starting vacuum...end.
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progress: 120.0 s, 337491.1 tps, lat 0.753 ms stddev 0.624
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: 40948480
latency average = 0.748 ms
latency stddev = 0.968 ms
tps = 341141.899956 (including connections establishing)
tps = 342185.676037 (excluding connections establishing)
