cmd/swarm/swarm-smoke: sliding window test v2

This commit is contained in:
Elad Nachmias 2019-01-24 13:38:45 +07:00
parent 54f8ac6433
commit 7530bdaf56

View file

@ -20,8 +20,6 @@ import (
"bytes"
"fmt"
"math/rand"
"sync"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/log"
@ -53,13 +51,16 @@ func slidingWindow(c *cli.Context) error {
generateEndpoints(scheme, cluster, appName, from, to)
storeSize = storeSize * 4096 //store size is in chunks - transform to bytes
hashes := []uploadResult{} //swarm hashes of the uploads
filesize := storeSize / 7 //each file to upload, bytes
nodes := to - from
networkCapacity := float64(storeSize) * float64(nodes)
const iterationTimeout = 30 * time.Second
log.Info("sliding window test started", "store size(kb)", int(storeSize/1000), "nodes", nodes, "filesize(kb)", int(filesize/1000), "network capacity(kb)", int(networkCapacity/1000), "timeout", timeout)
uploadedBytes := 0
for uploadedBytes = 0; uploadedBytes <= int(networkCapacity); uploadedBytes += filesize {
networkDepth := 0
errored := false
outer:
for {
seed := int(time.Now().UnixNano() / 1e6)
log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
@ -79,103 +80,33 @@ func slidingWindow(c *cli.Context) error {
return err
}
log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash), "sleeping", syncDelay)
hashes = append(hashes, uploadResult{hash: hash, digest: fhash})
}
log.Info("done uploading files", "len(hashes)", len(hashes), "sleep for", syncDelay)
time.Sleep(time.Duration(syncDelay) * time.Second)
uploadedBytes += filesize
networkDepth := 0
var errored int32 = 0
timedOut := false
LOOP:
for i := len(hashes) - 1; i >= 0; i-- {
wg := sync.WaitGroup{}
done := time.After(iterationTimeout)
if single {
for i, v := range hashes {
rand.Seed(time.Now().UTC().UnixNano())
randIndex := 1 + rand.Intn(len(endpoints)-1)
ruid := uuid.New()[:8]
wg.Add(1)
go func(endpoint string, ruid string) {
// points to address:
// need to measure min/max/mean for the results when not in single mode (not all nodes would necessarily give the same result, though they should)
defer wg.Done()
inner:
for {
select {
case <-done:
metrics.GetOrRegisterCounter("sliding-window.single.timeout", nil).Inc(1)
atomic.AddInt32(&errored, 1)
break inner
default:
}
start := time.Now()
err := fetch(hashes[i].hash, endpoint, hashes[i].digest, ruid)
err := fetch(v.hash, endpoints[randIndex], v.digest, ruid)
fetchTime := time.Since(start)
if err != nil {
continue
errored = true
log.Error("error retrieving hash", "hash idx", i, "err", err)
metrics.GetOrRegisterCounter("sliding-window.single.error", nil).Inc(1)
networkDepth = i
break outer
}
metrics.GetOrRegisterMeter("sliding-window.single.fetch-time", nil).Mark(int64(fetchTime))
return
}
}(endpoints[randIndex], ruid)
} else {
for _, endpoint := range endpoints {
ruid := uuid.New()[:8]
wg.Add(1)
go func(endpoint string, ruid string) {
defer wg.Done()
inner:
for {
select {
case <-done:
metrics.GetOrRegisterCounter("sliding-window.multi.timeout", nil).Inc(1)
atomic.AddInt32(&errored, 1)
break inner
default:
}
start := time.Now()
err := fetch(hashes[i].hash, endpoint, hashes[i].digest, ruid)
fetchTime := time.Since(start)
if err != nil {
continue
}
metrics.GetOrRegisterMeter("sliding-window.each.fetch-time", nil).Mark(int64(fetchTime))
return
}
}(endpoint, ruid)
}
}
wg.Wait()
networkDepth = len(hashes) - i
if errored > 0 {
break LOOP
}
select {
case <-done:
timedOut = true
break LOOP
default:
}
}
log.Info("sliding window test finished", "timed out?", timedOut, "errored?", errored > 0, "networkDepth", networkDepth, "networkDepth(kb)", int(networkDepth*filesize/1000))
log.Info("sliding window test finished", "errored?", errored, "networkDepth", networkDepth, "networkDepth(kb)", int(networkDepth*filesize/1000))
log.Info("stats", "uploadedFiles", len(hashes), "uploadedKb", uploadedBytes/1000, "filesizeKb", filesize/1000, "networkCapacityKb", int(networkCapacity/1000), "networkCapacityMb", int(networkCapacity/1000000))
metrics.GetOrRegisterMeter("sliding-window.network-depth", nil).Mark(int64(networkDepth))
metrics.GetOrRegisterMeter("sliding-window.uploaded-bytes", nil).Mark(int64(uploadedBytes))
return nil
}