tsdb

Documentation

Index

• func Open(path string, r prometheus.Registerer, opts *Options) (storage.Storage, error)
• type Options

Functions

func Open

func Open(path string, r prometheus.Registerer, opts *Options) (storage.Storage, error)

Open returns a new storage backed by a tsdb database.

Types

type Options

type Options struct {
	// The interval at which the write ahead log is flushed to disc.
	WALFlushInterval time.Duration

	// The timestamp range of head blocks after which they get persisted.
	// It's the minimum duration of any persisted block.
	MinBlockDuration time.Duration

	// The maximum timestamp range of compacted blocks.
	MaxBlockDuration time.Duration

	// Number of head blocks that can be appended to.
	// Should be two or higher to prevent write errors in general scenarios.
	//
	// After a new block is started for timestamp t0 or higher, appends with
	// timestamps as early as t0 - (n-1) * MinBlockDuration are valid.
	AppendableBlocks int

	// Duration for how long to retain data.
	Retention time.Duration
}

Options of the DB storage.