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Improve available capacity checking (#240) 

* Improve available capacity checking

* Fixed expression
This commit is contained in:
Fedor Korotkov 2022-09-12 13:55:25 -04:00 committed by GitHub
parent f241e21614
commit 6321d547cf
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1 changed files with 5 additions and 3 deletions
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8
Sources/tart/VMStorageOCI.swift
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@ -158,10 +158,12 @@ class VMStorageOCI: PrunableStorage {
if let uncompressedDiskSize = manifest.uncompressedDiskSize() {
let requiredCapacityBytes = UInt64(uncompressedDiskSize + 128 * 1024 * 1024)
let attrs = try Config().tartCacheDir.resourceValues(forKeys: [.volumeAvailableCapacityForImportantUsageKey])
let availableCapacityBytes = UInt64(attrs.volumeAvailableCapacityForImportantUsage!)
let attrs = try Config().tartCacheDir.resourceValues(forKeys: [.volumeAvailableCapacityForImportantUsageKey, .volumeAvailableCapacityKey])
let availableCapacityBytes = max(UInt64(attrs.volumeAvailableCapacityForImportantUsage!), UInt64(attrs.volumeAvailableCapacity!))
if availableCapacityBytes < requiredCapacityBytes {
// There is a suspicious that occasionally capacity is returned as zero which can't be true.
// Let's validate to avoid unnecessary pruning.
if 0 < availableCapacityBytes && availableCapacityBytes < requiredCapacityBytes {
try Prune.pruneReclaim(reclaimBytes: requiredCapacityBytes - availableCapacityBytes)
}
}