=== Scale 1000 OC-only, post-optimisation ===
Backend: clickhouse, Scale: 1000 worlds, Environment: local-docker
Streaming mode: totalWorlds=1000, chunkSize=500 [PBP DISABLED]
PBP sink: local at ./pbp-parquet-validation

Streaming Run Report
--------------------
Total wall time:          157.43 s
Simulation time:           93.07 s
OC write time:             47.68 s
PBP write time:             0.00 s
Merge time:                16.40 s
Peak working set:         1704.7 MB
Chunks completed:              2
OC rows (merged):        244,800
PBP rows (written):            0