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fix(scanner): respect lazy hash for checkpoints, add posix_fadvise, cancel on shutdown (#985)

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Will Miao
2026-06-16 23:00:23 +08:00
parent 2939813e1a
commit 58c266ad07
3 changed files with 22 additions and 3 deletions
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7
py/services/model_scanner.py
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@@ -1067,8 +1067,11 @@ class ModelScanner:
model_data = self._build_cache_entry(metadata, folder=normalized_folder)
# Compute SHA256 hash when metadata provided none (e.g., CivitAI API response has empty hashes)
if not model_data.get('sha256') and file_path:
# Compute SHA256 hash when metadata provided none (e.g., CivitAI API response has empty hashes).
# Respect hash_status='pending' (set by CheckpointScanner for large models) to defer
# hash calculation until on-demand — avoids reading entire checkpoint files at startup.
hash_status = model_data.get('hash_status', '')
if not model_data.get('sha256') and hash_status != 'pending' and file_path:
try:
logger.info(f"Computing SHA256 hash for {file_path} (was empty from metadata)")
sha256 = await calculate_sha256(file_path)