disk-poc add multi-threaded #2091

Job	Run time
spellcheck	15s
coverage / Start self-hosted EC2 runner	1m 25s
codeql-analysis / Analyze (python)	1m 5s
codeql-analysis / Analyze (cpp)	17m 42s
basic tests	55s
coverage / codecov job	51s
coverage / Stop self-hosted EC2 runner	6s
pr-validation	4s
	22m 23s

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