package v1alpha1

// IOQConfig config from https://docs.couchdb.org/en/stable/config/ioq.html
type IOQConfig struct {
	// Specifies the maximum number of concurrent in-flight IO requests that the queueing system will submit:
	Concurrency *int `json:"concurrency,omitempty" ini:"concurrency,omitempty"`
	// The fraction of the time that a background IO request will be selected over an interactive IO request when both queues are non-empty:
	Ratio *float32 `json:"ratio,omitempty" ini:"ratio,omitempty"`

	// Bypass ioq bypass config belows
	Bypass *IOQBypassConfig `json:"bypass,omitempty" ini:"ioq.bypass,omitempty"`
}

// IOQBypassConfig System administrators can choose to submit specific classes of IO directly
// to the underlying file descriptor or OS process, bypassing the queues altogether.
// Installing a bypass can yield higher throughput and lower latency, but relinquishes some control over prioritization.
type IOQBypassConfig struct {
	// Messages on their way to an external process (e.g., couchjs).
	OSProcess *bool `json:"osProcess,omitempty" ini:"os_process,omitempty"`

	// Disk IO fulfilling interactive read requests.
	Read *bool `json:"read,omitempty" ini:"read,omitempty"`

	// Disk IO required to update a database.
	Write *bool `json:"write,omitempty" ini:"write,omitempty"`

	// Disk IO required to update views and other secondary indexes.
	ViewUpdate *bool `json:"viewUpdate,omitempty" ini:"view_update,omitempty"`

	// Disk IO issued by the background replication processes that fix any inconsistencies between shard copies.
	ShardSync *bool `json:"shardSync,omitempty" ini:"shard_sync,omitempty"`

	// Disk IO issued by compaction jobs.
	Compaction *bool `json:"compaction,omitempty" ini:"compaction,omitempty"`

	// Disk IO issued by resharding jobs.
	Reshard *bool `json:"reshard,omitempty" ini:"reshard,omitempty"`
}