milvus/internal/rootcoord/meta_snapshot_test.go
jaime b64a467311
Revert "Use unified catalog interface to reconstruct metastore (#17042)" (#17480)
This reverts commit 218326bafe.

Signed-off-by: yun.zhang <yun.zhang@zilliz.com>
2022-06-10 13:10:08 +08:00

460 lines
12 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 rootcoord
import (
"context"
"fmt"
"math/rand"
"path"
"testing"
"time"
"github.com/milvus-io/milvus/internal/util/etcd"
"github.com/milvus-io/milvus/internal/util/typeutil"
"github.com/stretchr/testify/assert"
)
func TestMetaSnapshot(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
var vtso typeutil.Timestamp
ftso := func() typeutil.Timestamp {
return vtso
}
ms, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 4)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 8; i++ {
vtso = typeutil.Timestamp(100 + i)
ts := ftso()
err = ms.Save("abc", fmt.Sprintf("value-%d", i), ts)
assert.Nil(t, err)
assert.Equal(t, vtso, ts)
_, err = etcdCli.Put(context.Background(), "other", fmt.Sprintf("other-%d", i))
assert.Nil(t, err)
}
ms, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 4)
assert.Nil(t, err)
assert.NotNil(t, ms)
}
func TestSearchOnCache(t *testing.T) {
ms := &metaSnapshot{}
for i := 0; i < 8; i++ {
ms.ts2Rev = append(ms.ts2Rev,
rtPair{
rev: int64(i * 2),
ts: typeutil.Timestamp(i * 2),
})
}
rev := ms.searchOnCache(9, 0, 8)
assert.Equal(t, int64(8), rev)
rev = ms.searchOnCache(1, 0, 2)
assert.Equal(t, int64(0), rev)
rev = ms.searchOnCache(1, 0, 8)
assert.Equal(t, int64(0), rev)
rev = ms.searchOnCache(14, 0, 8)
assert.Equal(t, int64(14), rev)
rev = ms.searchOnCache(0, 0, 8)
assert.Equal(t, int64(0), rev)
}
func TestGetRevOnCache(t *testing.T) {
ms := &metaSnapshot{}
ms.ts2Rev = make([]rtPair, 7)
ms.initTs(7, 16)
ms.initTs(6, 14)
ms.initTs(5, 12)
ms.initTs(4, 10)
var rev int64
rev = ms.getRevOnCache(17)
assert.Equal(t, int64(7), rev)
rev = ms.getRevOnCache(9)
assert.Equal(t, int64(0), rev)
rev = ms.getRevOnCache(10)
assert.Equal(t, int64(4), rev)
rev = ms.getRevOnCache(16)
assert.Equal(t, int64(7), rev)
rev = ms.getRevOnCache(15)
assert.Equal(t, int64(6), rev)
rev = ms.getRevOnCache(12)
assert.Equal(t, int64(5), rev)
ms.initTs(3, 8)
ms.initTs(2, 6)
assert.Equal(t, ms.maxPos, 6)
assert.Equal(t, ms.minPos, 1)
rev = ms.getRevOnCache(17)
assert.Equal(t, int64(7), rev)
rev = ms.getRevOnCache(9)
assert.Equal(t, int64(3), rev)
rev = ms.getRevOnCache(10)
assert.Equal(t, int64(4), rev)
rev = ms.getRevOnCache(16)
assert.Equal(t, int64(7), rev)
rev = ms.getRevOnCache(15)
assert.Equal(t, int64(6), rev)
rev = ms.getRevOnCache(12)
assert.Equal(t, int64(5), rev)
rev = ms.getRevOnCache(5)
assert.Equal(t, int64(0), rev)
ms.putTs(8, 18)
assert.Equal(t, ms.maxPos, 0)
assert.Equal(t, ms.minPos, 1)
for rev = 2; rev <= 7; rev++ {
ts := ms.getRevOnCache(typeutil.Timestamp(rev*2 + 3))
assert.Equal(t, rev, ts)
}
ms.putTs(9, 20)
assert.Equal(t, ms.maxPos, 1)
assert.Equal(t, ms.minPos, 2)
assert.Equal(t, ms.numTs, 7)
curMax := ms.maxPos
curMin := ms.minPos
for i := 10; i < 20; i++ {
ms.putTs(int64(i), typeutil.Timestamp(i*2+2))
curMax++
curMin++
if curMax == len(ms.ts2Rev) {
curMax = 0
}
if curMin == len(ms.ts2Rev) {
curMin = 0
}
assert.Equal(t, curMax, ms.maxPos)
assert.Equal(t, curMin, ms.minPos)
}
for i := 13; i < 20; i++ {
rev = ms.getRevOnCache(typeutil.Timestamp(i*2 + 2))
assert.Equal(t, int64(i), rev)
rev = ms.getRevOnCache(typeutil.Timestamp(i*2 + 3))
assert.Equal(t, int64(i), rev)
}
rev = ms.getRevOnCache(27)
assert.Zero(t, rev)
}
func TestGetRevOnEtcd(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
key := path.Join(rootPath, tsKey)
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
ms := metaSnapshot{
cli: etcdCli,
root: rootPath,
tsKey: tsKey,
}
resp, err := etcdCli.Put(ctx, key, "100")
assert.Nil(t, err)
revList := []int64{}
tsList := []typeutil.Timestamp{}
revList = append(revList, resp.Header.Revision)
tsList = append(tsList, 100)
for i := 110; i < 200; i += 10 {
resp, err = etcdCli.Put(ctx, key, fmt.Sprintf("%d", i))
assert.Nil(t, err)
revList = append(revList, resp.Header.Revision)
tsList = append(tsList, typeutil.Timestamp(i))
}
lastRev := revList[len(revList)-1] + 1
for i, ts := range tsList {
rev := ms.getRevOnEtcd(ts, lastRev)
assert.Equal(t, revList[i], rev)
}
for i := 0; i < len(tsList); i++ {
rev := ms.getRevOnEtcd(tsList[i]+5, lastRev)
assert.Equal(t, revList[i], rev)
}
rev := ms.getRevOnEtcd(200, lastRev)
assert.Equal(t, lastRev-1, rev)
rev = ms.getRevOnEtcd(99, lastRev)
assert.Zero(t, rev)
}
func TestLoad(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
var vtso typeutil.Timestamp
ftso := func() typeutil.Timestamp {
return vtso
}
ms, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 7)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
vtso = typeutil.Timestamp(100 + i*5)
ts := ftso()
err = ms.Save("key", fmt.Sprintf("value-%d", i), ts)
assert.Nil(t, err)
assert.Equal(t, vtso, ts)
}
for i := 0; i < 20; i++ {
val, err := ms.Load("key", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, val, fmt.Sprintf("value-%d", i))
}
val, err := ms.Load("key", 0)
assert.Nil(t, err)
assert.Equal(t, "value-19", val)
ms, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 11)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
val, err := ms.Load("key", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, val, fmt.Sprintf("value-%d", i))
}
}
func TestMultiSave(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
var vtso typeutil.Timestamp
ftso := func() typeutil.Timestamp {
return vtso
}
ms, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 7)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
saves := map[string]string{"k1": fmt.Sprintf("v1-%d", i), "k2": fmt.Sprintf("v2-%d", i)}
vtso = typeutil.Timestamp(100 + i*5)
ts := ftso()
err = ms.MultiSave(saves, ts)
assert.Nil(t, err)
assert.Equal(t, vtso, ts)
}
for i := 0; i < 20; i++ {
keys, vals, err := ms.LoadWithPrefix("k", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, len(keys), len(vals))
assert.Equal(t, len(keys), 2)
assert.Equal(t, keys[0], "k1")
assert.Equal(t, keys[1], "k2")
assert.Equal(t, vals[0], fmt.Sprintf("v1-%d", i))
assert.Equal(t, vals[1], fmt.Sprintf("v2-%d", i))
}
keys, vals, err := ms.LoadWithPrefix("k", 0)
assert.Nil(t, err)
assert.Equal(t, len(keys), len(vals))
assert.Equal(t, len(keys), 2)
assert.Equal(t, keys[0], "k1")
assert.Equal(t, keys[1], "k2")
assert.Equal(t, vals[0], "v1-19")
assert.Equal(t, vals[1], "v2-19")
ms, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 11)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
keys, vals, err := ms.LoadWithPrefix("k", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, len(keys), len(vals))
assert.Equal(t, len(keys), 2)
assert.Equal(t, keys[0], "k1")
assert.Equal(t, keys[1], "k2")
assert.Equal(t, vals[0], fmt.Sprintf("v1-%d", i))
assert.Equal(t, vals[1], fmt.Sprintf("v2-%d", i))
}
}
func TestMultiSaveAndRemoveWithPrefix(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
var vtso typeutil.Timestamp
ftso := func() typeutil.Timestamp {
return vtso
}
defer etcdCli.Close()
ms, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 7)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
vtso = typeutil.Timestamp(100 + i*5)
ts := ftso()
err = ms.Save(fmt.Sprintf("kd-%04d", i), fmt.Sprintf("value-%d", i), ts)
assert.Nil(t, err)
assert.Equal(t, vtso, ts)
}
for i := 20; i < 40; i++ {
sm := map[string]string{"ks": fmt.Sprintf("value-%d", i)}
dm := []string{fmt.Sprintf("kd-%04d", i-20)}
vtso = typeutil.Timestamp(100 + i*5)
ts := ftso()
err = ms.MultiSaveAndRemoveWithPrefix(sm, dm, ts)
assert.Nil(t, err)
assert.Equal(t, vtso, ts)
}
for i := 0; i < 20; i++ {
val, err := ms.Load(fmt.Sprintf("kd-%04d", i), typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, fmt.Sprintf("value-%d", i), val)
_, vals, err := ms.LoadWithPrefix("kd-", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, i+1, len(vals))
}
for i := 20; i < 40; i++ {
val, err := ms.Load("ks", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, fmt.Sprintf("value-%d", i), val)
_, vals, err := ms.LoadWithPrefix("kd-", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, 39-i, len(vals))
}
ms, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 11)
assert.Nil(t, err)
assert.NotNil(t, ms)
for i := 0; i < 20; i++ {
val, err := ms.Load(fmt.Sprintf("kd-%04d", i), typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, fmt.Sprintf("value-%d", i), val)
_, vals, err := ms.LoadWithPrefix("kd-", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, i+1, len(vals))
}
for i := 20; i < 40; i++ {
val, err := ms.Load("ks", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, fmt.Sprintf("value-%d", i), val)
_, vals, err := ms.LoadWithPrefix("kd-", typeutil.Timestamp(100+i*5+2))
assert.Nil(t, err)
assert.Equal(t, 39-i, len(vals))
}
}
func TestTsBackward(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
kv, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 1024)
assert.Nil(t, err)
err = kv.loadTs()
assert.Nil(t, err)
kv.Save("a", "b", 100)
kv.Save("a", "c", 99) // backward
kv.Save("a", "d", 200)
kv, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 1024)
assert.Error(t, err)
}
func TestFix7150(t *testing.T) {
rand.Seed(time.Now().UnixNano())
randVal := rand.Int()
Params.Init()
rootPath := fmt.Sprintf("/test/meta/%d", randVal)
tsKey := "timestamp"
etcdCli, err := etcd.GetEtcdClient(&Params.EtcdCfg)
assert.Nil(t, err)
defer etcdCli.Close()
kv, err := newMetaSnapshot(etcdCli, rootPath, tsKey, 1024)
assert.Nil(t, err)
err = kv.loadTs()
assert.Nil(t, err)
kv.Save("a", "b", 100)
kv.Save("a", "c", 0) // bug introduced
kv.Save("a", "d", 200)
kv, err = newMetaSnapshot(etcdCli, rootPath, tsKey, 1024)
assert.Nil(t, err)
err = kv.loadTs()
assert.Nil(t, err)
}