Stardog 7 and memory

Are there any changes in the way memory is handled with the new Mastiff backend? Do you still need as much offheap memory and should you leave additional memory to be used for rocks? Etc.

Yes, there're tons and tons of changes of how memory is managed in Stardog 7 and RocksDB is pretty hungry for it. However, we tried to shield the users from these aspects as much as possible. So you still choose a memory configuration as before but internally Stardog will decide how much of that to pre-allocate within the JVM (e.g. for query evaluation) and how much to leave for the native backend.

If you see workloads where Stardog goes substantially beyond the specified limits, let us know.


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