Fast Object Database for Java - with JPA/JDO support

About speed

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42

Database Management Settings

attribute specifies the speed of the index building background process as a number between 10 and 70
33

Insertion Speed Rate and Batch Load

=             Persistence.createEntityManagerFactory("$objectdb/db/speed.odb");         EntityManager ... , here is the batch insert speed comparison in the JPA benchmark: http://jpab.org/Basic/Persist/Many.html support ... . However, with -javaagent set to objectdb.jar, I see no problem at all, the speed is about 150K/second. Seems like
32

Speed of queries that return many objects

Hi, I have a DB of 146MB - with 1_000_000 elements. Loading the contents (objectDB query in java) takes about 10sec. I am using a recent MacBook (SSD blabla - disk I/O speed is about 400MB/sec ... /400 = 0.35sec.. + some overhead). I was wondering if this kind of speed is "normal", or
32

Several parallel threads to speed up query on one DB

Hi, I have an application: producer (from a DB) to a consumer. The current bottleneck is the producer from DB (based on a query) and I would like to speed it up. I have tried using several entity ... it is coming from some ObjectDB low level I/O settings? Any help on how to speed up query by doing
31

Speeding up reporting queries with size() on list

. My question is - how to speed this type of queries, where you have to count objects on some lists
29

objectdb speed

objectdb speed
25

Entity Management Settings

Explains settings and performance tuning of JPA entities in ObjectDB, the fast Java object database for JPA/JDO.
25

General Settings and Logging

Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section.
25

Chapter 6 - Configuration

Explains how to configure and tune ObjectDB, the fast Java object database for JPA/JDO.
17

ObjectDB Object Database Features

). Performance and Speed ObjectDB is extremely fast - much faster than any other JPA solution. General Highly

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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