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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" "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) { wg *sync.WaitGroup, result chan string) {
defer wg.Done() defer wg.Done()
threadresult := make(chan []time.Duration, params.threadsCount) 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) name := "bench_" + strconv.Itoa(suffix)
if osddevice.ID == GetObjActingPrimary(cephconn, *params, name) { if osddevice.ID == GetObjActingPrimary(cephconn, *params, name) {
objectnames = append(objectnames, 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++ { 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 i := int64(0); i < params.threadsCount; i++ {
for _, lat := range <-threadresult { for _, lat := range <-threadresult {
@ -43,19 +46,19 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
latencygrade := map[int64]int{} latencygrade := map[int64]int{}
latencytotal := int64(0) latencytotal := int64(0)
for _, lat := range osdlatencies { for _, lat := range osdlatencies {
micro := lat.Nanoseconds()/1000 micro := lat.Nanoseconds() / 1000
rounded := micro rounded := micro
switch { switch {
case micro < 1000: // 0-1ms round to 0.1ms 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 case micro < 10000: // 2-10ms round to 1ms
rounded = (micro/1000)*1000 rounded = (micro / 1000) * 1000
case micro < 100000: // 10-100ms round to 10ms case micro < 100000: // 10-100ms round to 10ms
rounded = (micro/10000)*10000 rounded = (micro / 10000) * 10000
case micro < 1000000: // 100-1000ms round to 100ms case micro < 1000000: // 100-1000ms round to 100ms
rounded = (micro/100000)*100000 rounded = (micro / 100000) * 100000
default: // 1000+ms round to 1s default: // 1000+ms round to 1s
rounded = (micro/1000000)*1000000 rounded = (micro / 1000000) * 1000000
} }
latencytotal += micro latencytotal += micro
latencygrade[rounded]++ 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 = 1s / latency
iops := 1000000 / latencytotal iops := 1000000 / latencytotal
// avg speed = iops * block size / 1 MB // avg speed = iops * block size / 1 MB
@ -123,7 +126,7 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
case k < 2000: case k < 2000:
mseconds = yellow(fmt.Sprintf("[%.1f-%.1f)", float64(k)/1000, 0.1+float64(k)/1000)) mseconds = yellow(fmt.Sprintf("[%.1f-%.1f)", float64(k)/1000, 0.1+float64(k)/1000))
case k < 10000: 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: case k < 100000:
mseconds = red(fmt.Sprintf("[%3v-%3v)", k/1000, 10+k/1000)) mseconds = red(fmt.Sprintf("[%3v-%3v)", k/1000, 10+k/1000))
case k < 1000000: case k < 1000000:
@ -141,7 +144,7 @@ func bench(cephconn *Cephconnection, osddevice Device, buffs *[][]byte, bs int64
result <- buffer.String() 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) { result chan []time.Duration, objnames []string) {
starttime := time.Now() starttime := time.Now()
@ -149,7 +152,7 @@ func bench_thread(cephconn *Cephconnection, osddevice Device, buffs [][]byte, bs
endtime := starttime.Add(params.duration) endtime := starttime.Add(params.duration)
n := 0 n := 0
for { for {
offset := rand.Int63n(objsize/bs) * bs offset := rand.Int63n(params.objectsize/params.blocksize) * params.blocksize
objname := objnames[rand.Int31n(int32(len(objnames)))] objname := objnames[rand.Int31n(int32(len(objnames)))]
startwritetime := time.Now() startwritetime := time.Now()
if startwritetime.After(endtime) { 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)) err := cephconn.ioctx.Write(objname, buffs[n], uint64(offset))
endwritetime := time.Now() endwritetime := time.Now()
if err != nil { 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 continue
} }
latencies = append(latencies, endwritetime.Sub(startwritetime)) latencies = append(latencies, endwritetime.Sub(startwritetime))
@ -183,6 +186,8 @@ func main() {
for i := int64(0); i < 2*params.threadsCount; i++ { for i := int64(0); i < 2*params.threadsCount; i++ {
buffs = append(buffs, make([]byte, params.blocksize)) buffs = append(buffs, make([]byte, params.blocksize))
} }
startbuff := make([]byte, params.objectsize)
rand.Read(startbuff)
for num := range buffs { for num := range buffs {
_, err := rand.Read(buffs[num]) _, err := rand.Read(buffs[num])
if err != nil { if err != nil {
@ -196,9 +201,9 @@ func main() {
for _, osd := range osddevices { for _, osd := range osddevices {
wg.Add(1) wg.Add(1)
if params.parallel == true { 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 { } else {
bench(cephconn, osd, &buffs, params.blocksize, params.objectsize, &params, &wg, results) bench(cephconn, osd, &buffs, &startbuff, &params, &wg, results)
log.Println(<-results) log.Println(<-results)
} }