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Enhance instance management: improve on-demand start handling and add LRU eviction logic

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This commit is contained in:
Matúš Námešný
2025-08-30 23:13:08 +02:00
parent 58cb36bd18
commit 4581d67165
1 changed files with 27 additions and 14 deletions
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41
pkg/server/handlers.go
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@@ -581,23 +581,36 @@ func (h *Handler) OpenAIProxy() http.HandlerFunc {
} }
if !inst.IsRunning() { if !inst.IsRunning() {
if inst.GetOptions().OnDemandStart != nil && *inst.GetOptions().OnDemandStart { allowOnDemand := inst.GetOptions() != nil && inst.GetOptions().OnDemandStart != nil && *inst.GetOptions().OnDemandStart
// If on-demand start is enabled, start the instance if !allowOnDemand {
if _, err := h.InstanceManager.StartInstance(modelName); err != nil {
http.Error(w, "Failed to start instance: "+err.Error(), http.StatusInternalServerError)
return
}
// Wait for the instance to become healthy before proceeding
if err := inst.WaitForHealthy(h.cfg.Instances.OnDemandStartTimeout); err != nil { // 2 minutes timeout
http.Error(w, "Instance failed to become healthy: "+err.Error(), http.StatusServiceUnavailable)
return
}
} else {
http.Error(w, "Instance is not running", http.StatusServiceUnavailable) http.Error(w, "Instance is not running", http.StatusServiceUnavailable)
return return
} }
if h.InstanceManager.IsMaxRunningInstancesReached() {
if h.cfg.Instances.EnableLRUEviction {
err := h.InstanceManager.EvictLRUInstance()
if err != nil {
http.Error(w, "Cannot start Instance, failed to evict instance "+err.Error(), http.StatusInternalServerError)
return
}
} else {
http.Error(w, "Cannot start Instance, maximum number of instances reached", http.StatusConflict)
return
}
}
// If on-demand start is enabled, start the instance
if _, err := h.InstanceManager.StartInstance(modelName); err != nil {
http.Error(w, "Failed to start instance: "+err.Error(), http.StatusInternalServerError)
return
}
// Wait for the instance to become healthy before proceeding
if err := inst.WaitForHealthy(h.cfg.Instances.OnDemandStartTimeout); err != nil { // 2 minutes timeout
http.Error(w, "Instance failed to become healthy: "+err.Error(), http.StatusServiceUnavailable)
return
}
} }
proxy, err := inst.GetProxy() proxy, err := inst.GetProxy()