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优化内容压缩
* 取消用户设置的压缩级别,现在压缩级别通过系统自动设置 * Pool中的对象命中100万次时自动销毁,避免内存泄漏 * 降低Pool中的对象数量,避免占用太多内存 * 根据系统CPU线程数自动计算压缩级别,避免消耗太多CPU * zstd限制解码的最大Window * zstd使用低内存模式
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@@ -5,8 +5,10 @@ package compressions
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import (
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"errors"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
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memutils "github.com/TeaOSLab/EdgeNode/internal/utils/mem"
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"io"
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"net/http"
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"runtime"
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)
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type ContentEncoding = string
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@@ -88,3 +90,31 @@ func WrapHTTPResponse(resp *http.Response) {
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resp.Header.Del("Content-Length")
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resp.Body = reader
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}
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// 系统CPU线程数
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var countCPU = runtime.NumCPU()
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// GenerateCompressLevel 根据系统资源自动生成压缩级别
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func GenerateCompressLevel(minLevel int, maxLevel int) (level int) {
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if countCPU < 16 {
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return minLevel
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}
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if countCPU < 32 {
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return min(3, maxLevel)
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}
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return min(5, maxLevel)
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}
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// CalculatePoolSize 计算Pool尺寸
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func CalculatePoolSize() int {
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var maxSize = memutils.SystemMemoryGB() * 64
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if maxSize == 0 {
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maxSize = 128
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}
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if maxSize > 4096 {
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maxSize = 4096
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}
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return maxSize
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}
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