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ceph-gobench
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Clean up. Pre write objects. Go fmt

master
Alexey Kostin 2019-02-27 21:12:08 +03:00
parent 4cac3d310f
commit 8a10c8a255
1 changed files with 20 additions and 15 deletions
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35
ceph-gobench.go
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@ -13,7 +13,7 @@ import (
"time"
)
func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64, objsize int64, params *Params,
func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, startbuf *[]byte, params *Params,
wg *sync.WaitGroup, result chan string) {
defer wg.Done()
threadresult := make(chan []time.Duration, params.threadsCount)
@ -29,10 +29,13 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
name := "bench_" + strconv.Itoa(suffix)
if osddevice.ID == GetObjActingPrimary(cephconn, *params, name) {
objectnames = append(objectnames, name)
if err := cephconn.ioctx.WriteFull(name, *startbuf); err != nil {
log.Printf("Can't write object: %v, osd: %v", name, osddevice.Name)
}
}
}
for i := 0; i < int(params.threadsCount); i++ {
go bench_thread(cephconn, osddevice, (*buffs)[i*2:i*2+2], bs, objsize, params, threadresult, objectnames[i*16:i*16+16])
go BenchThread(cephconn, osddevice, (*buffs)[i*2:i*2+2], params, threadresult, objectnames[i*16:i*16+16])
}
for i := int64(0); i < params.threadsCount; i++ {
for _, lat := range <-threadresult {
@ -43,19 +46,19 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
latencygrade := map[int64]int{}
latencytotal := int64(0)
for _, lat := range osdlatencies {
micro := lat.Nanoseconds()/1000
micro := lat.Nanoseconds() / 1000
rounded := micro
switch {
case micro < 1000: // 0-1ms round to 0.1ms
rounded = (micro/100)*100
rounded = (micro / 100) * 100
case micro < 10000: // 2-10ms round to 1ms
rounded = (micro/1000)*1000
rounded = (micro / 1000) * 1000
case micro < 100000: // 10-100ms round to 10ms
rounded = (micro/10000)*10000
rounded = (micro / 10000) * 10000
case micro < 1000000: // 100-1000ms round to 100ms
rounded = (micro/100000)*100000
rounded = (micro / 100000) * 100000
default: // 1000+ms round to 1s
rounded = (micro/1000000)*1000000
rounded = (micro / 1000000) * 1000000
}
latencytotal += micro
latencygrade[rounded]++
@ -91,7 +94,7 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
}
}
latencytotal = latencytotal/int64(len(osdlatencies))
latencytotal = latencytotal / int64(len(osdlatencies))
// iops = 1s / latency
iops := 1000000 / latencytotal
// avg speed = iops * block size / 1 MB
@ -123,7 +126,7 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
case k < 2000:
mseconds = yellow(fmt.Sprintf("[%.1f-%.1f)", float64(k)/1000, 0.1+float64(k)/1000))
case k < 10000:
mseconds = yellow(fmt.Sprintf("[%3v-%3v)", k/1000, 1+k/1000))
mseconds = yellow(fmt.Sprintf("[%.1f-%.1f)", float64(k/1000), float64(1+k/1000)))
case k < 100000:
mseconds = red(fmt.Sprintf("[%3v-%3v)", k/1000, 10+k/1000))
case k < 1000000:
@ -141,7 +144,7 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
result <- buffer.String()
}
func bench_thread(cephconn *Cephconnection, osddevice Device, buffs [][]byte, bs int64, objsize int64, params *Params,
func BenchThread(cephconn *Cephconnection, osddevice Device, buffs [][]byte, params *Params,
result chan []time.Duration, objnames []string) {
starttime := time.Now()
@ -149,7 +152,7 @@ func bench_thread(cephconn *Cephconnection, osddevice Device, buffs [][]byte, bs
endtime := starttime.Add(params.duration)
n := 0
for {
offset := rand.Int63n(objsize/bs) * bs
offset := rand.Int63n(params.objectsize/params.blocksize) * params.blocksize
objname := objnames[rand.Int31n(int32(len(objnames)))]
startwritetime := time.Now()
if startwritetime.After(endtime) {
@ -158,7 +161,7 @@ func bench_thread(cephconn *Cephconnection, osddevice Device, buffs [][]byte, bs
err := cephconn.ioctx.Write(objname, buffs[n], uint64(offset))
endwritetime := time.Now()
if err != nil {
log.Printf("Can't write obj: %v, osd: %v", objname, osddevice.Name)
log.Printf("Can't write object: %v, osd: %v", objname, osddevice.Name)
continue
}
latencies = append(latencies, endwritetime.Sub(startwritetime))
@ -183,6 +186,8 @@ func main() {
for i := int64(0); i < 2*params.threadsCount; i++ {
buffs = append(buffs, make([]byte, params.blocksize))
}
startbuff := make([]byte, params.objectsize)
rand.Read(startbuff)
for num := range buffs {
_, err := rand.Read(buffs[num])
if err != nil {
@ -196,9 +201,9 @@ func main() {
for _, osd := range osddevices {
wg.Add(1)
if params.parallel == true {
go bench(cephconn, osd, &buffs, params.blocksize, params.objectsize, &params, &wg, results)
go bench(cephconn, osd, &buffs, &startbuff, &params, &wg, results)
} else {
bench(cephconn, osd, &buffs, params.blocksize, params.objectsize, &params, &wg, results)
bench(cephconn, osd, &buffs, &startbuff, &params, &wg, results)
log.Println(<-results)
}