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Reduce per-request overhead: pre-compile SigV4 regex, in-memory etag index cache, 1MB GET chunks, configurable meta cache, skip fsync for rebuildable caches

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kqjy
2026-03-25 13:44:34 +08:00
parent f7c1c1f809
commit f05b2668c0
4 changed files with 45 additions and 25 deletions
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4
app/config.py
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@@ -136,6 +136,7 @@ class AppConfig:
site_sync_clock_skew_tolerance_seconds: float
object_key_max_length_bytes: int
object_cache_max_size: int
meta_read_cache_max: int
bucket_config_cache_ttl_seconds: float
object_tag_limit: int
encryption_chunk_size_bytes: int
@@ -315,6 +316,7 @@ class AppConfig:
site_sync_clock_skew_tolerance_seconds = float(_get("SITE_SYNC_CLOCK_SKEW_TOLERANCE_SECONDS", 1.0))
object_key_max_length_bytes = int(_get("OBJECT_KEY_MAX_LENGTH_BYTES", 1024))
object_cache_max_size = int(_get("OBJECT_CACHE_MAX_SIZE", 100))
meta_read_cache_max = int(_get("META_READ_CACHE_MAX", 2048))
bucket_config_cache_ttl_seconds = float(_get("BUCKET_CONFIG_CACHE_TTL_SECONDS", 30.0))
object_tag_limit = int(_get("OBJECT_TAG_LIMIT", 50))
encryption_chunk_size_bytes = int(_get("ENCRYPTION_CHUNK_SIZE_BYTES", 64 * 1024))
@@ -421,6 +423,7 @@ class AppConfig:
site_sync_clock_skew_tolerance_seconds=site_sync_clock_skew_tolerance_seconds,
object_key_max_length_bytes=object_key_max_length_bytes,
object_cache_max_size=object_cache_max_size,
meta_read_cache_max=meta_read_cache_max,
bucket_config_cache_ttl_seconds=bucket_config_cache_ttl_seconds,
object_tag_limit=object_tag_limit,
encryption_chunk_size_bytes=encryption_chunk_size_bytes,
@@ -648,6 +651,7 @@ class AppConfig:
"SITE_SYNC_CLOCK_SKEW_TOLERANCE_SECONDS": self.site_sync_clock_skew_tolerance_seconds,
"OBJECT_KEY_MAX_LENGTH_BYTES": self.object_key_max_length_bytes,
"OBJECT_CACHE_MAX_SIZE": self.object_cache_max_size,
"META_READ_CACHE_MAX": self.meta_read_cache_max,
"BUCKET_CONFIG_CACHE_TTL_SECONDS": self.bucket_config_cache_ttl_seconds,
"OBJECT_TAG_LIMIT": self.object_tag_limit,
"ENCRYPTION_CHUNK_SIZE_BYTES": self.encryption_chunk_size_bytes,