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tiered caching

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1/4 for small less than 1MB files. 1/4 for 1~4MB files, 1/2 for bigger than 4MB files
This commit is contained in:
Chris Lu
2020-04-13 22:19:27 -07:00
parent f282ed444b
commit 2b5c4fbbf3
5 changed files with 41 additions and 21 deletions
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8
weed/util/chunk_cache/on_disk_cache_layer.go
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@@ -14,7 +14,13 @@ type OnDiskCacheLayer struct {
diskCaches []*ChunkCacheVolume
}
func NewOnDiskCacheLayer(dir, namePrefix string, volumeCount int, volumeSize int64) *OnDiskCacheLayer{
func NewOnDiskCacheLayer(dir, namePrefix string, diskSizeMB int64, segmentCount int) *OnDiskCacheLayer{
volumeCount, volumeSize := int(diskSizeMB/30000), int64(30000)
if volumeCount < segmentCount {
volumeCount, volumeSize = segmentCount, diskSizeMB/int64(segmentCount)
}
c := &OnDiskCacheLayer{}
for i := 0; i < volumeCount; i++ {
fileName := path.Join(dir, fmt.Sprintf("%s_%d", namePrefix, i))