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MyFSIO v0.2.6 Release #18

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kqjy merged 14 commits from next into main 2026-02-05 16:18:04 +00:00
Conversation 0 Commits 14 Files Changed 17 +14 -7
1 changed files with 14 additions and 7 deletions
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21
app/storage.py
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@@ -285,6 +285,10 @@ class ObjectStorage:
return cached_stats
raise
existing_serial = 0
if cached_stats is not None:
existing_serial = cached_stats.get("_cache_serial", 0)
stats = {
"objects": object_count,
"bytes": total_bytes,
@@ -292,6 +296,7 @@ class ObjectStorage:
"version_bytes": version_bytes,
"total_objects": object_count + version_count,
"total_bytes": total_bytes + version_bytes,
"_cache_serial": existing_serial,
}
try:
@@ -323,7 +328,7 @@ class ObjectStorage:
This avoids expensive full directory scans on every PUT/DELETE by
adjusting the cached values directly. Also signals cross-process cache
invalidation by updating the file mtime.
invalidation by incrementing _cache_serial.
"""
cache_path = self._system_bucket_root(bucket_id) / "stats.json"
try:
@@ -331,13 +336,14 @@ class ObjectStorage:
if cache_path.exists():
data = json.loads(cache_path.read_text(encoding="utf-8"))
else:
data = {"objects": 0, "bytes": 0, "version_count": 0, "version_bytes": 0, "total_objects": 0, "total_bytes": 0}
data = {"objects": 0, "bytes": 0, "version_count": 0, "version_bytes": 0, "total_objects": 0, "total_bytes": 0, "_cache_serial": 0}
data["objects"] = max(0, data.get("objects", 0) + objects_delta)
data["bytes"] = max(0, data.get("bytes", 0) + bytes_delta)
data["version_count"] = max(0, data.get("version_count", 0) + version_count_delta)
data["version_bytes"] = max(0, data.get("version_bytes", 0) + version_bytes_delta)
data["total_objects"] = max(0, data.get("total_objects", 0) + objects_delta + version_count_delta)
data["total_bytes"] = max(0, data.get("total_bytes", 0) + bytes_delta + version_bytes_delta)
data["_cache_serial"] = data.get("_cache_serial", 0) + 1
cache_path.write_text(json.dumps(data), encoding="utf-8")
except (OSError, json.JSONDecodeError):
pass
@@ -1679,15 +1685,16 @@ class ObjectStorage:
pass
def _get_cache_marker_mtime(self, bucket_id: str) -> float:
"""Get the mtime of stats.json for cross-process cache invalidation.
"""Get the cache serial from stats.json for cross-process cache invalidation.
Uses stats.json because it's already updated on every object change
via _update_bucket_stats_cache.
Uses _cache_serial field instead of file mtime because Windows filesystem
caching can delay mtime visibility across processes.
"""
stats_path = self._system_bucket_root(bucket_id) / "stats.json"
try:
return stats_path.stat().st_mtime
except OSError:
data = json.loads(stats_path.read_text(encoding="utf-8"))
return float(data.get("_cache_serial", 0))
except (OSError, json.JSONDecodeError):
return 0
def _update_object_cache_entry(self, bucket_id: str, key: str, meta: Optional[ObjectMeta]) -> None: