=== Scale 5000 (chunk=500, --no-pbp) ===
Backend: clickhouse, Scale: 5000 worlds, Environment: local-docker
Streaming mode: totalWorlds=5000, chunkSize=500 [PBP DISABLED]
PBP sink: local at ./pbp-parquet-ignored

Streaming Run Report
--------------------
Total wall time:          771.80 s
Simulation time:          413.56 s
OC write time:            237.07 s
PBP write time:             0.00 s
Merge time:                51.56 s
Peak working set:         1740.2 MB
Chunks completed:             10
OC rows (merged):        244,800
PBP rows (written):            0