slogSender using positions in file instead of mmap #29335

Job	Run time
pre_check / Check preconditions and cancel previous jobs	7s
pre_check / Check preconditions and cancel previous jobs	7s
getting-started (link-cli/yarn)	11m 5s
getting-started (link-cli/yarn)	11m 5s
getting-started (registry/yarn)	15m 9s
getting-started (registry/yarn)	15m 9s
deployment-test	11m 43s
deployment-test	29m 59s
getting-started (registry/npm)	16m 12s
getting-started (registry/npm)	16m 12s
getting-started (registry/npx)	15m 59s
getting-started (registry/npx)	15m 59s
test-docker-build	11m 27s
test-docker-build	11m 27s
finalize-integration-result	5s
finalize-integration-result	7s
	3h 1m 52s

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