mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-24 23:55:18 +00:00
581 lines
19 KiB
Go
581 lines
19 KiB
Go
// Copyright 2021 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package pebble
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import (
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"bytes"
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"fmt"
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"strconv"
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"sync"
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"testing"
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"time"
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"github.com/cockroachdb/datadriven"
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"github.com/cockroachdb/pebble/bloom"
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"github.com/cockroachdb/pebble/internal/base"
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"github.com/cockroachdb/pebble/internal/testkeys"
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"github.com/cockroachdb/pebble/sstable"
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"github.com/cockroachdb/pebble/vfs"
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"github.com/cockroachdb/pebble/vfs/atomicfs"
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"github.com/stretchr/testify/require"
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)
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func TestFormatMajorVersion_MigrationDefined(t *testing.T) {
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for v := FormatMostCompatible; v <= FormatNewest; v++ {
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if _, ok := formatMajorVersionMigrations[v]; !ok {
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t.Errorf("format major version %d has no migration defined", v)
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}
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}
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}
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func TestRatchetFormat(t *testing.T) {
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fs := vfs.NewMem()
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d, err := Open("", (&Options{FS: fs}).WithFSDefaults())
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require.NoError(t, err)
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require.NoError(t, d.Set([]byte("foo"), []byte("bar"), Sync))
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require.Equal(t, FormatMostCompatible, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatVersioned))
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require.Equal(t, FormatVersioned, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatVersioned))
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require.Equal(t, FormatVersioned, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatSetWithDelete))
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require.Equal(t, FormatSetWithDelete, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatBlockPropertyCollector))
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require.Equal(t, FormatBlockPropertyCollector, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatSplitUserKeysMarked))
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require.Equal(t, FormatSplitUserKeysMarked, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatSplitUserKeysMarkedCompacted))
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require.Equal(t, FormatSplitUserKeysMarkedCompacted, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatRangeKeys))
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require.Equal(t, FormatRangeKeys, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatMinTableFormatPebblev1))
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require.Equal(t, FormatMinTableFormatPebblev1, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatPrePebblev1Marked))
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require.Equal(t, FormatPrePebblev1Marked, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(formatUnusedPrePebblev1MarkedCompacted))
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require.Equal(t, formatUnusedPrePebblev1MarkedCompacted, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatSSTableValueBlocks))
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require.Equal(t, FormatSSTableValueBlocks, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatFlushableIngest))
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require.Equal(t, FormatFlushableIngest, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatPrePebblev1MarkedCompacted))
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require.Equal(t, FormatPrePebblev1MarkedCompacted, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatDeleteSizedAndObsolete))
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require.Equal(t, FormatDeleteSizedAndObsolete, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(FormatVirtualSSTables))
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require.Equal(t, FormatVirtualSSTables, d.FormatMajorVersion())
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require.NoError(t, d.Close())
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// If we Open the database again, leaving the default format, the
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// database should Open using the persisted FormatNewest.
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d, err = Open("", (&Options{FS: fs}).WithFSDefaults())
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require.NoError(t, err)
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require.Equal(t, internalFormatNewest, d.FormatMajorVersion())
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require.NoError(t, d.Close())
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// Move the marker to a version that does not exist.
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m, _, err := atomicfs.LocateMarker(fs, "", formatVersionMarkerName)
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require.NoError(t, err)
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require.NoError(t, m.Move("999999"))
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require.NoError(t, m.Close())
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_, err = Open("", (&Options{
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FS: fs,
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FormatMajorVersion: FormatVersioned,
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}).WithFSDefaults())
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require.Error(t, err)
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require.EqualError(t, err, `pebble: database "" written in format major version 999999`)
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}
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func testBasicDB(d *DB) error {
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key := []byte("a")
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value := []byte("b")
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if err := d.Set(key, value, nil); err != nil {
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return err
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}
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if err := d.Flush(); err != nil {
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return err
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}
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if err := d.Compact(nil, []byte("\xff"), false); err != nil {
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return err
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}
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iter, _ := d.NewIter(nil)
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for valid := iter.First(); valid; valid = iter.Next() {
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}
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if err := iter.Close(); err != nil {
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return err
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}
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return nil
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}
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func TestFormatMajorVersions(t *testing.T) {
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for vers := FormatMostCompatible; vers <= FormatNewest; vers++ {
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t.Run(fmt.Sprintf("vers=%03d", vers), func(t *testing.T) {
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fs := vfs.NewStrictMem()
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opts := (&Options{
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FS: fs,
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FormatMajorVersion: vers,
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}).WithFSDefaults()
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// Create a database at this format major version and perform
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// some very basic operations.
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d, err := Open("", opts)
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require.NoError(t, err)
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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// Re-open the database at this format major version, and again
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// perform some basic operations.
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d, err = Open("", opts)
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require.NoError(t, err)
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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t.Run("upgrade-at-open", func(t *testing.T) {
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for upgradeVers := vers + 1; upgradeVers <= FormatNewest; upgradeVers++ {
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t.Run(fmt.Sprintf("upgrade-vers=%03d", upgradeVers), func(t *testing.T) {
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// We use vfs.MemFS's option to ignore syncs so
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// that we can perform an upgrade on the current
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// database state in fs, and revert it when this
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// subtest is complete.
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fs.SetIgnoreSyncs(true)
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defer fs.ResetToSyncedState()
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// Re-open the database, passing a higher format
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// major version in the Options to automatically
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// ratchet the format major version. Ensure some
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// basic operations pass.
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opts := opts.Clone()
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opts.FormatMajorVersion = upgradeVers
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d, err = Open("", opts)
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require.NoError(t, err)
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require.Equal(t, upgradeVers, d.FormatMajorVersion())
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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// Re-open to ensure the upgrade persisted.
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d, err = Open("", opts)
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require.NoError(t, err)
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require.Equal(t, upgradeVers, d.FormatMajorVersion())
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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})
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}
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})
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t.Run("upgrade-while-open", func(t *testing.T) {
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for upgradeVers := vers + 1; upgradeVers <= FormatNewest; upgradeVers++ {
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t.Run(fmt.Sprintf("upgrade-vers=%03d", upgradeVers), func(t *testing.T) {
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// Ensure the previous tests don't overwrite our
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// options.
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require.Equal(t, vers, opts.FormatMajorVersion)
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// We use vfs.MemFS's option to ignore syncs so
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// that we can perform an upgrade on the current
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// database state in fs, and revert it when this
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// subtest is complete.
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fs.SetIgnoreSyncs(true)
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defer fs.ResetToSyncedState()
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// Re-open the database, still at the current format
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// major version. Perform some basic operations,
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// ratchet the format version up, and perform
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// additional basic operations.
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d, err = Open("", opts)
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require.NoError(t, err)
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require.NoError(t, testBasicDB(d))
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require.Equal(t, vers, d.FormatMajorVersion())
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require.NoError(t, d.RatchetFormatMajorVersion(upgradeVers))
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require.Equal(t, upgradeVers, d.FormatMajorVersion())
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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// Re-open to ensure the upgrade persisted.
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d, err = Open("", opts)
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require.NoError(t, err)
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require.Equal(t, upgradeVers, d.FormatMajorVersion())
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require.NoError(t, testBasicDB(d))
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require.NoError(t, d.Close())
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})
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}
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})
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})
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}
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}
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func TestFormatMajorVersions_TableFormat(t *testing.T) {
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// NB: This test is intended to validate the mapping between every
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// FormatMajorVersion and sstable.TableFormat exhaustively. This serves as a
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// sanity check that new versions have a corresponding mapping. The test
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// fixture is intentionally verbose.
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m := map[FormatMajorVersion][2]sstable.TableFormat{
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FormatDefault: {sstable.TableFormatLevelDB, sstable.TableFormatRocksDBv2},
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FormatMostCompatible: {sstable.TableFormatLevelDB, sstable.TableFormatRocksDBv2},
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formatVersionedManifestMarker: {sstable.TableFormatLevelDB, sstable.TableFormatRocksDBv2},
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FormatVersioned: {sstable.TableFormatLevelDB, sstable.TableFormatRocksDBv2},
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FormatSetWithDelete: {sstable.TableFormatLevelDB, sstable.TableFormatRocksDBv2},
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FormatBlockPropertyCollector: {sstable.TableFormatLevelDB, sstable.TableFormatPebblev1},
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FormatSplitUserKeysMarked: {sstable.TableFormatLevelDB, sstable.TableFormatPebblev1},
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FormatSplitUserKeysMarkedCompacted: {sstable.TableFormatLevelDB, sstable.TableFormatPebblev1},
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FormatRangeKeys: {sstable.TableFormatLevelDB, sstable.TableFormatPebblev2},
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FormatMinTableFormatPebblev1: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev2},
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FormatPrePebblev1Marked: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev2},
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formatUnusedPrePebblev1MarkedCompacted: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev2},
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FormatSSTableValueBlocks: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev3},
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FormatFlushableIngest: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev3},
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FormatPrePebblev1MarkedCompacted: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev3},
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FormatDeleteSizedAndObsolete: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev4},
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FormatVirtualSSTables: {sstable.TableFormatPebblev1, sstable.TableFormatPebblev4},
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}
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// Valid versions.
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for fmv := FormatMostCompatible; fmv <= internalFormatNewest; fmv++ {
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got := [2]sstable.TableFormat{fmv.MinTableFormat(), fmv.MaxTableFormat()}
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require.Equalf(t, m[fmv], got, "got %s; want %s", got, m[fmv])
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require.True(t, got[0] <= got[1] /* min <= max */)
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}
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// Invalid versions.
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fmv := internalFormatNewest + 1
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require.Panics(t, func() { _ = fmv.MaxTableFormat() })
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require.Panics(t, func() { _ = fmv.MinTableFormat() })
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}
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func TestSplitUserKeyMigration(t *testing.T) {
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var d *DB
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var opts *Options
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var fs vfs.FS
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var buf bytes.Buffer
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defer func() {
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if d != nil {
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require.NoError(t, d.Close())
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}
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}()
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datadriven.RunTest(t, "testdata/format_major_version_split_user_key_migration",
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func(t *testing.T, td *datadriven.TestData) string {
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switch td.Cmd {
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case "define":
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if d != nil {
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if err := d.Close(); err != nil {
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return err.Error()
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}
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buf.Reset()
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}
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opts = (&Options{
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FormatMajorVersion: FormatBlockPropertyCollector,
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EventListener: &EventListener{
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CompactionEnd: func(info CompactionInfo) {
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// Fix the job ID and durations for determinism.
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info.JobID = 100
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info.Duration = time.Second
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info.TotalDuration = 2 * time.Second
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fmt.Fprintln(&buf, info)
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},
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},
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DisableAutomaticCompactions: true,
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}).WithFSDefaults()
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var err error
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if d, err = runDBDefineCmd(td, opts); err != nil {
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return err.Error()
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}
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fs = d.opts.FS
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d.mu.Lock()
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defer d.mu.Unlock()
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return d.mu.versions.currentVersion().DebugString(base.DefaultFormatter)
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case "reopen":
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if d != nil {
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if err := d.Close(); err != nil {
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return err.Error()
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}
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buf.Reset()
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}
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opts.FS = fs
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opts.DisableAutomaticCompactions = true
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var err error
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d, err = Open("", opts)
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if err != nil {
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return err.Error()
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}
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return "OK"
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case "build":
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if err := runBuildCmd(td, d, fs); err != nil {
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return err.Error()
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}
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return ""
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case "force-ingest":
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if err := runForceIngestCmd(td, d); err != nil {
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return err.Error()
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}
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d.mu.Lock()
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defer d.mu.Unlock()
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return d.mu.versions.currentVersion().DebugString(base.DefaultFormatter)
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case "format-major-version":
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return d.FormatMajorVersion().String()
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case "ratchet-format-major-version":
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v, err := strconv.Atoi(td.CmdArgs[0].String())
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if err != nil {
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return err.Error()
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}
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if err := d.RatchetFormatMajorVersion(FormatMajorVersion(v)); err != nil {
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return err.Error()
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}
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return buf.String()
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case "lsm":
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return runLSMCmd(td, d)
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case "marked-file-count":
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m := d.Metrics()
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return fmt.Sprintf("%d files marked for compaction", m.Compact.MarkedFiles)
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case "disable-automatic-compactions":
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d.mu.Lock()
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defer d.mu.Unlock()
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switch v := td.CmdArgs[0].String(); v {
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case "true":
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d.opts.DisableAutomaticCompactions = true
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case "false":
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d.opts.DisableAutomaticCompactions = false
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default:
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return fmt.Sprintf("unknown value %q", v)
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}
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return ""
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default:
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return fmt.Sprintf("unrecognized command %q", td.Cmd)
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}
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})
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}
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func TestPebblev1Migration(t *testing.T) {
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var d *DB
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defer func() {
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if d != nil {
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require.NoError(t, d.Close())
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}
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}()
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datadriven.RunTest(t, "testdata/format_major_version_pebblev1_migration",
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func(t *testing.T, td *datadriven.TestData) string {
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switch cmd := td.Cmd; cmd {
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case "open":
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var version int
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var err error
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for _, cmdArg := range td.CmdArgs {
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switch cmd := cmdArg.Key; cmd {
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case "version":
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version, err = strconv.Atoi(cmdArg.Vals[0])
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if err != nil {
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return err.Error()
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}
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default:
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return fmt.Sprintf("unknown argument: %s", cmd)
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}
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}
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opts := (&Options{
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FS: vfs.NewMem(),
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FormatMajorVersion: FormatMajorVersion(version),
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}).WithFSDefaults()
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d, err = Open("", opts)
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if err != nil {
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return err.Error()
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}
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return ""
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case "format-major-version":
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return d.FormatMajorVersion().String()
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case "min-table-format":
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return d.FormatMajorVersion().MinTableFormat().String()
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case "max-table-format":
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return d.FormatMajorVersion().MaxTableFormat().String()
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case "disable-automatic-compactions":
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d.mu.Lock()
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defer d.mu.Unlock()
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switch v := td.CmdArgs[0].String(); v {
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case "true":
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d.opts.DisableAutomaticCompactions = true
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case "false":
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d.opts.DisableAutomaticCompactions = false
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default:
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return fmt.Sprintf("unknown value %q", v)
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}
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return ""
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case "batch":
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b := d.NewIndexedBatch()
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if err := runBatchDefineCmd(td, b); err != nil {
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return err.Error()
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}
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if err := b.Commit(nil); err != nil {
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return err.Error()
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}
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return ""
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case "flush":
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if err := d.Flush(); err != nil {
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return err.Error()
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}
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return ""
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case "ingest":
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if err := runBuildCmd(td, d, d.opts.FS); err != nil {
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return err.Error()
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}
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// Only the first arg is a filename.
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td.CmdArgs = td.CmdArgs[:1]
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if err := runIngestCmd(td, d, d.opts.FS); err != nil {
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return err.Error()
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}
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return ""
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case "lsm":
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return runLSMCmd(td, d)
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case "tally-table-formats":
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d.mu.Lock()
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defer d.mu.Unlock()
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v := d.mu.versions.currentVersion()
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tally := make([]int, sstable.TableFormatMax+1)
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for _, l := range v.Levels {
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iter := l.Iter()
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for m := iter.First(); m != nil; m = iter.Next() {
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err := d.tableCache.withReader(m.PhysicalMeta(),
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func(r *sstable.Reader) error {
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f, err := r.TableFormat()
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if err != nil {
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return err
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}
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tally[f]++
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return nil
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})
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if err != nil {
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return err.Error()
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}
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}
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}
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var b bytes.Buffer
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for i := 1; i <= int(sstable.TableFormatMax); i++ {
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_, _ = fmt.Fprintf(&b, "%s: %d\n", sstable.TableFormat(i), tally[i])
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}
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return b.String()
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case "ratchet-format-major-version":
|
|
v, err := strconv.Atoi(td.CmdArgs[0].String())
|
|
if err != nil {
|
|
return err.Error()
|
|
}
|
|
if err = d.RatchetFormatMajorVersion(FormatMajorVersion(v)); err != nil {
|
|
return err.Error()
|
|
}
|
|
return ""
|
|
|
|
case "marked-file-count":
|
|
m := d.Metrics()
|
|
return fmt.Sprintf("%d files marked for compaction", m.Compact.MarkedFiles)
|
|
|
|
default:
|
|
return fmt.Sprintf("unknown command: %s", cmd)
|
|
}
|
|
},
|
|
)
|
|
}
|
|
|
|
// TestPebblev1MigrationRace exercises the race between a PrePebbleV1Marked
|
|
// format major version upgrade that needs to open sstables to read their table
|
|
// format, and concurrent compactions that may delete the same files from the
|
|
// LSM.
|
|
//
|
|
// Regression test for #2019.
|
|
func TestPebblev1MigrationRace(t *testing.T) {
|
|
// Use a smaller table cache size to slow down the PrePebbleV1Marked
|
|
// migration, ensuring each table read needs to re-open the file.
|
|
cache := NewCache(4 << 20)
|
|
defer cache.Unref()
|
|
tableCache := NewTableCache(cache, 1, 5)
|
|
defer tableCache.Unref()
|
|
d, err := Open("", (&Options{
|
|
Cache: cache,
|
|
FS: vfs.NewMem(),
|
|
FormatMajorVersion: FormatMajorVersion(FormatPrePebblev1Marked - 1),
|
|
TableCache: tableCache,
|
|
Levels: []LevelOptions{{TargetFileSize: 1}},
|
|
}).WithFSDefaults())
|
|
require.NoError(t, err)
|
|
defer d.Close()
|
|
|
|
ks := testkeys.Alpha(3).EveryN(10)
|
|
var key [3]byte
|
|
for i := int64(0); i < ks.Count(); i++ {
|
|
n := testkeys.WriteKey(key[:], ks, i)
|
|
require.NoError(t, d.Set(key[:n], key[:n], nil))
|
|
require.NoError(t, d.Flush())
|
|
}
|
|
|
|
// Asynchronously write and flush range deletes that will cause compactions
|
|
// to delete the existing sstables. These deletes will race with the format
|
|
// major version upgrade's migration will attempt to delete the files.
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for i := ks.Count() - 1; i > 0; i -= 50 {
|
|
endKey := testkeys.Key(ks, i)
|
|
startIndex := i - 50
|
|
if startIndex < 0 {
|
|
startIndex = 0
|
|
}
|
|
startKey := testkeys.Key(ks, startIndex)
|
|
|
|
require.NoError(t, d.DeleteRange(startKey, endKey, nil))
|
|
_, err := d.AsyncFlush()
|
|
require.NoError(t, err)
|
|
}
|
|
}()
|
|
require.NoError(t, d.RatchetFormatMajorVersion(FormatPrePebblev1Marked))
|
|
wg.Wait()
|
|
}
|
|
|
|
// Regression test for #2044, where multiple concurrent compactions can lead
|
|
// to an indefinite wait on the compaction goroutine in compactMarkedFilesLocked.
|
|
func TestPebblev1MigrationConcurrencyRace(t *testing.T) {
|
|
opts := (&Options{
|
|
Comparer: testkeys.Comparer,
|
|
FS: vfs.NewMem(),
|
|
FormatMajorVersion: FormatSplitUserKeysMarked,
|
|
Levels: []LevelOptions{{FilterPolicy: bloom.FilterPolicy(10)}},
|
|
MaxConcurrentCompactions: func() int {
|
|
return 4
|
|
},
|
|
}).WithFSDefaults()
|
|
func() {
|
|
d, err := Open("", opts)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
require.NoError(t, d.Close())
|
|
}()
|
|
|
|
ks := testkeys.Alpha(3).EveryN(10)
|
|
var key [3]byte
|
|
for i := int64(0); i < ks.Count(); i++ {
|
|
n := testkeys.WriteKey(key[:], ks, i)
|
|
require.NoError(t, d.Set(key[:n], key[:n], nil))
|
|
if i%100 == 0 {
|
|
require.NoError(t, d.Flush())
|
|
}
|
|
}
|
|
require.NoError(t, d.Flush())
|
|
}()
|
|
|
|
opts.FormatMajorVersion = formatUnusedPrePebblev1MarkedCompacted
|
|
d, err := Open("", opts)
|
|
require.NoError(t, err)
|
|
require.NoError(t, d.RatchetFormatMajorVersion(formatUnusedPrePebblev1MarkedCompacted))
|
|
require.NoError(t, d.Close())
|
|
}
|