waltools

type BySeriesCount []WALTargetStats

type Cardinality struct {
	Metric    string
	Instances int
}

type SampleStats struct {
	Labels  labels.Labels
	From    time.Time
	To      time.Time
	Samples int64
}

type WALStats struct {
	// From holds the first timestamp for the oldest sample found within the WAL.
	From time.Time

	// To holds the last timestamp for the newest sample found within the WAL.
	To time.Time

	// CheckpointNumber is the segment number of the most recently created
	// checkpoint.
	CheckpointNumber int

	// FirstSegment is the segment number of the first (oldest) non-checkpoint
	// segment file found within the WAL folder.
	FirstSegment int

	// FirstSegment is the segment number of the last (newest) non-checkpoint
	// segment file found within the WAL folder.
	LastSegment int

	// InvalidRefs is the number of samples with a ref ID to which there is no
	// series defined.
	InvalidRefs int

	// HashCollisions is the total number of times there has been a hash
	// collision. A hash collision is any instance in which a hash of labels
	// is defined by two ref IDs.
	//
	// For the Grafana Agent, a hash collision has no negative side effects
	// on data sent to the remote_write endpoint but may have a noticeable impact
	// on memory while the collision exists.
	HashCollisions int

	// Targets holds stats on specific scrape targets.
	Targets []WALTargetStats
}

type WALTargetStats struct {
	// Job corresponds to the "job" label on the scraped target.
	Job string

	// Instance corresponds to the "instance" label on the scraped target.
	Instance string

	// Series is the total number of series for the scraped target. It is
	// equivalent to the total cardinality.
	Series int

	// Samples is the total number of samples for the scraped target.
	Samples int
}