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feat: add SpeedTest ResponseTimes and TTFB (#15479)

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Capture average, p50, p99, p999 response times
and ttfb values. These are needed for latency
measurements and overall understanding of our
speedtest results.
This commit is contained in:
Harshavardhana
2022-08-05 09:40:03 -07:00
committed by GitHub
parent 1beea3daba
commit 8f7c739328
2 changed files with 74 additions and 8 deletions
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14
cmd/speedtest.go
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@@ -94,6 +94,9 @@ func objectSpeedTest(ctx context.Context, opts speedTestOpts) chan madmin.SpeedT
result.GETStats.ObjectsPerSec = throughputHighestGet / uint64(opts.objectSize) / uint64(durationSecs)
result.PUTStats.ThroughputPerSec = throughputHighestPut / uint64(durationSecs)
result.PUTStats.ObjectsPerSec = throughputHighestPut / uint64(opts.objectSize) / uint64(durationSecs)
var totalUploadTimes madmin.TimeDurations
var totalDownloadTimes madmin.TimeDurations
var totalDownloadTTFB madmin.TimeDurations
for i := 0; i < len(throughputHighestResults); i++ {
errStr := ""
if throughputHighestResults[i].Error != "" {
@@ -116,14 +119,23 @@ func objectSpeedTest(ctx context.Context, opts speedTestOpts) chan madmin.SpeedT
ObjectsPerSec: throughputHighestResults[i].Uploads / uint64(opts.objectSize) / uint64(durationSecs),
Err: errStr,
})
result.GETStats.Servers = append(result.GETStats.Servers, madmin.SpeedTestStatServer{
Endpoint: throughputHighestResults[i].Endpoint,
ThroughputPerSec: throughputHighestResults[i].Downloads / uint64(durationSecs),
ObjectsPerSec: throughputHighestResults[i].Downloads / uint64(opts.objectSize) / uint64(durationSecs),
Err: errStr,
})
totalUploadTimes = append(totalUploadTimes, throughputHighestResults[i].UploadTimes...)
totalDownloadTimes = append(totalDownloadTimes, throughputHighestResults[i].DownloadTimes...)
totalDownloadTTFB = append(totalDownloadTTFB, throughputHighestResults[i].DownloadTTFB...)
}
result.PUTStats.Response = totalUploadTimes.Measure()
result.GETStats.Response = totalDownloadTimes.Measure()
result.GETStats.TTFB = totalDownloadTTFB.Measure()
result.Size = opts.objectSize
result.Disks = globalEndpoints.NEndpoints()
result.Servers = len(globalNotificationSys.peerClients) + 1
@@ -185,6 +197,8 @@ func objectSpeedTest(ctx context.Context, opts speedTestOpts) chan madmin.SpeedT
break
}
// We break if we did not see 2.5% growth rate in total GET
// requests, we have reached our peak at this point.
doBreak := float64(totalGet-throughputHighestGet)/float64(totalGet) < 0.025
throughputHighestGet = totalGet