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167

Insertion Speed Rate and Batch Load

=             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
161

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
161

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
157

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
147

objectdb speed

objectdb speed
20

Database Management Settings

attribute specifies the speed of the index building background process as a number between 10 and 70
20

Obtaining a JPA Database Connection

or a socket to a remote server) in a connection pool and use them to speed up future EntityManager
20

ObjectDB Object Database Features

tracking (requires login). Performance and Speed ObjectDB is extremely fast - much faster than any
20

virtual servers and one file

, although the database is only 3GB in size. The speed problems also occur only from 3 simultaneous users ... with activated cache. I have attached a screenshot of the measured speed. Priiiiil Mathias Kocks ... -Xmx8192m to 16384m. But unfortunately no change in speed. How can I create the dump that you can also open
3

cannot delete objects after crash (see issue 2283)

after the configuration change and report as it may have significant effect on speed in applications ... sync is a slow operation so this is expected. Although we cannot improve the speed of the sync ... the speed of the sync mode by delaying returning from commit, gathering several concurrent committing

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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