Due to lack of checks present in process_execute_internal from
transport/server.cc needs_authorization bool was always set to true
doing some extra work (check_access()) for each request.
We mirror the logic in this patch in test env which perf-simple-query
uses. This can also potentially improve runtime of unittests (marginally).
Note that bug is only in perf tool not scylla itself, the fix
decreases insns/op by around 10%:
Before: 41065 insns/op
After: 37452 insns/op
Command: ./build/release/scylla perf-simple-query --duration 5 --smp 1
Fixes https://github.com/scylladb/scylladb/issues/27941Closesscylladb/scylladb#28704
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