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chrislu
885354bb19
Previous run showed Parquet writes byte-by-byte (hundreds of 1-byte writes), flooding logs and getting truncated. This prevented seeing the full picture. Changes: 1. Only log writes >= 20 bytes (skip byte-by-byte metadata writes) 2. Track writeCallCount to see total number of write() invocations 3. Show writeCallCount in close() summary logs This will show: - Large data writes clearly (26, 34, 41, 67 bytes, etc.) - Total bytes written vs total calls (e.g., 684 bytes in 200+ calls) - Whether ALL bytes Parquet wrote actually reached close() If totalBytesWritten=684 at close, Parquet only sent 684 bytes. If totalBytesWritten=762 at close, Parquet sent all 762 bytes but we lost 78. Next run will definitively answer: Does Parquet write 684 or 762 bytes total?