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restic stats: add more compression statistics
Calculate and display compression ratio, space saving and progress
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d66e755ac7
commit
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@ -138,9 +138,20 @@ func runStats(gopts GlobalOptions, args []string) error {
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stats.TotalSize += uint64(pbs[0].Length)
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if repo.Config().Version >= 2 {
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stats.TotalUncompressedSize += uint64(crypto.CiphertextLength(int(pbs[0].DataLength())))
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if pbs[0].IsCompressed() {
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stats.TotalCompressedBlobsSize += uint64(pbs[0].Length)
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stats.TotalCompressedBlobsUncompressedSize += uint64(crypto.CiphertextLength(int(pbs[0].DataLength())))
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}
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}
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stats.TotalBlobCount++
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}
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if stats.TotalCompressedBlobsSize > 0 {
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stats.CompressionRatio = float64(stats.TotalCompressedBlobsUncompressedSize) / float64(stats.TotalCompressedBlobsSize)
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}
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if stats.TotalUncompressedSize > 0 {
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stats.CompressionProgress = float64(stats.TotalCompressedBlobsUncompressedSize) / float64(stats.TotalUncompressedSize) * 100
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stats.CompressionSpaceSaving = (1 - float64(stats.TotalSize)/float64(stats.TotalUncompressedSize)) * 100
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}
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}
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if gopts.JSON {
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@ -152,18 +163,26 @@ func runStats(gopts GlobalOptions, args []string) error {
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}
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Printf("Stats in %s mode:\n", statsOptions.countMode)
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Printf(" Snapshots processed: %d\n", stats.SnapshotsCount)
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Printf(" Snapshots processed: %d\n", stats.SnapshotsCount)
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if stats.TotalBlobCount > 0 {
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Printf(" Total Blob Count: %d\n", stats.TotalBlobCount)
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Printf(" Total Blob Count: %d\n", stats.TotalBlobCount)
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}
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if stats.TotalFileCount > 0 {
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Printf(" Total File Count: %d\n", stats.TotalFileCount)
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Printf(" Total File Count: %d\n", stats.TotalFileCount)
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}
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if stats.TotalUncompressedSize > 0 {
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Printf("Total Uncompressed Size: %-5s\n", formatBytes(stats.TotalUncompressedSize))
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Printf(" Total Uncompressed Size: %-5s\n", formatBytes(stats.TotalUncompressedSize))
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}
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Printf(" Total Size: %-5s\n", formatBytes(stats.TotalSize))
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if stats.CompressionProgress > 0 {
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Printf(" Compression Progress: %.2f%%\n", stats.CompressionProgress)
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}
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if stats.CompressionRatio > 0 {
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Printf(" Compression Ratio: %.2fx\n", stats.CompressionRatio)
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}
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if stats.CompressionSpaceSaving > 0 {
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Printf("Compression Space Saving: %.2f%%\n", stats.CompressionSpaceSaving)
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}
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Printf(" Total Size: %-5s\n", formatBytes(stats.TotalSize))
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return nil
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}
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@ -289,10 +308,15 @@ func verifyStatsInput(gopts GlobalOptions, args []string) error {
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// to collect information about it, as well as state needed
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// for a successful and efficient walk.
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type statsContainer struct {
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TotalSize uint64 `json:"total_size"`
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TotalUncompressedSize uint64 `json:"total_uncompressed_size,omitempty"`
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TotalFileCount uint64 `json:"total_file_count"`
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TotalBlobCount uint64 `json:"total_blob_count,omitempty"`
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TotalSize uint64 `json:"total_size"`
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TotalUncompressedSize uint64 `json:"total_uncompressed_size,omitempty"`
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TotalCompressedBlobsSize uint64 `json:"-"`
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TotalCompressedBlobsUncompressedSize uint64 `json:"-"`
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CompressionRatio float64 `json:"compression_ratio,omitempty"`
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CompressionProgress float64 `json:"compression_progress,omitempty"`
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CompressionSpaceSaving float64 `json:"compression_space_saving,omitempty"`
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TotalFileCount uint64 `json:"total_file_count,omitempty"`
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TotalBlobCount uint64 `json:"total_blob_count,omitempty"`
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// holds count of all considered snapshots
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SnapshotsCount int `json:"snapshots_count"`
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