starting vacuum...end.
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progress: 120.0 s, 332798.5 tps, lat 0.758 ms stddev 0.707
transaction type: <builtin: select only>
scaling factor: 1000
query mode: prepared
number of clients: 256
number of threads: 256
duration: 120 s
number of transactions actually processed: 40632365
latency average = 0.753 ms
latency stddev = 0.923 ms
tps = 338516.245055 (including connections establishing)
tps = 339640.809081 (excluding connections establishing)
