==============================================================================
ZGC / G1 open-loop latency harness
==============================================================================
collector : ZGC Minor Cycles + ZGC Minor Pauses + ZGC Major Cycles + ZGC Major Pauses
java      : 25.0.3+9-LTS-195
threads=4 rate=20,000/s warmup=20s measure=60s
liveSet=150,000 entries x 4,096 B (~585 MB live)
garbage=16,384 B/request  reads=64/request  mutationProbability=0.20
nominal allocation rate ~328 MB/s   seed=20260730
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building live set ... 150,000 entries, ~589 MB live, took 310 ms
warming up for 20 s at 20,000 req/s ...
measuring for 60 s at 20,000 req/s ...

------------------------------------------------------------------------------
achieved throughput : 19,973 req/s over 60.1 s

RESPONSE TIME  (from intended arrival -- the honest number)  (n=1,200,000)
  mean       0.016 ms
  p50        0.006 ms
  p90        0.009 ms
  p99        0.029 ms
  p99.9      1.437 ms
  p99.99    23.675 ms
  max       32.178 ms

SERVICE TIME   (from actual start -- hides queueing)  (n=1,200,000)
  mean       0.007 ms
  p50        0.006 ms
  p90        0.009 ms
  p99        0.025 ms
  p99.9      0.143 ms
  p99.99     0.269 ms
  max        8.353 ms

coordinated-omission gap at p99.9 : 1.437 ms response vs 0.143 ms service (10.0x)

GC activity during the measured window
  ZGC Minor Cycles       collections=18     time=    919 ms   [cycle (mostly concurrent)]
  ZGC Minor Pauses       collections=54     time=      0 ms   [stop-the-world]
  ZGC Major Cycles       collections=3      time=    667 ms   [cycle (mostly concurrent)]
  ZGC Major Pauses       collections=15     time=      0 ms   [stop-the-world]

CSV (response time)
collector,n,mean_ms,p50_ms,p90_ms,p99_ms,p999_ms,p9999_ms,max_ms
ZGC Minor Cycles + ZGC Minor Pauses + ZGC Major Cycles + ZGC Major Pauses,1200000,0.016,0.006,0.009,0.029,1.437,23.675,32.178

liveSet checksum: 1