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Type:
Improvement
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Status: Closed
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Priority:
Major
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Resolution: Done
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Affects Version/s: Jena 3.14.0
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Fix Version/s: Jena 3.15.0
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Component/s: Fuseki
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Labels:None
The script default is -Xmx1200M which is quite small these days (we can ignore 32-bit setups in choosing defaults).
We could simply leave it to the JVM default (25% of RAM).
Considerations:
- we don't want to squeeze out memory mapped files.
- 25% is a lot on larger servers if shared.
For TDB1/TDB2, a key use of memory in heap is the node table cache.
Other than that, it is intermediate query processing space.
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