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fn: pre-fork pool for namespace/network speedup (#874)

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* fn: pre-fork pool experimental implementation
This commit is contained in:
Tolga Ceylan
2018-03-23 16:35:35 -07:00
committed by GitHub
parent 0da7d9fcda
commit 0addcb8911
21 changed files with 1484 additions and 14 deletions
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10
api/agent/config.go
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@@ -20,6 +20,9 @@ type AgentConfig struct {
MaxTotalCPU uint64 `json:"max_total_cpu_mcpus"`
MaxTotalMemory uint64 `json:"max_total_memory_bytes"`
MaxFsSize uint64 `json:"max_fs_size_mb"`
PreForkPoolSize uint64 `json:"pre_fork_pool_size"`
PreForkImage string `json:"pre_fork_image"`
PreForkCmd string `json:"pre_fork_pool_cmd"`
}
const (
@@ -33,6 +36,9 @@ const (
EnvMaxTotalCPU = "FN_MAX_TOTAL_CPU_MCPUS"
EnvMaxTotalMemory = "FN_MAX_TOTAL_MEMORY_BYTES"
EnvMaxFsSize = "FN_MAX_FS_SIZE_MB"
EnvPreForkPoolSize = "FN_EXPERIMENTAL_PREFORK_POOL_SIZE"
EnvPreForkImage = "FN_EXPERIMENTAL_PREFORK_IMAGE"
EnvPreForkCmd = "FN_EXPERIMENTAL_PREFORK_CMD"
MaxDisabledMsecs = time.Duration(math.MaxInt64)
)
@@ -56,11 +62,15 @@ func NewAgentConfig() (*AgentConfig, error) {
err = setEnvUint(err, EnvMaxTotalCPU, &cfg.MaxTotalCPU)
err = setEnvUint(err, EnvMaxTotalMemory, &cfg.MaxTotalMemory)
err = setEnvUint(err, EnvMaxFsSize, &cfg.MaxFsSize)
err = setEnvUint(err, EnvPreForkPoolSize, &cfg.PreForkPoolSize)
if err != nil {
return cfg, err
}
cfg.PreForkImage = os.Getenv(EnvPreForkImage)
cfg.PreForkCmd = os.Getenv(EnvPreForkCmd)
if cfg.EjectIdle == time.Duration(0) {
return cfg, fmt.Errorf("error %s cannot be zero", EnvEjectIdle)
}