Method avgSizePerRowGroup

cmd/tempo-cli/cmd-analyse-block.go:642–646

avgSizePerRowGroup is the average number of bytes used for this attribute per row group, assuming a compressed dictionary and page content of 1 byte per row.

(numRowGroups int)

// avgSizePerRowGroup is the average number of bytes used for this attribute per row group, assuming a
// compressed dictionary and page content of 1 byte per row.
func (c cardinality) avgSizePerRowGroup(numRowGroups int) uint64 {
	dict := c.dictionarySize()
	content := c.totalOccurrences()
	return uint64((float64(dict) + float64(content)) / float64(numRowGroups))
}

type makeIterFn func(columnName string, predicate parquetquery.Predicate, selectAs string) parquetquery.Iterator