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114

Cache configuration of database file pages, query programs, query results

Are there some possibilities to configure following caches in order to keep cache data for only some important entity types and for the entire life cycle of the EntityManagerFactory. Cache of database file pages. Cache of query programs. Cache of query execution results. btc_es BTC EmbeddedSystems
114

Caching/Paging Questions...

size of ObjectDB L2 cache or EntityManager context ? Q4: Would paging result sets
109

Suggest link to Maven example from Enhancer tool page

Suggest link to Maven example from Enhancer tool page
109

Page dividing support in Objectdb

Page dividing support in Objectdb
22

Minor typo on web page...

On Page: http://www.objectdb.com/java/jpa/entity/types Under: Serializable Types "The internal Java serialization format will be inaccessible to future versions of ObjectDB on other platform." ...should be platforms (plural). rwehrli Rob Wehrli Thanks. Following your report the text was fixed. support Support
21

Page cache File handling produced an java.io.IOException: Negative seek offset

Page cache File handling produced an java.io.IOException: Negative seek offset
21

Setting and Tuning of JPA Queries

. These methods support the implementation of efficient result paging. For example, if each result page should show exactly pageSize results, and pageId represents the result page number (0 for the first page), the following expression retrieves the results for a specified page: List<Country
3

Step 4: Add a Servlet Class

"guest" attribute. Then the processing is forwarded to the JSP page (which is presented in the next tutorial step). The JSP uses the "guest" attribute to generate the page output. Finally, the database connection (including the transaction if still active) is closed. The next step is adding a JSP page that will produce the guestbook page output.
3

Step 4: Add a Servlet Class

is forwarded to the JSP page (which is presented in the next tutorial step). The JSP uses the "guest" attribute to generate the page output. Finally, the database connection (including the transaction if still active) is closed. The next step is adding a JSP page that will produce the guestbook page output.
1

[ODB1] Chapter 6 - Persistent Objects

that is required by JDO, ObjectDB manages another cache containing database pages, in order to improve efficiency. Unlike the object cache, which is always on the client side, the page cache is located ... applications, in which passing string values between web pages is easier than passing real object ID

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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