forked from attic-labs/noms
/
main.go
189 lines (168 loc) · 5.58 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
// Copyright 2016 Attic Labs, Inc. All rights reserved.
// Licensed under the Apache License, version 2.0:
// http://www.apache.org/licenses/LICENSE-2.0
package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"regexp"
"sort"
"time"
"github.com/attic-labs/kingpin"
"github.com/ndau/noms/go/chunks"
"github.com/ndau/noms/go/d"
"github.com/ndau/noms/go/nbs"
"github.com/ndau/noms/go/util/profile"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/dynamodb"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/dustin/go-humanize"
"github.com/stretchr/testify/assert"
)
var (
count = kingpin.Flag("c", "Number of iterations to run").Default("10").Int()
dataSize = kingpin.Flag("data", "MiB of data to test with").Default("4096").Uint64()
mtMiB = kingpin.Flag("mem", "Size in MiB of memTable").Default("64").Uint64()
useNBS = kingpin.Flag("useNBS", "Existing Database to use for not-WriteNovel benchmarks").String()
toNBS = kingpin.Flag("toNBS", "Write to an NBS store in the given directory").String()
useAWS = kingpin.Flag("useAWS", "Name of existing Database to use for not-WriteNovel benchmarks").String()
toAWS = kingpin.Flag("toAWS", "Write to an NBS store in AWS").String()
toFile = kingpin.Flag("toFile", "Write to a file in the given directory").String()
)
const s3Bucket = "attic-nbs"
const dynamoTable = "attic-nbs"
type panickingBencher struct {
n int
}
func (pb panickingBencher) Errorf(format string, args ...interface{}) {
panic(fmt.Sprintf(format, args...))
}
func (pb panickingBencher) N() int {
return pb.n
}
func (pb panickingBencher) ResetTimer() {}
func (pb panickingBencher) StartTimer() {}
func (pb panickingBencher) StopTimer() {}
func main() {
profile.RegisterProfileFlags(kingpin.CommandLine)
kingpin.Parse()
pb := panickingBencher{*count}
src, err := getInput((*dataSize) * humanize.MiByte)
d.PanicIfError(err)
defer src.Close()
bufSize := (*mtMiB) * humanize.MiByte
open := newNullBlockStore
wrote := false
var writeDB func()
var refresh func() chunks.ChunkStore
if *toNBS != "" || *toFile != "" || *toAWS != "" {
var reset func()
if *toNBS != "" {
dir := makeTempDir(*toNBS, pb)
defer os.RemoveAll(dir)
open = func() chunks.ChunkStore { return nbs.NewLocalStore(dir, bufSize) }
reset = func() { os.RemoveAll(dir); os.MkdirAll(dir, 0777) }
} else if *toFile != "" {
dir := makeTempDir(*toFile, pb)
defer os.RemoveAll(dir)
open = func() chunks.ChunkStore {
f, err := ioutil.TempFile(dir, "")
d.Chk.NoError(err)
return newFileBlockStore(f)
}
reset = func() { os.RemoveAll(dir); os.MkdirAll(dir, 0777) }
} else if *toAWS != "" {
sess := session.Must(session.NewSession(aws.NewConfig().WithRegion("us-west-2")))
open = func() chunks.ChunkStore {
return nbs.NewAWSStore(dynamoTable, *toAWS, s3Bucket, s3.New(sess), dynamodb.New(sess), bufSize)
}
reset = func() {
ddb := dynamodb.New(sess)
_, err := ddb.DeleteItem(&dynamodb.DeleteItemInput{
TableName: aws.String(dynamoTable),
Key: map[string]*dynamodb.AttributeValue{
"db": {S: toAWS},
},
})
d.PanicIfError(err)
}
}
writeDB = func() { wrote = ensureNovelWrite(wrote, open, src, pb) }
refresh = func() chunks.ChunkStore {
reset()
return open()
}
} else {
if *useNBS != "" {
open = func() chunks.ChunkStore { return nbs.NewLocalStore(*useNBS, bufSize) }
} else if *useAWS != "" {
sess := session.Must(session.NewSession(aws.NewConfig().WithRegion("us-west-2")))
open = func() chunks.ChunkStore {
return nbs.NewAWSStore(dynamoTable, *useAWS, s3Bucket, s3.New(sess), dynamodb.New(sess), bufSize)
}
}
writeDB = func() {}
refresh = func() chunks.ChunkStore { panic("WriteNovel unsupported with --useLDB and --useNBS") }
}
benchmarks := []struct {
name string
setup func()
run func()
}{
{"WriteNovel", func() {}, func() { wrote = benchmarkNovelWrite(refresh, src, pb) }},
{"WriteDuplicate", writeDB, func() { benchmarkNoRefreshWrite(open, src, pb) }},
{"ReadSequential", writeDB, func() {
benchmarkRead(open, src.GetHashes(), src, pb)
}},
{"ReadHashOrder", writeDB, func() {
ordered := src.GetHashes()
sort.Sort(ordered)
benchmarkRead(open, ordered, src, pb)
}},
{"ReadManySequential", writeDB, func() { benchmarkReadMany(open, src.GetHashes(), src, 1<<8, 6, pb) }},
{"ReadManyHashOrder", writeDB, func() {
ordered := src.GetHashes()
sort.Sort(ordered)
benchmarkReadMany(open, ordered, src, 1<<8, 6, pb)
}},
}
w := 0
for _, bm := range benchmarks {
if len(bm.name) > w {
w = len(bm.name)
}
}
defer profile.MaybeStartProfile().Stop()
for _, bm := range benchmarks {
if matched, _ := regexp.MatchString(flag.Arg(0), bm.name); matched {
trialName := fmt.Sprintf("%dMiB/%sbuffer/%-[3]*s", *dataSize, humanize.IBytes(bufSize), w, bm.name)
bm.setup()
dur := time.Duration(0)
var trials []time.Duration
for i := 0; i < *count; i++ {
d.Chk.NoError(dropCache())
src.PrimeFilesystemCache()
t := time.Now()
bm.run()
trialDur := time.Since(t)
trials = append(trials, trialDur)
dur += trialDur
}
fmt.Printf("%s\t%d\t%ss/iter %v\n", trialName, *count, humanize.FormatFloat("", (dur/time.Duration(*count)).Seconds()), formatTrials(trials))
}
}
}
func makeTempDir(tmpdir string, t assert.TestingT) (dir string) {
dir, err := ioutil.TempDir(tmpdir, "")
assert.NoError(t, err)
return
}
func formatTrials(trials []time.Duration) (formatted []string) {
for _, trial := range trials {
formatted = append(formatted, humanize.FormatFloat("", trial.Seconds()))
}
return
}