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loki/pkg/dataobj/internal/dataset/read_stats.go

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package dataset
import (
"github.com/grafana/loki/v3/pkg/xcap"
)
// xcap statistics for dataset reader operations.
var (
// Column statistics
StatPrimaryColumns = xcap.NewStatisticInt64("primary.columns", xcap.AggregationTypeSum)
StatSecondaryColumns = xcap.NewStatisticInt64("secondary.columns", xcap.AggregationTypeSum)
// Page statistics
StatPrimaryColumnPages = xcap.NewStatisticInt64("primary.column.pages", xcap.AggregationTypeSum)
StatSecondaryColumnPages = xcap.NewStatisticInt64("secondary.column.pages", xcap.AggregationTypeSum)
// Row statistics
StatMaxRows = xcap.NewStatisticInt64("row.max", xcap.AggregationTypeSum)
StatRowsAfterPruning = xcap.NewStatisticInt64("rows.after.pruning", xcap.AggregationTypeSum)
StatPrimaryRowsRead = xcap.NewStatisticInt64("primary.rows.read", xcap.AggregationTypeSum)
StatSecondaryRowsRead = xcap.NewStatisticInt64("secondary.rows.read", xcap.AggregationTypeSum)
StatPrimaryRowBytes = xcap.NewStatisticInt64("primary.row.read.bytes", xcap.AggregationTypeSum)
StatSecondaryRowBytes = xcap.NewStatisticInt64("secondary.row.read.bytes", xcap.AggregationTypeSum)
// Download/Page scan statistics
StatPagesScanned = xcap.NewStatisticInt64("pages.scanned", xcap.AggregationTypeSum)
StatPagesFoundInCache = xcap.NewStatisticInt64("pages.cache.hit", xcap.AggregationTypeSum)
StatPageDownloadRequests = xcap.NewStatisticInt64("pages.download.requests", xcap.AggregationTypeSum)
StatPageDownloadTime = xcap.NewStatisticInt64("pages.download.duration.ns", xcap.AggregationTypeSum)
// Page download byte statistics
StatPrimaryPagesDownloaded = xcap.NewStatisticInt64("primary.pages.downloaded", xcap.AggregationTypeSum)
StatSecondaryPagesDownloaded = xcap.NewStatisticInt64("secondary.pages.downloaded", xcap.AggregationTypeSum)
StatPrimaryColumnBytes = xcap.NewStatisticInt64("primary.pages.compressed.bytes", xcap.AggregationTypeSum)
StatSecondaryColumnBytes = xcap.NewStatisticInt64("secondary.pages.compressed.bytes", xcap.AggregationTypeSum)
StatPrimaryColumnUncompressedBytes = xcap.NewStatisticInt64("primary.pages.uncompressed.bytes", xcap.AggregationTypeSum)
StatSecondaryColumnUncompressedBytes = xcap.NewStatisticInt64("secondary.pages.uncompressed.bytes", xcap.AggregationTypeSum)
// Read operation statistics
StatReadCalls = xcap.NewStatisticInt64("read.calls", xcap.AggregationTypeSum)
)