starting vacuum...end.
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transaction type: <builtin: select only>
scaling factor: 1000
query mode: prepared
number of clients: 16
number of threads: 16
duration: 120 s
number of transactions actually processed: 60575078
latency average = 0.032 ms
latency stddev = 0.001 ms
tps = 504791.436071 (including connections establishing)
tps = 504803.794556 (excluding connections establishing)
