mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-14 12:15:18 +00:00
577 lines
16 KiB
Go
577 lines
16 KiB
Go
// Copyright 2019 The LevelDB-Go and Pebble Authors. All rights reserved. Use
|
|
// of this source code is governed by a BSD-style license that can be found in
|
|
// the LICENSE file.
|
|
|
|
package tool
|
|
|
|
import (
|
|
"cmp"
|
|
"fmt"
|
|
"io"
|
|
"slices"
|
|
"time"
|
|
|
|
"github.com/cockroachdb/pebble"
|
|
"github.com/cockroachdb/pebble/internal/base"
|
|
"github.com/cockroachdb/pebble/internal/humanize"
|
|
"github.com/cockroachdb/pebble/internal/manifest"
|
|
"github.com/cockroachdb/pebble/record"
|
|
"github.com/cockroachdb/pebble/sstable"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
// manifestT implements manifest-level tools, including both configuration
|
|
// state and the commands themselves.
|
|
type manifestT struct {
|
|
Root *cobra.Command
|
|
Dump *cobra.Command
|
|
Summarize *cobra.Command
|
|
Check *cobra.Command
|
|
|
|
opts *pebble.Options
|
|
comparers sstable.Comparers
|
|
fmtKey keyFormatter
|
|
verbose bool
|
|
|
|
filterStart key
|
|
filterEnd key
|
|
|
|
summarizeDur time.Duration
|
|
}
|
|
|
|
func newManifest(opts *pebble.Options, comparers sstable.Comparers) *manifestT {
|
|
m := &manifestT{
|
|
opts: opts,
|
|
comparers: comparers,
|
|
summarizeDur: time.Hour,
|
|
}
|
|
m.fmtKey.mustSet("quoted")
|
|
|
|
m.Root = &cobra.Command{
|
|
Use: "manifest",
|
|
Short: "manifest introspection tools",
|
|
}
|
|
|
|
// Add dump command
|
|
m.Dump = &cobra.Command{
|
|
Use: "dump <manifest-files>",
|
|
Short: "print manifest contents",
|
|
Long: `
|
|
Print the contents of the MANIFEST files.
|
|
`,
|
|
Args: cobra.MinimumNArgs(1),
|
|
Run: m.runDump,
|
|
}
|
|
m.Dump.Flags().Var(&m.fmtKey, "key", "key formatter")
|
|
m.Dump.Flags().Var(&m.filterStart, "filter-start", "start key filters out all version edits that only reference sstables containing keys strictly before the given key")
|
|
m.Dump.Flags().Var(&m.filterEnd, "filter-end", "end key filters out all version edits that only reference sstables containing keys at or strictly after the given key")
|
|
m.Root.AddCommand(m.Dump)
|
|
m.Root.PersistentFlags().BoolVarP(&m.verbose, "verbose", "v", false, "verbose output")
|
|
|
|
// Add summarize command
|
|
m.Summarize = &cobra.Command{
|
|
Use: "summarize <manifest-files>",
|
|
Short: "summarize manifest contents",
|
|
Long: `
|
|
Summarize the edits to the MANIFEST files over time.
|
|
`,
|
|
Args: cobra.MinimumNArgs(1),
|
|
Run: m.runSummarize,
|
|
}
|
|
m.Root.AddCommand(m.Summarize)
|
|
m.Summarize.Flags().DurationVar(
|
|
&m.summarizeDur, "dur", time.Hour, "bucket duration as a Go duration string (eg, '1h', '15m')")
|
|
|
|
// Add check command
|
|
m.Check = &cobra.Command{
|
|
Use: "check <manifest-files>",
|
|
Short: "check manifest contents",
|
|
Long: `
|
|
Check the contents of the MANIFEST files.
|
|
`,
|
|
Args: cobra.MinimumNArgs(1),
|
|
Run: m.runCheck,
|
|
}
|
|
m.Root.AddCommand(m.Check)
|
|
m.Check.Flags().Var(
|
|
&m.fmtKey, "key", "key formatter")
|
|
|
|
return m
|
|
}
|
|
|
|
func (m *manifestT) printLevels(cmp base.Compare, stdout io.Writer, v *manifest.Version) {
|
|
for level := range v.Levels {
|
|
if level == 0 && len(v.L0SublevelFiles) > 0 && !v.Levels[level].Empty() {
|
|
for sublevel := len(v.L0SublevelFiles) - 1; sublevel >= 0; sublevel-- {
|
|
fmt.Fprintf(stdout, "--- L0.%d ---\n", sublevel)
|
|
v.L0SublevelFiles[sublevel].Each(func(f *manifest.FileMetadata) {
|
|
if !anyOverlapFile(cmp, f, m.filterStart, m.filterEnd) {
|
|
return
|
|
}
|
|
fmt.Fprintf(stdout, " %s:%d", f.FileNum, f.Size)
|
|
formatSeqNumRange(stdout, f.SmallestSeqNum, f.LargestSeqNum)
|
|
formatKeyRange(stdout, m.fmtKey, &f.Smallest, &f.Largest)
|
|
fmt.Fprintf(stdout, "\n")
|
|
})
|
|
}
|
|
continue
|
|
}
|
|
fmt.Fprintf(stdout, "--- L%d ---\n", level)
|
|
iter := v.Levels[level].Iter()
|
|
for f := iter.First(); f != nil; f = iter.Next() {
|
|
if !anyOverlapFile(cmp, f, m.filterStart, m.filterEnd) {
|
|
continue
|
|
}
|
|
fmt.Fprintf(stdout, " %s:%d", f.FileNum, f.Size)
|
|
formatSeqNumRange(stdout, f.SmallestSeqNum, f.LargestSeqNum)
|
|
formatKeyRange(stdout, m.fmtKey, &f.Smallest, &f.Largest)
|
|
fmt.Fprintf(stdout, "\n")
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *manifestT) runDump(cmd *cobra.Command, args []string) {
|
|
stdout, stderr := cmd.OutOrStdout(), cmd.OutOrStderr()
|
|
for _, arg := range args {
|
|
func() {
|
|
f, err := m.opts.FS.Open(arg)
|
|
if err != nil {
|
|
fmt.Fprintf(stderr, "%s\n", err)
|
|
return
|
|
}
|
|
defer f.Close()
|
|
|
|
fmt.Fprintf(stdout, "%s\n", arg)
|
|
|
|
var bve manifest.BulkVersionEdit
|
|
bve.AddedByFileNum = make(map[base.FileNum]*manifest.FileMetadata)
|
|
var comparer *base.Comparer
|
|
var editIdx int
|
|
rr := record.NewReader(f, 0 /* logNum */)
|
|
for {
|
|
offset := rr.Offset()
|
|
r, err := rr.Next()
|
|
if err != nil {
|
|
fmt.Fprintf(stdout, "%s\n", err)
|
|
break
|
|
}
|
|
|
|
var ve manifest.VersionEdit
|
|
err = ve.Decode(r)
|
|
if err != nil {
|
|
fmt.Fprintf(stdout, "%s\n", err)
|
|
break
|
|
}
|
|
if err := bve.Accumulate(&ve); err != nil {
|
|
fmt.Fprintf(stdout, "%s\n", err)
|
|
break
|
|
}
|
|
|
|
if comparer != nil && !anyOverlap(comparer.Compare, &ve, m.filterStart, m.filterEnd) {
|
|
continue
|
|
}
|
|
|
|
empty := true
|
|
fmt.Fprintf(stdout, "%d/%d\n", offset, editIdx)
|
|
if ve.ComparerName != "" {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " comparer: %s", ve.ComparerName)
|
|
comparer = m.comparers[ve.ComparerName]
|
|
if comparer == nil {
|
|
fmt.Fprintf(stdout, " (unknown)")
|
|
}
|
|
fmt.Fprintf(stdout, "\n")
|
|
m.fmtKey.setForComparer(ve.ComparerName, m.comparers)
|
|
}
|
|
if ve.MinUnflushedLogNum != 0 {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " log-num: %d\n", ve.MinUnflushedLogNum)
|
|
}
|
|
if ve.ObsoletePrevLogNum != 0 {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " prev-log-num: %d\n", ve.ObsoletePrevLogNum)
|
|
}
|
|
if ve.NextFileNum != 0 {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " next-file-num: %d\n", ve.NextFileNum)
|
|
}
|
|
if ve.LastSeqNum != 0 {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " last-seq-num: %d\n", ve.LastSeqNum)
|
|
}
|
|
entries := make([]manifest.DeletedFileEntry, 0, len(ve.DeletedFiles))
|
|
for df := range ve.DeletedFiles {
|
|
empty = false
|
|
entries = append(entries, df)
|
|
}
|
|
slices.SortFunc(entries, func(a, b manifest.DeletedFileEntry) int {
|
|
if v := cmp.Compare(a.Level, b.Level); v != 0 {
|
|
return v
|
|
}
|
|
return cmp.Compare(a.FileNum, b.FileNum)
|
|
})
|
|
for _, df := range entries {
|
|
fmt.Fprintf(stdout, " deleted: L%d %s\n", df.Level, df.FileNum)
|
|
}
|
|
for _, nf := range ve.NewFiles {
|
|
empty = false
|
|
fmt.Fprintf(stdout, " added: L%d %s:%d",
|
|
nf.Level, nf.Meta.FileNum, nf.Meta.Size)
|
|
formatSeqNumRange(stdout, nf.Meta.SmallestSeqNum, nf.Meta.LargestSeqNum)
|
|
formatKeyRange(stdout, m.fmtKey, &nf.Meta.Smallest, &nf.Meta.Largest)
|
|
if nf.Meta.CreationTime != 0 {
|
|
fmt.Fprintf(stdout, " (%s)",
|
|
time.Unix(nf.Meta.CreationTime, 0).UTC().Format(time.RFC3339))
|
|
}
|
|
fmt.Fprintf(stdout, "\n")
|
|
}
|
|
if empty {
|
|
// NB: An empty version edit can happen if we log a version edit with
|
|
// a zero field. RocksDB does this with a version edit that contains
|
|
// `LogNum == 0`.
|
|
fmt.Fprintf(stdout, " <empty>\n")
|
|
}
|
|
editIdx++
|
|
}
|
|
|
|
if comparer != nil {
|
|
v, err := bve.Apply(
|
|
nil /* version */, comparer.Compare, m.fmtKey.fn, 0,
|
|
m.opts.Experimental.ReadCompactionRate,
|
|
nil /* zombies */, manifest.AllowSplitUserKeys,
|
|
)
|
|
if err != nil {
|
|
fmt.Fprintf(stdout, "%s\n", err)
|
|
return
|
|
}
|
|
m.printLevels(comparer.Compare, stdout, v)
|
|
}
|
|
}()
|
|
}
|
|
}
|
|
|
|
func anyOverlap(cmp base.Compare, ve *manifest.VersionEdit, start, end key) bool {
|
|
if start == nil && end == nil {
|
|
return true
|
|
}
|
|
for _, df := range ve.DeletedFiles {
|
|
if anyOverlapFile(cmp, df, start, end) {
|
|
return true
|
|
}
|
|
}
|
|
for _, nf := range ve.NewFiles {
|
|
if anyOverlapFile(cmp, nf.Meta, start, end) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func anyOverlapFile(cmp base.Compare, f *manifest.FileMetadata, start, end key) bool {
|
|
if f == nil {
|
|
return true
|
|
}
|
|
if start != nil {
|
|
if v := cmp(f.Largest.UserKey, start); v < 0 {
|
|
return false
|
|
} else if f.Largest.IsExclusiveSentinel() && v == 0 {
|
|
return false
|
|
}
|
|
}
|
|
if end != nil && cmp(f.Smallest.UserKey, end) >= 0 {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (m *manifestT) runSummarize(cmd *cobra.Command, args []string) {
|
|
for _, arg := range args {
|
|
err := m.runSummarizeOne(cmd.OutOrStdout(), arg)
|
|
if err != nil {
|
|
fmt.Fprintf(cmd.OutOrStderr(), "%s\n", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *manifestT) runSummarizeOne(stdout io.Writer, arg string) error {
|
|
f, err := m.opts.FS.Open(arg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
fmt.Fprintf(stdout, "%s\n", arg)
|
|
|
|
type summaryBucket struct {
|
|
bytesAdded [manifest.NumLevels]uint64
|
|
bytesCompactOut [manifest.NumLevels]uint64
|
|
}
|
|
var (
|
|
bve manifest.BulkVersionEdit
|
|
newestOverall time.Time
|
|
oldestOverall time.Time // oldest after initial version edit
|
|
buckets = map[time.Time]*summaryBucket{}
|
|
metadatas = map[base.FileNum]*manifest.FileMetadata{}
|
|
)
|
|
bve.AddedByFileNum = make(map[base.FileNum]*manifest.FileMetadata)
|
|
rr := record.NewReader(f, 0 /* logNum */)
|
|
for i := 0; ; i++ {
|
|
r, err := rr.Next()
|
|
if err == io.EOF {
|
|
break
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
|
|
var ve manifest.VersionEdit
|
|
err = ve.Decode(r)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if err := bve.Accumulate(&ve); err != nil {
|
|
return err
|
|
}
|
|
|
|
veNewest, veOldest := newestOverall, newestOverall
|
|
for _, nf := range ve.NewFiles {
|
|
_, seen := metadatas[nf.Meta.FileNum]
|
|
metadatas[nf.Meta.FileNum] = nf.Meta
|
|
if nf.Meta.CreationTime == 0 {
|
|
continue
|
|
}
|
|
|
|
t := time.Unix(nf.Meta.CreationTime, 0).UTC()
|
|
if veNewest.Before(t) {
|
|
veNewest = t
|
|
}
|
|
// Only update the oldest if we haven't already seen this
|
|
// file; it might've been moved in which case the sstable's
|
|
// creation time is from when it was originally created.
|
|
if veOldest.After(t) && !seen {
|
|
veOldest = t
|
|
}
|
|
}
|
|
// Ratchet up the most recent timestamp we've seen.
|
|
if newestOverall.Before(veNewest) {
|
|
newestOverall = veNewest
|
|
}
|
|
|
|
if i == 0 || newestOverall.IsZero() {
|
|
continue
|
|
}
|
|
// Update oldestOverall once, when we encounter the first version edit
|
|
// at index >= 1. It should be approximately the start time of the
|
|
// manifest.
|
|
if !newestOverall.IsZero() && oldestOverall.IsZero() {
|
|
oldestOverall = newestOverall
|
|
}
|
|
|
|
bucketKey := newestOverall.Truncate(m.summarizeDur)
|
|
b := buckets[bucketKey]
|
|
if b == nil {
|
|
b = &summaryBucket{}
|
|
buckets[bucketKey] = b
|
|
}
|
|
|
|
// Increase `bytesAdded` for any version edits that only add files.
|
|
// These are either flushes or ingests.
|
|
if len(ve.NewFiles) > 0 && len(ve.DeletedFiles) == 0 {
|
|
for _, nf := range ve.NewFiles {
|
|
b.bytesAdded[nf.Level] += nf.Meta.Size
|
|
}
|
|
continue
|
|
}
|
|
|
|
// Increase `bytesCompactOut` for the input level of any compactions
|
|
// that remove bytes from a level (excluding intra-L0 compactions).
|
|
// compactions.
|
|
destLevel := -1
|
|
if len(ve.NewFiles) > 0 {
|
|
destLevel = ve.NewFiles[0].Level
|
|
}
|
|
for dfe := range ve.DeletedFiles {
|
|
if dfe.Level != destLevel {
|
|
b.bytesCompactOut[dfe.Level] += metadatas[dfe.FileNum].Size
|
|
}
|
|
}
|
|
}
|
|
|
|
formatUint64 := func(v uint64, _ time.Duration) string {
|
|
if v == 0 {
|
|
return "."
|
|
}
|
|
return humanize.Bytes.Uint64(v).String()
|
|
}
|
|
formatRate := func(v uint64, dur time.Duration) string {
|
|
if v == 0 {
|
|
return "."
|
|
}
|
|
secs := dur.Seconds()
|
|
if secs == 0 {
|
|
secs = 1
|
|
}
|
|
return humanize.Bytes.Uint64(uint64(float64(v)/secs)).String() + "/s"
|
|
}
|
|
|
|
if newestOverall.IsZero() {
|
|
fmt.Fprintf(stdout, "(no timestamps)\n")
|
|
} else {
|
|
// NB: bt begins unaligned with the bucket duration (m.summarizeDur),
|
|
// but after the first bucket will always be aligned.
|
|
for bi, bt := 0, oldestOverall; !bt.After(newestOverall); bi, bt = bi+1, bt.Truncate(m.summarizeDur).Add(m.summarizeDur) {
|
|
// Truncate the start time to calculate the bucket key, and
|
|
// retrieve the appropriate bucket.
|
|
bk := bt.Truncate(m.summarizeDur)
|
|
var bucket summaryBucket
|
|
if buckets[bk] != nil {
|
|
bucket = *buckets[bk]
|
|
}
|
|
|
|
if bi%10 == 0 {
|
|
fmt.Fprintf(stdout, " ")
|
|
fmt.Fprintf(stdout, "_______L0_______L1_______L2_______L3_______L4_______L5_______L6_____TOTAL\n")
|
|
}
|
|
fmt.Fprintf(stdout, "%s\n", bt.Format(time.RFC3339))
|
|
|
|
// Compute the bucket duration. It may < `m.summarizeDur` if this is
|
|
// the first or last bucket.
|
|
bucketEnd := bt.Truncate(m.summarizeDur).Add(m.summarizeDur)
|
|
if bucketEnd.After(newestOverall) {
|
|
bucketEnd = newestOverall
|
|
}
|
|
dur := bucketEnd.Sub(bt)
|
|
|
|
stats := []struct {
|
|
label string
|
|
format func(uint64, time.Duration) string
|
|
vals [manifest.NumLevels]uint64
|
|
}{
|
|
{"Ingest+Flush", formatUint64, bucket.bytesAdded},
|
|
{"Ingest+Flush", formatRate, bucket.bytesAdded},
|
|
{"Compact (out)", formatUint64, bucket.bytesCompactOut},
|
|
{"Compact (out)", formatRate, bucket.bytesCompactOut},
|
|
}
|
|
for _, stat := range stats {
|
|
var sum uint64
|
|
for _, v := range stat.vals {
|
|
sum += v
|
|
}
|
|
fmt.Fprintf(stdout, "%20s %8s %8s %8s %8s %8s %8s %8s %8s\n",
|
|
stat.label,
|
|
stat.format(stat.vals[0], dur),
|
|
stat.format(stat.vals[1], dur),
|
|
stat.format(stat.vals[2], dur),
|
|
stat.format(stat.vals[3], dur),
|
|
stat.format(stat.vals[4], dur),
|
|
stat.format(stat.vals[5], dur),
|
|
stat.format(stat.vals[6], dur),
|
|
stat.format(sum, dur))
|
|
}
|
|
}
|
|
fmt.Fprintf(stdout, "%s\n", newestOverall.Format(time.RFC3339))
|
|
}
|
|
|
|
dur := newestOverall.Sub(oldestOverall)
|
|
fmt.Fprintf(stdout, "---\n")
|
|
fmt.Fprintf(stdout, "Estimated start time: %s\n", oldestOverall.Format(time.RFC3339))
|
|
fmt.Fprintf(stdout, "Estimated end time: %s\n", newestOverall.Format(time.RFC3339))
|
|
fmt.Fprintf(stdout, "Estimated duration: %s\n", dur.String())
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *manifestT) runCheck(cmd *cobra.Command, args []string) {
|
|
stdout, stderr := cmd.OutOrStdout(), cmd.OutOrStderr()
|
|
ok := true
|
|
for _, arg := range args {
|
|
func() {
|
|
f, err := m.opts.FS.Open(arg)
|
|
if err != nil {
|
|
fmt.Fprintf(stderr, "%s\n", err)
|
|
ok = false
|
|
return
|
|
}
|
|
defer f.Close()
|
|
|
|
var v *manifest.Version
|
|
var cmp *base.Comparer
|
|
rr := record.NewReader(f, 0 /* logNum */)
|
|
// Contains the FileMetadata needed by BulkVersionEdit.Apply.
|
|
// It accumulates the additions since later edits contain
|
|
// deletions of earlier added files.
|
|
addedByFileNum := make(map[base.FileNum]*manifest.FileMetadata)
|
|
for {
|
|
offset := rr.Offset()
|
|
r, err := rr.Next()
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
fmt.Fprintf(stdout, "%s: offset: %d err: %s\n", arg, offset, err)
|
|
ok = false
|
|
break
|
|
}
|
|
|
|
var ve manifest.VersionEdit
|
|
err = ve.Decode(r)
|
|
if err != nil {
|
|
fmt.Fprintf(stdout, "%s: offset: %d err: %s\n", arg, offset, err)
|
|
ok = false
|
|
break
|
|
}
|
|
var bve manifest.BulkVersionEdit
|
|
bve.AddedByFileNum = addedByFileNum
|
|
if err := bve.Accumulate(&ve); err != nil {
|
|
fmt.Fprintf(stderr, "%s\n", err)
|
|
ok = false
|
|
return
|
|
}
|
|
|
|
empty := true
|
|
if ve.ComparerName != "" {
|
|
empty = false
|
|
cmp = m.comparers[ve.ComparerName]
|
|
if cmp == nil {
|
|
fmt.Fprintf(stdout, "%s: offset: %d comparer %s not found",
|
|
arg, offset, ve.ComparerName)
|
|
ok = false
|
|
break
|
|
}
|
|
m.fmtKey.setForComparer(ve.ComparerName, m.comparers)
|
|
}
|
|
empty = empty && ve.MinUnflushedLogNum == 0 && ve.ObsoletePrevLogNum == 0 &&
|
|
ve.LastSeqNum == 0 && len(ve.DeletedFiles) == 0 &&
|
|
len(ve.NewFiles) == 0
|
|
if empty {
|
|
continue
|
|
}
|
|
// TODO(sbhola): add option to Apply that reports all errors instead of
|
|
// one error.
|
|
newv, err := bve.Apply(v, cmp.Compare, m.fmtKey.fn, 0, m.opts.Experimental.ReadCompactionRate, nil /* zombies */, manifest.AllowSplitUserKeys)
|
|
if err != nil {
|
|
fmt.Fprintf(stdout, "%s: offset: %d err: %s\n",
|
|
arg, offset, err)
|
|
fmt.Fprintf(stdout, "Version state before failed Apply\n")
|
|
m.printLevels(cmp.Compare, stdout, v)
|
|
fmt.Fprintf(stdout, "Version edit that failed\n")
|
|
for df := range ve.DeletedFiles {
|
|
fmt.Fprintf(stdout, " deleted: L%d %s\n", df.Level, df.FileNum)
|
|
}
|
|
for _, nf := range ve.NewFiles {
|
|
fmt.Fprintf(stdout, " added: L%d %s:%d",
|
|
nf.Level, nf.Meta.FileNum, nf.Meta.Size)
|
|
formatSeqNumRange(stdout, nf.Meta.SmallestSeqNum, nf.Meta.LargestSeqNum)
|
|
formatKeyRange(stdout, m.fmtKey, &nf.Meta.Smallest, &nf.Meta.Largest)
|
|
fmt.Fprintf(stdout, "\n")
|
|
}
|
|
ok = false
|
|
break
|
|
}
|
|
v = newv
|
|
}
|
|
}()
|
|
}
|
|
if ok {
|
|
fmt.Fprintf(stdout, "OK\n")
|
|
}
|
|
}
|