Cache tuning with embedded neo4j?

[Josef Karthauser]

Sorry if this has been asked before; but what's the best way of cache tuning Neo4J with an embedded database?

I'm not sure what the default settings would be in embedded, as there isn't a configuration file to tweak.

Is there a way of getting profile output from Neo4j so that I can see how what the high tide marks are for my application?

Thanks,

Joe

[Michael Hunger]

What do you want to achieve?

You can tune the JVM heap and in Neo4j 2.2 the page-cache size in the config that you pass to the database.

You can also enable different types of LRU caches with cache_type=none|soft|weak|hpc(enterprise)

Usually what you can look at from the outside is either profiling with tools like jvsiualvm or yourkit (which also inform you about peak memory usage).

And the gc-logs (jvm commandline arguments) but also CPU and disk (I/O) usage.

MIchael

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