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# System prepended metadata

title: Performance profiling

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# Performance profiling

## Findings thus far

1. Disabling garbage collection reduces CPU usage significantly. Obviously wrong to do but it hints at some task being done that puts a heavy burden on the GC.
2. The resource manager is heavy on resources (the irony!). Disabling it seems to reduce CPU cycles too.
3. LevelDB is used internally and - i think - with disabled table compression. Yet profiling shows table compression which is heavy on the CPU.