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handle nil chunk cache

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This commit is contained in:
Chris Lu 2020-04-12 01:00:12 -07:00
parent 211d87cf4c
commit b9b7da905e
1 changed files with 10 additions and 0 deletions
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10
weed/util/chunk_cache/chunk_cache.go
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@ -47,6 +47,10 @@ func NewChunkCache(maxEntries int64, dir string, diskSizeMB int64, segmentCount
}
func (c *ChunkCache) GetChunk(fileId string) (data []byte) {
if c == nil {
return
}
c.RLock()
defer c.RUnlock()
@ -76,6 +80,9 @@ func (c *ChunkCache) GetChunk(fileId string) (data []byte) {
}
func (c *ChunkCache) SetChunk(fileId string, data []byte) {
if c == nil {
return
}
c.Lock()
defer c.Unlock()
@ -107,6 +114,9 @@ func (c *ChunkCache) SetChunk(fileId string, data []byte) {
}
func (c *ChunkCache) Shutdown() {
if c == nil {
return
}
c.Lock()
defer c.Unlock()
for _, diskCache := range c.diskCaches {