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fix: 优化调度快照缓存以避免 Redis 大 MGET

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ius
2026-04-08 10:10:15 -07:00
parent 0d69c0cd64
commit 265687b56d
12 changed files with 631 additions and 163 deletions
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12
backend/internal/config/config.go
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@@ -620,6 +620,10 @@ type GatewaySchedulingConfig struct {
// 负载计算
LoadBatchEnabled bool `mapstructure:"load_batch_enabled"`
// 快照桶读取时的 MGET 分块大小
SnapshotMGetChunkSize int `mapstructure:"snapshot_mget_chunk_size"`
// 快照重建时的缓存写入分块大小
SnapshotWriteChunkSize int `mapstructure:"snapshot_write_chunk_size"`
// 过期槽位清理周期（0 表示禁用）
SlotCleanupInterval time.Duration `mapstructure:"slot_cleanup_interval"`
@@ -1340,6 +1344,8 @@ func setDefaults() {
viper.SetDefault("gateway.scheduling.fallback_max_waiting", 100)
viper.SetDefault("gateway.scheduling.fallback_selection_mode", "last_used")
viper.SetDefault("gateway.scheduling.load_batch_enabled", true)
viper.SetDefault("gateway.scheduling.snapshot_mget_chunk_size", 128)
viper.SetDefault("gateway.scheduling.snapshot_write_chunk_size", 256)
viper.SetDefault("gateway.scheduling.slot_cleanup_interval", 30*time.Second)
viper.SetDefault("gateway.scheduling.db_fallback_enabled", true)
viper.SetDefault("gateway.scheduling.db_fallback_timeout_seconds", 0)
@@ -2001,6 +2007,12 @@ func (c *Config) Validate() error {
if c.Gateway.Scheduling.FallbackMaxWaiting <= 0 {
return fmt.Errorf("gateway.scheduling.fallback_max_waiting must be positive")
}
if c.Gateway.Scheduling.SnapshotMGetChunkSize <= 0 {
return fmt.Errorf("gateway.scheduling.snapshot_mget_chunk_size must be positive")
}
if c.Gateway.Scheduling.SnapshotWriteChunkSize <= 0 {
return fmt.Errorf("gateway.scheduling.snapshot_write_chunk_size must be positive")
}
if c.Gateway.Scheduling.SlotCleanupInterval < 0 {
return fmt.Errorf("gateway.scheduling.slot_cleanup_interval must be non-negative")
}