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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= Persistence.createEntityManagerFactory("$objectdb/db/speed.odb"); EntityManager ... , here is the batch insert speed comparison in the JPA benchmark: https://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
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
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
. My question is - how to speed this type of queries, where you have to count objects on some lists
attribute specifies the speed of the index building background process as a number between 10 and 70
Explains settings and performance tuning of JPA entities in ObjectDB, the fast Java object database for JPA/JDO.
Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section.
Explains how to configure and tune ObjectDB, the fast Java object database for JPA/JDO.
tracking (requires login). Performance and Speed ObjectDB is extremely fast - much faster than any