Cache static files in memory #15
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kiootic
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Jan 24, 2024
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| writer := httputil.NewTimeoutResponseWriter(w, 10*time.Second) | ||
| http.ServeContent(writer, r, path.Base(r.URL.Path), info.ModTime, cacheReader) |
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This logic is duplicated, please refactor.
internal/cache/contentcache.go
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| return &ContentCache{m: m, cache: cache}, nil | ||
| } | ||
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| func (c *ContentCache) GetContent(id string, r io.Reader) (*bytes.Buffer, error) { |
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This signature is inappropiate, caches should return what is put in.
internal/cache/contentcache.go
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| func NewContentCache() (*ContentCache, error) { | ||
| m := make(map[string]*sync.Mutex) | ||
| cache, err := ristretto.NewCache(&ristretto.Config{ | ||
| NumCounters: 1e7, |
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How is this number derived?
internal/cache/contentcache.go
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| m := make(map[string]*sync.Mutex) | ||
| cache, err := ristretto.NewCache(&ristretto.Config{ | ||
| NumCounters: 1e7, | ||
| MaxCost: contentCacheSize, |
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This should be passed in as argument.
internal/cache/contentcache.go
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| BufferItems: 64, | ||
| OnExit: func(item interface{}) { | ||
| cell := item.(contentCacheCell) | ||
| delete(m, cell.hash) |
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Access to this map should be synchronized.
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Please write a test for the ContentCache:
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kiootic
changed the title
Instead of storing key and value as value, use a reference-counted map of rwmutexes (it automatically deletes mutexes so no need onExit in Ristretto) Separated into getContent and setContent in order to allow getContent call without io.ReadSeeker Used generics
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