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115 lines
4.0 KiB
Plaintext
115 lines
4.0 KiB
Plaintext
; config-include/ConcurrentFlotsamAssetCache.ini
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[AssetCache]
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; Enable or disable the on-disk cache. If false, nothing is written to disk.
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; Default: true
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FileCacheEnabled = true
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; Root directory for cached asset files (absolute or relative to OpenSim.exe).
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; Default: c_assetcache
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CacheDirectory = c_assetcache
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; Enable or disable the in-memory cache (fastest tier).
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; Default: false
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MemoryCacheEnabled = false
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; Memory cache timeout in hours (float). Internally converted to seconds.
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; Small values reduce RAM; larger values may improve hit rate.
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; Default: 0.016 (≈ 57.6 seconds)
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MemoryCacheTimeout = 0.016
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; Enable negative cache to short-circuit repeated misses for a short time.
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; Default: true
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NegativeCacheEnabled = true
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; Negative cache TTL in seconds.
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; Default: 120
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NegativeCacheTimeout = 120
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; Optional maximum size for the negative cache to control memory usage.
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; When exceeded, a batch of old/expired entries is pruned.
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; Default: 100000
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NegativeCacheMaxEntries = 100000
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; How many entries to remove when pruning the negative cache.
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; Default: 5000
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NegativeCachePruneBatch = 5000
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; Update file LastAccessTime on cache hits (touch). Helps expiration logic,
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; but can add IO. Internally throttled.
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; Default: false (effective, because it is masked by FileCacheEnabled)
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UpdateFileTimeOnCacheHit = false
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; Log verbosity for this module (0=minimal, 1=info, 2=verbose warnings).
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; Default: 0
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LogLevel = 0
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; Show hit-rate statistics every N requests (0 disables).
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; Default: 100
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HitRateDisplay = 100
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; Sampling size used to estimate alive WeakReference entries in hit report.
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; Larger values increase accuracy but also CPU work during reporting.
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; Default: 2000 (minimum enforced: 100)
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HitReportWeakRefSampleTarget = 2000
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; Expiration for on-disk files since last access (in hours).
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; Files older than now - FileCacheTimeout are eligible for removal.
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; Default: 48
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FileCacheTimeout = 48
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; How often (in hours) the background cleaner runs.
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; Default: 1.0
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FileCleanupTimer = 1.0
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; Directory sharding – number of tier levels (1..3).
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; Default: 1
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CacheDirectoryTiers = 1
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; Directory sharding – characters per tier segment (1..4).
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; Default: 3
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CacheDirectoryTierLength = 3
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; Warn if a single cache directory contains more than this many entries.
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; Helps tune sharding/expiration.
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; Default: 30000
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CacheWarnAt = 30000
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; Safer replace behavior: keep a temporary backup when replacing files (Windows/NTFS).
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; Backup files (.bak) are placed beside the target file.
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; Default: false
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FileReplaceKeepBackup = false
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; Allow overwrite moves when supported by the platform/runtime (NET6+).
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; Default: true
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FileMoveAllowOverwrite = true
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; Cleanup of stale .bak files (from interrupted replacements).
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; If enabled, the background cleaner removes old .bak files.
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; Default: true
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BakCleanupEnabled = true
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; Max age (in hours) for .bak files before they are removed by the cleaner.
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; Default: 24 (range enforced: 1 .. 168)
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BakCleanupMaxAgeHours = 24
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; Deserialization safety limits (protect against oversized/corrupt cache files):
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; Maximum UTF-8 string length per field (bytes). Floors/ceilings enforced internally.
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; Default: 262144 (256 KB) [floor: 32768, ceiling: 2097152]
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DeserializeMaxStringLenBytes = 262144
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; Maximum asset data size (MB). Floors/ceilings enforced internally.
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; Default: 64 [floor: 8, ceiling: 512]
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DeserializeMaxDataLenMB = 64
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; Backoff when a file is being written by another thread (thundering herd control):
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; Number of retry attempts.
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; Default: 3 [0..10]
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BackoffAttempts = 3
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; Initial backoff delay in milliseconds (exponential growth per attempt).
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; Default: 5 [0..500]
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BackoffInitialMs = 5
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; Maximum backoff delay per attempt in milliseconds (cap).
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; Default: 40 [>= BackoffInitialMs, <= 2000]
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BackoffMaxMs = 40 |