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zeekay
5a601d081b
Full module path rebrand from Temporal to Hanzo Tasks: - go.mod module: github.com/hanzoai/tasks - All internal Go imports updated (1906 files) - cmd/server renamed to cmd/tasksd - Binary name: tasksd (was temporal-server) - Docker images: hanzoai/tasks (was temporalio/server) - README rewritten with Hanzo Tasks branding - LLM.md created with integration notes - Makefile, goreleaser, CI workflows updated - go.temporal.io/sdk and go.temporal.io/api imports preserved (separate repos) Fork of Temporal.io (MIT license).
88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
package queues
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import (
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"github.com/hanzoai/tasks/common/quotas"
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"github.com/hanzoai/tasks/common/tasks"
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)
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type SchedulerRateLimiter quotas.RequestRateLimiter
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func NewPrioritySchedulerRateLimiter(
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namespaceRateFn quotas.NamespaceRateFn,
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hostRateFn quotas.RateFn,
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persistenceNamespaceRateFn quotas.NamespaceRateFn,
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persistenceHostRateFn quotas.RateFn,
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) (SchedulerRateLimiter, error) {
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namespaceRateFnWithFallback := func(namespace string) float64 {
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if rate := namespaceRateFn(namespace); rate > 0 {
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return rate
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}
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return persistenceNamespaceRateFn(namespace)
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}
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hostRateFnWithFallback := func() float64 {
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if rate := hostRateFn(); rate > 0 {
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return rate
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}
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return persistenceHostRateFn()
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}
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requestPriorityFn := func(req quotas.Request) int {
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// NOTE: task scheduler will use the string format for task priority as the caller type.
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// see channelQuotaRequestFn in scheduler.go
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// TODO: we don't need this hack when requestRateLimiter uses generics
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if priority, ok := tasks.CallerTypeToPriority[req.CallerType]; ok {
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return int(priority)
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}
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// default to low priority
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return int(tasks.PriorityPreemptable)
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}
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priorityToRateLimiters := make(map[int]quotas.RequestRateLimiter, len(tasks.PriorityName))
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for priority := range tasks.PriorityName {
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priorityToRateLimiters[int(priority)] = newTaskRequestRateLimiter(
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namespaceRateFnWithFallback,
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hostRateFnWithFallback,
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)
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}
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priorityLimiter := quotas.NewPriorityRateLimiter(requestPriorityFn, priorityToRateLimiters)
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return priorityLimiter, nil
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}
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func newTaskRequestRateLimiter(
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namespaceRateFn quotas.NamespaceRateFn,
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hostRateFn quotas.RateFn,
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) quotas.RequestRateLimiter {
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hostRequestRateLimiter := quotas.NewRequestRateLimiterAdapter(
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quotas.NewDefaultIncomingRateLimiter(hostRateFn),
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)
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namespaceRequestRateLimiterFn := func(req quotas.Request) quotas.RequestRateLimiter {
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if len(req.Caller) == 0 {
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return quotas.NoopRequestRateLimiter
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}
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return quotas.NewRequestRateLimiterAdapter(
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quotas.NewDefaultIncomingRateLimiter(
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func() float64 {
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if rate := namespaceRateFn(req.Caller); rate > 0 {
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return rate
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}
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return hostRateFn()
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},
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),
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)
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}
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return quotas.NewMultiRequestRateLimiter(
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quotas.NewNamespaceRequestRateLimiter(namespaceRequestRateLimiterFn),
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hostRequestRateLimiter,
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)
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}
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