erigon-pulse/state/inverted_index_test.go
ledgerwatch fadc9b21d1
[erigon2.2] Split 2.2 and 2.3 prototype (#548)
* Introduce access functions to history

* Add missing functions

* Add missing functions

* Add missing functions

* Changeover in the aggregator

* Intermediate

* Fix domain tests

* Fix lint

* Fix lint

* Fix lint

* Close files

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
2022-07-28 08:47:13 +01:00

360 lines
9.4 KiB
Go

/*
Copyright 2022 Erigon contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package state
import (
"context"
"encoding/binary"
"fmt"
"testing"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon-lib/kv/mdbx"
"github.com/ledgerwatch/erigon-lib/recsplit"
"github.com/ledgerwatch/erigon-lib/recsplit/eliasfano32"
"github.com/ledgerwatch/log/v3"
"github.com/stretchr/testify/require"
)
func testDbAndInvertedIndex(t *testing.T) (string, kv.RwDB, *InvertedIndex) {
t.Helper()
path := t.TempDir()
logger := log.New()
keysTable := "Keys"
indexTable := "Index"
db := mdbx.NewMDBX(logger).Path(path).WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg {
return kv.TableCfg{
keysTable: kv.TableCfgItem{Flags: kv.DupSort},
indexTable: kv.TableCfgItem{Flags: kv.DupSort},
}
}).MustOpen()
ii, err := NewInvertedIndex(path, 16 /* aggregationStep */, "inv" /* filenameBase */, keysTable, indexTable)
require.NoError(t, err)
return path, db, ii
}
func TestInvIndexCollationBuild(t *testing.T) {
_, db, ii := testDbAndInvertedIndex(t)
defer db.Close()
defer ii.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer tx.Rollback()
ii.SetTx(tx)
ii.SetTxNum(2)
err = ii.Add([]byte("key1"))
require.NoError(t, err)
ii.SetTxNum(3)
err = ii.Add([]byte("key2"))
require.NoError(t, err)
ii.SetTxNum(6)
err = ii.Add([]byte("key1"))
require.NoError(t, err)
err = ii.Add([]byte("key3"))
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
bs, err := ii.collate(0, 7, roTx)
require.NoError(t, err)
require.Equal(t, 3, len(bs))
require.Equal(t, []uint64{3}, bs["key2"].ToArray())
require.Equal(t, []uint64{2, 6}, bs["key1"].ToArray())
require.Equal(t, []uint64{6}, bs["key3"].ToArray())
sf, err := ii.buildFiles(0, bs)
require.NoError(t, err)
defer sf.Close()
g := sf.decomp.MakeGetter()
g.Reset(0)
var words []string
var intArrs [][]uint64
for g.HasNext() {
w, _ := g.Next(nil)
words = append(words, string(w))
w, _ = g.Next(w[:0])
ef, _ := eliasfano32.ReadEliasFano(w)
var ints []uint64
it := ef.Iterator()
for it.HasNext() {
ints = append(ints, it.Next())
}
intArrs = append(intArrs, ints)
}
require.Equal(t, []string{"key1", "key2", "key3"}, words)
require.Equal(t, [][]uint64{{2, 6}, {3}, {6}}, intArrs)
r := recsplit.NewIndexReader(sf.index)
for i := 0; i < len(words); i++ {
offset := r.Lookup([]byte(words[i]))
g.Reset(offset)
w, _ := g.Next(nil)
require.Equal(t, words[i], string(w))
}
}
func TestInvIndexAfterPrune(t *testing.T) {
_, db, ii := testDbAndInvertedIndex(t)
defer db.Close()
defer ii.Close()
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
ii.SetTx(tx)
ii.SetTxNum(2)
err = ii.Add([]byte("key1"))
require.NoError(t, err)
ii.SetTxNum(3)
err = ii.Add([]byte("key2"))
require.NoError(t, err)
ii.SetTxNum(6)
err = ii.Add([]byte("key1"))
require.NoError(t, err)
err = ii.Add([]byte("key3"))
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
bs, err := ii.collate(0, 16, roTx)
require.NoError(t, err)
sf, err := ii.buildFiles(0, bs)
require.NoError(t, err)
defer sf.Close()
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
ii.SetTx(tx)
ii.integrateFiles(sf, 0, 16)
err = ii.prune(0, 16)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
ii.SetTx(tx)
for _, table := range []string{ii.indexKeysTable, ii.indexTable} {
var cur kv.Cursor
cur, err = tx.Cursor(table)
require.NoError(t, err)
defer cur.Close()
var k []byte
k, _, err = cur.First()
require.NoError(t, err)
require.Nil(t, k, table)
}
}
func filledInvIndex(t *testing.T) (string, kv.RwDB, *InvertedIndex, uint64) {
t.Helper()
path, db, ii := testDbAndInvertedIndex(t)
tx, err := db.BeginRw(context.Background())
require.NoError(t, err)
defer func() {
if tx != nil {
tx.Rollback()
}
}()
ii.SetTx(tx)
txs := uint64(1000)
// keys are encodings of numbers 1..31
// each key changes value on every txNum which is multiple of the key
for txNum := uint64(1); txNum <= txs; txNum++ {
ii.SetTxNum(txNum)
for keyNum := uint64(1); keyNum <= uint64(31); keyNum++ {
if txNum%keyNum == 0 {
var k [8]byte
binary.BigEndian.PutUint64(k[:], keyNum)
err = ii.Add(k[:])
require.NoError(t, err)
}
}
if txNum%10 == 0 {
err = tx.Commit()
require.NoError(t, err)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
ii.SetTx(tx)
}
}
err = tx.Commit()
require.NoError(t, err)
return path, db, ii, txs
}
func checkRanges(t *testing.T, db kv.RwDB, ii *InvertedIndex, txs uint64) {
t.Helper()
ic := ii.MakeContext()
// Check the iterator ranges first without roTx
for keyNum := uint64(1); keyNum <= uint64(31); keyNum++ {
var k [8]byte
binary.BigEndian.PutUint64(k[:], keyNum)
it := ic.IterateRange(k[:], 0, 976, nil)
defer it.Close()
for i := keyNum; i < 976; i += keyNum {
label := fmt.Sprintf("keyNum=%d, txNum=%d", keyNum, i)
require.True(t, it.HasNext(), label)
n := it.Next()
require.Equal(t, i, n, label)
}
require.False(t, it.HasNext())
}
// Now check ranges that require access to DB
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
for keyNum := uint64(1); keyNum <= uint64(31); keyNum++ {
var k [8]byte
binary.BigEndian.PutUint64(k[:], keyNum)
it := ic.IterateRange(k[:], 400, 1000, roTx)
defer it.Close()
for i := keyNum * ((400 + keyNum - 1) / keyNum); i < txs; i += keyNum {
label := fmt.Sprintf("keyNum=%d, txNum=%d", keyNum, i)
require.True(t, it.HasNext(), label)
n := it.Next()
require.Equal(t, i, n, label)
}
require.False(t, it.HasNext())
}
}
func mergeInverted(t *testing.T, db kv.RwDB, ii *InvertedIndex, txs uint64) {
t.Helper()
// Leave the last 2 aggregation steps un-collated
var tx kv.RwTx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
// Leave the last 2 aggregation steps un-collated
for step := uint64(0); step < txs/ii.aggregationStep-1; step++ {
func() {
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
defer roTx.Rollback()
bs, err := ii.collate(step*ii.aggregationStep, (step+1)*ii.aggregationStep, roTx)
require.NoError(t, err)
roTx.Rollback()
sf, err := ii.buildFiles(step, bs)
require.NoError(t, err)
ii.integrateFiles(sf, step*ii.aggregationStep, (step+1)*ii.aggregationStep)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
ii.SetTx(tx)
err = ii.prune(step*ii.aggregationStep, (step+1)*ii.aggregationStep)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = nil
var found bool
var startTxNum, endTxNum uint64
maxEndTxNum := ii.endTxNumMinimax()
maxSpan := uint64(16 * 16)
for found, startTxNum, endTxNum = ii.findMergeRange(maxEndTxNum, maxSpan); found; found, startTxNum, endTxNum = ii.findMergeRange(maxEndTxNum, maxSpan) {
outs, _ := ii.staticFilesInRange(startTxNum, endTxNum)
in, err := ii.mergeFiles(outs, startTxNum, endTxNum, maxSpan)
require.NoError(t, err)
ii.integrateMergedFiles(outs, in)
err = ii.deleteFiles(outs)
require.NoError(t, err)
}
}()
}
}
func TestInvIndexRanges(t *testing.T) {
_, db, ii, txs := filledInvIndex(t)
defer db.Close()
defer ii.Close()
var tx kv.RwTx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
// Leave the last 2 aggregation steps un-collated
for step := uint64(0); step < txs/ii.aggregationStep-1; step++ {
func() {
roTx, err := db.BeginRo(context.Background())
require.NoError(t, err)
bs, err := ii.collate(step*ii.aggregationStep, (step+1)*ii.aggregationStep, roTx)
roTx.Rollback()
require.NoError(t, err)
sf, err := ii.buildFiles(step, bs)
require.NoError(t, err)
ii.integrateFiles(sf, step*ii.aggregationStep, (step+1)*ii.aggregationStep)
tx, err = db.BeginRw(context.Background())
require.NoError(t, err)
ii.SetTx(tx)
err = ii.prune(step*ii.aggregationStep, (step+1)*ii.aggregationStep)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
}()
}
checkRanges(t, db, ii, txs)
}
func TestInvIndexMerge(t *testing.T) {
_, db, ii, txs := filledInvIndex(t)
defer db.Close()
defer ii.Close()
mergeInverted(t, db, ii, txs)
checkRanges(t, db, ii, txs)
}
func TestInvIndexScanFiles(t *testing.T) {
path, db, ii, txs := filledInvIndex(t)
defer db.Close()
defer func() {
ii.Close()
}()
ii.Close()
// Recreate InvertedIndex to scan the files
var err error
ii, err = NewInvertedIndex(path, ii.aggregationStep, ii.filenameBase, ii.indexKeysTable, ii.indexTable)
require.NoError(t, err)
mergeInverted(t, db, ii, txs)
checkRanges(t, db, ii, txs)
}