package storage

const (

	//PageNoSize    = 4

	// data page
	DataPageSize            = 8192
	DataPageFooterSize  int = 12
	DataPagePayloadSize int = DataPageSize - DataPageFooterSize

	dataCRC32Idx      = DataPageSize - 4
	timestampsSizeIdx = DataPageSize - 6
	valuesSizeIdx     = DataPageSize - 8
	prevPageIdx       = DataPageSize - 12

	// index page
	IndexPageSize         = 1024
	IndexPageFooterSize   = 7
	indexRecordSize       = 8
	maxRecordsOnIndexPage = (IndexPageSize - IndexPageFooterSize) / indexRecordSize

	//indexPageIncSize     = IndexPageIncSize
	indexCRC32Idx        = IndexPageSize - 4
	indexRecordsCountIdx = IndexPageSize - 6
	isZeroLevelIdx       = IndexPageSize - 7

	// timestampSize  = 4
	// pairSize       = timestampSize + PageNoSize
	// indexFooterIdx = indexRecordsQtyIdx
	// dataFooterIdx  = timestampsSizeIdx
)