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refactor

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adjust for faster test
This commit is contained in:
Chris Lu
2020-09-27 10:41:29 -07:00
parent a37535cd9f
commit 31fc7bb2e1
5 changed files with 23 additions and 25 deletions
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30
weed/util/chunk_cache/chunk_cache.go
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@@ -7,12 +7,6 @@ import (
"github.com/chrislusf/seaweedfs/weed/storage/needle"
)
const (
memCacheSizeLimit = 1024 * 1024
onDiskCacheSizeLimit0 = memCacheSizeLimit
onDiskCacheSizeLimit1 = 4 * memCacheSizeLimit
)
type ChunkCache interface {
GetChunk(fileId string, minSize uint64) (data []byte)
SetChunk(fileId string, data []byte)
@@ -23,17 +17,21 @@ type TieredChunkCache struct {
memCache *ChunkCacheInMemory
diskCaches []*OnDiskCacheLayer
sync.RWMutex
onDiskCacheSizeLimit0 uint64
onDiskCacheSizeLimit1 uint64
}
func NewTieredChunkCache(maxEntries int64, dir string, diskSizeMB int64) *TieredChunkCache {
func NewTieredChunkCache(maxEntries int64, dir string, diskSizeInUnit int64, unitSize int64) *TieredChunkCache {
c := &TieredChunkCache{
memCache: NewChunkCacheInMemory(maxEntries),
}
c.diskCaches = make([]*OnDiskCacheLayer, 3)
c.diskCaches[0] = NewOnDiskCacheLayer(dir, "c0_1", diskSizeMB/4, 4)
c.diskCaches[1] = NewOnDiskCacheLayer(dir, "c1_4", diskSizeMB/4, 4)
c.diskCaches[2] = NewOnDiskCacheLayer(dir, "cache", diskSizeMB/2, 4)
c.onDiskCacheSizeLimit0 = uint64(unitSize)
c.onDiskCacheSizeLimit1 = 4 * c.onDiskCacheSizeLimit0
c.diskCaches[0] = NewOnDiskCacheLayer(dir, "c0_1", diskSizeInUnit*unitSize/4, 4)
c.diskCaches[1] = NewOnDiskCacheLayer(dir, "c1_4", diskSizeInUnit*unitSize/4, 4)
c.diskCaches[2] = NewOnDiskCacheLayer(dir, "cache", diskSizeInUnit*unitSize/2, 4)
return c
}
@@ -51,7 +49,7 @@ func (c *TieredChunkCache) GetChunk(fileId string, minSize uint64) (data []byte)
func (c *TieredChunkCache) doGetChunk(fileId string, minSize uint64) (data []byte) {
if minSize < memCacheSizeLimit {
if minSize < c.onDiskCacheSizeLimit0 {
data = c.memCache.GetChunk(fileId)
if len(data) >= int(minSize) {
return data
@@ -64,13 +62,13 @@ func (c *TieredChunkCache) doGetChunk(fileId string, minSize uint64) (data []byt
return nil
}
if minSize < onDiskCacheSizeLimit0 {
if minSize < c.onDiskCacheSizeLimit0 {
data = c.diskCaches[0].getChunk(fid.Key)
if len(data) >= int(minSize) {
return data
}
}
if minSize < onDiskCacheSizeLimit1 {
if minSize < c.onDiskCacheSizeLimit1 {
data = c.diskCaches[1].getChunk(fid.Key)
if len(data) >= int(minSize) {
return data
@@ -101,7 +99,7 @@ func (c *TieredChunkCache) SetChunk(fileId string, data []byte) {
func (c *TieredChunkCache) doSetChunk(fileId string, data []byte) {
if len(data) < memCacheSizeLimit {
if len(data) < int(c.onDiskCacheSizeLimit0) {
c.memCache.SetChunk(fileId, data)
}
@@ -111,9 +109,9 @@ func (c *TieredChunkCache) doSetChunk(fileId string, data []byte) {
return
}
if len(data) < onDiskCacheSizeLimit0 {
if len(data) < int(c.onDiskCacheSizeLimit0) {
c.diskCaches[0].setChunk(fid.Key, data)
} else if len(data) < onDiskCacheSizeLimit1 {
} else if len(data) < int(c.onDiskCacheSizeLimit1) {
c.diskCaches[1].setChunk(fid.Key, data)
} else {
c.diskCaches[2].setChunk(fid.Key, data)