2026-08-07 10:41:14,201 | INFO | Opened Arrow file: train-000000.arrow
2026-08-07 10:41:14,204 | INFO | Source: CyanMonkey/Dataset-2-L dedup=none
2026-08-07 10:56:28,561 | INFO | Opened Arrow file: train-000001.arrow
2026-08-07 11:11:41,274 | INFO | Opened Arrow file: train-000002.arrow
2026-08-07 11:26:53,069 | INFO | Opened Arrow file: train-000003.arrow
2026-08-07 11:42:02,306 | INFO | Opened Arrow file: train-000004.arrow
2026-08-07 11:57:16,113 | INFO | Opened Arrow file: train-000005.arrow
2026-08-07 12:12:33,049 | INFO | Opened Arrow file: train-000006.arrow
2026-08-07 12:27:44,028 | INFO | Opened Arrow file: train-000007.arrow
2026-08-07 12:42:54,999 | INFO | Opened Arrow file: train-000008.arrow
2026-08-07 12:58:05,559 | INFO | Opened Arrow file: train-000009.arrow
2026-08-07 13:14:38,409 | INFO | Opened Arrow file: train-000010.arrow
2026-08-07 13:29:51,804 | INFO | Opened Arrow file: train-000011.arrow
2026-08-07 13:45:00,552 | INFO | Opened Arrow file: train-000012.arrow
2026-08-07 14:00:12,329 | INFO | Opened Arrow file: train-000013.arrow
2026-08-07 14:17:33,163 | INFO | Opened Arrow file: train-000014.arrow
2026-08-07 14:32:46,984 | INFO | Opened Arrow file: train-000015.arrow
2026-08-07 14:47:57,399 | INFO | Opened Arrow file: train-000016.arrow
2026-08-07 15:03:05,698 | INFO | Opened Arrow file: train-000017.arrow
2026-08-07 15:20:14,953 | INFO | Opened Arrow file: train-000018.arrow
2026-08-07 15:35:27,769 | INFO | Opened Arrow file: train-000019.arrow
2026-08-07 15:50:40,986 | INFO | Opened Arrow file: train-000020.arrow
2026-08-07 16:05:51,258 | INFO | Opened Arrow file: train-000021.arrow
2026-08-07 16:21:00,313 | INFO | Opened Arrow file: train-000022.arrow
2026-08-07 16:36:13,603 | INFO | Opened Arrow file: train-000023.arrow
2026-08-07 16:51:24,624 | INFO | Opened Arrow file: train-000024.arrow
2026-08-07 17:06:36,364 | INFO | Opened Arrow file: train-000025.arrow
2026-08-07 17:22:07,154 | INFO | Opened Arrow file: train-000026.arrow
2026-08-07 17:37:17,741 | INFO | Opened Arrow file: train-000027.arrow
2026-08-07 17:52:29,962 | INFO | Opened Arrow file: train-000028.arrow
2026-08-07 18:07:39,827 | INFO | Opened Arrow file: train-000029.arrow
2026-08-07 18:22:52,451 | INFO | Opened Arrow file: train-000030.arrow
2026-08-07 18:38:07,285 | INFO | Opened Arrow file: train-000031.arrow
2026-08-07 18:53:19,877 | INFO | Opened Arrow file: train-000032.arrow
2026-08-07 19:08:30,431 | INFO | Opened Arrow file: train-000033.arrow
2026-08-07 19:23:41,617 | INFO | Opened Arrow file: train-000034.arrow
2026-08-07 19:38:52,946 | INFO | Opened Arrow file: train-000035.arrow
2026-08-07 19:40:37,277 | INFO | Source Dataset-2-L: dropped 1766 residual tokens (<1 chunk)
2026-08-07 19:40:40,198 | INFO | Opened Arrow file: train-000036.arrow
2026-08-07 19:40:40,834 | INFO | Source done: kept=54,239,446 dedup_skipped=0
2026-08-07 19:40:40,834 | INFO | Removed empty Arrow file train-000036.arrow
2026-08-07 19:41:52,512 | INFO | Validation passed