ... ] RetrievalTask.reportSecondaryResult: page#21867681, reader.getPos() = 497 [2017-10-17 21:57:29 #97

DBDoctor BTree Errors

.pool.PoolImpl - Unexpected page count: 958 (actual 1) - Unexpected object count: 9043 (actual 1) [2] com.btc.ep.architecture.bl.internal.dmos.pool.PoolScopeImpl - Unexpected page count: 8 (actual 1 ... .ProfileImpl - Unexpected object count: 5 (actual 1) btc_es BTC EmbeddedSystems It indicates mismatch in page

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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