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Published: Jan 17, 2024 License: Apache-2.0 Imports: 23 Imported by: 0

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Types

type BoltDBIndexClient

type BoltDBIndexClient interface {
	QueryWithCursor(_ context.Context, c *bbolt.Cursor, query chunk.IndexQuery, callback func(chunk.IndexQuery, chunk.ReadBatch) (shouldContinue bool)) error
	WriteToDB(ctx context.Context, db *bbolt.DB, writes local.TableWrites) error
}

type Config

type Config struct {
	Uploader       string
	IndexDir       string
	UploadInterval time.Duration
	DBRetainPeriod time.Duration
}

type StorageClient

type StorageClient interface {
	PutObject(ctx context.Context, objectKey string, object io.ReadSeeker) error
}

type Table

type Table struct {
	// contains filtered or unexported fields
}

Table is a collection of multiple dbs created for a same table by the ingester. All the public methods are concurrency safe and take care of mutexes to avoid any data race.

func LoadTable

func LoadTable(path, uploader string, storageClient StorageClient, boltdbIndexClient BoltDBIndexClient) (*Table, error)

LoadTable loads local dbs belonging to the table and creates a new Table with references to dbs if there are any otherwise it doesn't create a table

func NewTable

func NewTable(path, uploader string, storageClient StorageClient, boltdbIndexClient BoltDBIndexClient) (*Table, error)

NewTable create a new Table without looking for any existing local dbs belonging to the table.

func (*Table) Cleanup

func (lt *Table) Cleanup(dbRetainPeriod time.Duration) error

Cleanup removes dbs which are already uploaded and have not been modified for period longer than dbRetainPeriod. This is to avoid keeping all the files forever in the ingesters.

func (*Table) MultiQueries

func (lt *Table) MultiQueries(ctx context.Context, queries []chunk.IndexQuery, callback chunk_util.Callback) error

MultiQueries runs multiple queries without having to take lock multiple times for each query.

func (*Table) RemoveDB

func (lt *Table) RemoveDB(name string) error

RemoveDB closes the db and removes the file locally.

func (*Table) RemoveSnapshotDB

func (lt *Table) RemoveSnapshotDB(name string) error

func (*Table) Snapshot

func (lt *Table) Snapshot() error

func (*Table) Stop

func (lt *Table) Stop()

Stop closes all the open dbs.

func (*Table) Upload

func (lt *Table) Upload(ctx context.Context, force bool) error

Upload uploads all the dbs which are never uploaded or have been modified since the last batch was uploaded.

func (*Table) Write

func (lt *Table) Write(ctx context.Context, writes local.TableWrites) error

Write writes to a db locally with write time set to now.

type TableManager

type TableManager struct {
	// contains filtered or unexported fields
}

func NewTableManager

func NewTableManager(cfg Config, boltIndexClient BoltDBIndexClient, storageClient StorageClient, registerer prometheus.Registerer) (*TableManager, error)

func (*TableManager) BatchWrite

func (tm *TableManager) BatchWrite(ctx context.Context, batch chunk.WriteBatch) error

func (*TableManager) QueryPages

func (tm *TableManager) QueryPages(ctx context.Context, queries []chunk.IndexQuery, callback chunk_util.Callback) error

func (*TableManager) Stop

func (tm *TableManager) Stop()

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