id

type Allocator interface {
	// SetBase set base id
	SetBase(newBase uint64) error
	// Alloc allocs a unique id.
	Alloc() (uint64, error)
	// Rebase resets the base for the allocator from the persistent window boundary,
	// which also resets the end of the allocator. (base, end) is the range that can
	// be allocated in memory.
	Rebase() error
}

type AllocatorParams struct {
	Client    *clientv3.Client
	RootPath  string
	AllocPath string // AllocPath specifies path to the persistent window boundary.
	Label     string // Label used to label metrics and logs.
	Member    string // Member value, used to check if current pd leader.
	Step      uint64 // Step size of each persistent window boundary increment, default 1000.
}