ObjectDB ObjectDB

Internal Website Search

11-20 of 101 resultsRefresh

slow performance for a complex query

slow performance for a complex query

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds ... :\odb\files\anritsu\T1792 Slow Open.odb.pa3 1/23/2016 15:40:24.4024: INFO : (AppDataStoreManager ... thread:Thread-6): doOpenDataStore(): openDataStore: D:\odb\files\anritsu\T1792 Slow Open.odb.pa3 1/23/2016 15

Out of Memory - Slow leak?

Out of Memory - Slow leak?

Speed of queries that return many objects

... still seems slow. Thanks EKK import java.io.Serializable; import javax.persistence.Entity; @Entity public ... during one of the calls to that method). support Support I have the same issue - slow performance on the Mac ... /age => If you try this on Windows, last call is working blazing fast (100ms). On Mac is very very slow

Query execution time issue

execution time drops to about 50 milliseconds. Adding a new left join on remaining 8 slows down query ... with excessive JOINs are expected to be slow, but if you can post a simple minimal runnable test case (see posting instructions) that demonstrates the slow query, then we can check it. support Support Hi

ObjectDB - Object Database for Java (JPA/JDO)

Boost your application database performance. Database performance is critical as it is the bottleneck in most applications. ObjectDB is extremely fast and much faster than any other JPA solution. Using a relational database management system (RDBMS) to store and retrieve Java objects requires slow

Database Transaction Replayer

might be slow if the database is large. Running the ObjectDB Replayer The ObjectDB Replayer tool is bundled in

JPA Entity Fields

for loading a field is relatively slow. Therefore, if the employees field is used often, a persistent

combined index not used

that you sent in the Explorer shows that it is indeed very slow. Could you please provide a typical value ... ). However, this query is still extremely slow as using this composite index doesn't solve the problem, so further work ... is very slow is not because of not using the composite index (although using the composite index

[ODB1] Chapter 7 - JDOQL Queries

like JOIN queries in SQL, queries with unbound variables may become very slow, so caution is needed

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support