perf(后端): 完成性能优化与连接池配置
新增 DB/Redis 连接池配置与校验,并补充单测 网关请求体大小限制与 413 处理 HTTP/req 客户端池化并调整上游连接池默认值 并发槽位改为 ZSET+Lua 与指数退避 用量统计改 SQL 聚合并新增索引迁移 计费缓存写入改工作池并补测试/基准 测试: 在 backend/ 下运行 go test ./...
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27
backend/internal/handler/request_body_limit.go
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27
backend/internal/handler/request_body_limit.go
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package handler
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import (
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"errors"
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"fmt"
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"net/http"
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)
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func extractMaxBytesError(err error) (*http.MaxBytesError, bool) {
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var maxErr *http.MaxBytesError
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if errors.As(err, &maxErr) {
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return maxErr, true
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}
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return nil, false
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}
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func formatBodyLimit(limit int64) string {
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const mb = 1024 * 1024
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if limit >= mb {
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return fmt.Sprintf("%dMB", limit/mb)
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}
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return fmt.Sprintf("%dB", limit)
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}
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func buildBodyTooLargeMessage(limit int64) string {
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return fmt.Sprintf("Request body too large, limit is %s", formatBodyLimit(limit))
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}
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