About tuning

11-20 of 31Refresh
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significant performance decrease

settings, as normal, the bigger, the better (or are there additional parameters to tune ... always. Unfortunately getting optimal performance requires tuning the configuration to the specific application (e.g
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Soft Reference Object Cache Recommendation

references for L1 cache (the PersistenceManager) it indeed looks as a JVM tuning issue, because ObjectDB ... .  With those, and the additional testing I have been doing, I think the best approach is to use soft references and tune the JVM
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Crash due to memory problems

size (if possible) or tune the ObjectDB configuration. If ObjectDB recovery is enabled then ObjectDB
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Explorer in 2.3

, threads, query-cache, memory usage, etc...) to use for tuning b. Show all database connections
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How Should I Configure objectdb.conf to Obtain 256KB Disk IO Requests and Maximize Shared PersistenceManager Entity Cache?

.g. searching for an object in a larger page could take longer). So, as with most tuning questions
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how to query by properties of onetomany relations? (Error 990)

is provided on the Query Setting and Tuning page. great, thanks I'd like to know more about this. It looks
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Index causes increased memory usage

).  Is there some sort of tuning we can do to have both fast queries and not soak up all the memory
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Lazy Init / Eager / Join Fetch collection strategy ? What to choose ?

, so you will have to test these options in your specific scenario to tune your application for maximum
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Monitoring and Performance counters

last start - caches hit rate - total sessions from clients - memory usage (for heap space tuning
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Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

problem that one would need to tune queries for every preempted relationship, which for my application