test(perf): add pinned paired abba bench
Add a backlog#1432 paired benchmark orchestrator that runs MinIO/RustFS in an A1/B1/B2/A2 schedule while requiring immutable server identity, source revision or release, and ACK contract labels. The runner delegates actual workload execution to run_object_batch_bench_enhanced.sh so node metrics, resource captures, and provenance stay in the shared artifact format.
Verification:
- scripts/test_pinned_paired_abba_bench.sh
- bash -n scripts/run_pinned_paired_abba_bench.sh scripts/test_pinned_paired_abba_bench.sh
- git diff --check
Co-authored-by: heihutu <heihutu@gmail.com>
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