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Obtaining a JPA Database Connection

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

500Mb ObjectDb database opening issue

any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database ... . by opening a temporary database file as in the test above) and see if later it helps in speeding

Listing large number of complicated objects with paging.

'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging ... . So, how else can I speed up this type of query? Or maybe I just need to add some more heap space

Which storage fits best to ObjectDB?

(but still lower) speeds of data transfer to a single SSD, however only when tested on large media files, so in fact it means sequential reads/writes. If it is tested on small files the speed is getting

ObjectDB Explorer very slow with remote con

, but it's still very very slow. That's the only thing that is slow on my server... How can I speed it up? zmirc Mircea ... . By having just 1 SSH connection to the VPS, it works at an acceptable speed. Sorry and thanks for your reply. zmirc Mircea Chirac

Best File system for objectdb

Hello , whats the best Filesystem do you recommend for speed for objectdb? As far i know these ; btrfs , extfs4 , extfs3 , zfs , ntfs , fat32 , EXOFS , Lustre Which one do you recommend ? kadirbasol ... system over the other, but apparently the effect of the file system is expected to be small compared to other factors (disk speed, cache size, etc.) support Support

Open several objectdb databases the same time

(read/write speed) after re-configuring open a database with socket model? Do you have any metrics ... speed differences between EMBEDDED & SERVER modes, but both methods should be profiled for details

Caching/Paging Questions...

the results in memory somehow, would that speed up the execution of the second query since many ... via setFirstResult and setMaxResult speed up the query execution since there are fewer result objects to bring into

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

Best practise loading big data

enhancement speeds up the application. At start of reading, the DB can deliver about 1000 values ... enhancement speeds up the application. As you wrote, using enhanced classes usually improves performance

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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