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src/postgresql.git.ref/vacuum_bench_s400.4.log-CPU: user: 15.28 s, system: 7.24 s, elapsed: 118.27 s.
src/postgresql.git.ref/vacuum_bench_s400.5.log-CPU: user: 15.43 s, system: 7.07 s, elapsed: 115.01 s.
