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Monitoring and Performance counters

Monitoring and Performance counters

Eclipse Public License - v 1.0

of, publicly display, publicly perform, distribute and sublicense the Contribution of such Contributor ... . That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties

Database Management Settings

is needed. Small initial size and resize values save space. Larger values can improve performance by ... ) for the recovery file and the database file can improve performance. The max attribute is a hint ... , to avoid thread competition that leads to poor performance. The <index-update> element   <index

Retrieving JPA Entity Objects

affect performance. Eager retrieval might minimize the round trips to the database and improve performance, but unnecessary retrieval of entity objects that are not in use will decrease performance

What are the main benefits of using ObjectDB?

performance. Reducing Development Time and Costs ObjectDB makes database programming easier and faster ... to shorter time to market and saving in the total development time and costs. Improving Performance ... . Obviously, elimination of conversions, translations and other intermediate operations leads to better performance.

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 ... layer. The result is better performance and faster applications, especially when the object data model

SELECT clause (JPQL / Criteria API)

. Specifying the required query results more precisely can improve performance and in some cases ... is that the later filters duplicate results. Filtering duplicate results might have some effect on performance

Setting and Tuning of JPA Queries

); Flushing changes to the database before every query execution affects performance significantly. Therefore, when performance is important, this issue has to be considered. Lock Mode (setLockMode) ObjectDB

[ODB1] Chapter 5 - JDO Connections

, delete) must always be performed within an active transaction. On the other hand, reading from ... modifying persistent objects without an active transaction, but in this case changes are only performed in ... the two modes is in performance, where the default true value is expected to be slightly more efficient

[ODB1] Chapter 1 - About ObjectDB

. It has a small footprint, high performance, and a flexible architecture (1-Tier, 2-Tier or N-Tier). 1 ... database concepts and the tables and columns defined for an application in order to perform the necessary ... is Very Fast ObjectDB has very good performance. It can store and retrieve thousands of objects

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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