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interop client: provide new flag, --soak_min_time_ms_between_rpcs (#5421)

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apolcyn
2022-06-24 11:34:16 -07:00
committed by GitHub
parent 4b750055a5
commit c075d2011c
2 changed files with 6 additions and 3 deletions
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5
interop/client/client.go
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@ -68,6 +68,7 @@ var (
soakMaxFailures = flag.Int("soak_max_failures", 0, "The number of iterations in soak tests that are allowed to fail (either due to non-OK status code or exceeding the per-iteration max acceptable latency).")
soakPerIterationMaxAcceptableLatencyMs = flag.Int("soak_per_iteration_max_acceptable_latency_ms", 1000, "The number of milliseconds a single iteration in the two soak tests (rpc_soak and channel_soak) should take.")
soakOverallTimeoutSeconds = flag.Int("soak_overall_timeout_seconds", 10, "The overall number of seconds after which a soak test should stop and fail, if the desired number of iterations have not yet completed.")
soakMinTimeMsBetweenRPCs = flag.Int("soak_min_time_ms_between_rpcs", 0, "The minimum time in milliseconds between consecutive RPCs in a soak test (rpc_soak or channel_soak), useful for limiting QPS")
tlsServerName = flag.String("server_host_override", "", "The server name used to verify the hostname returned by TLS handshake if it is not empty. Otherwise, --server_host is used.")
testCase = flag.String("test_case", "large_unary",
`Configure different test cases. Valid options are:
@ -301,10 +302,10 @@ func main() {
interop.DoPickFirstUnary(tc)
logger.Infoln("PickFirstUnary done")
case "rpc_soak":
interop.DoSoakTest(tc, serverAddr, opts, false /* resetChannel */, *soakIterations, *soakMaxFailures, time.Duration(*soakPerIterationMaxAcceptableLatencyMs)*time.Millisecond, time.Now().Add(time.Duration(*soakOverallTimeoutSeconds)*time.Second))
interop.DoSoakTest(tc, serverAddr, opts, false /* resetChannel */, *soakIterations, *soakMaxFailures, time.Duration(*soakPerIterationMaxAcceptableLatencyMs)*time.Millisecond, time.Duration(*soakMinTimeMsBetweenRPCs)*time.Millisecond, time.Now().Add(time.Duration(*soakOverallTimeoutSeconds)*time.Second))
logger.Infoln("RpcSoak done")
case "channel_soak":
interop.DoSoakTest(tc, serverAddr, opts, true /* resetChannel */, *soakIterations, *soakMaxFailures, time.Duration(*soakPerIterationMaxAcceptableLatencyMs)*time.Millisecond, time.Now().Add(time.Duration(*soakOverallTimeoutSeconds)*time.Second))
interop.DoSoakTest(tc, serverAddr, opts, true /* resetChannel */, *soakIterations, *soakMaxFailures, time.Duration(*soakPerIterationMaxAcceptableLatencyMs)*time.Millisecond, time.Duration(*soakMinTimeMsBetweenRPCs)*time.Millisecond, time.Now().Add(time.Duration(*soakOverallTimeoutSeconds)*time.Second))
logger.Infoln("ChannelSoak done")
default:
logger.Fatal("Unsupported test case: ", *testCase)

4
interop/test_utils.go
View File

@ -716,7 +716,7 @@ func doOneSoakIteration(ctx context.Context, tc testgrpc.TestServiceClient, rese
// DoSoakTest runs large unary RPCs in a loop for a configurable number of times, with configurable failure thresholds.
// If resetChannel is false, then each RPC will be performed on tc. Otherwise, each RPC will be performed on a new
// stub that is created with the provided server address and dial options.
func DoSoakTest(tc testgrpc.TestServiceClient, serverAddr string, dopts []grpc.DialOption, resetChannel bool, soakIterations int, maxFailures int, perIterationMaxAcceptableLatency time.Duration, overallDeadline time.Time) {
func DoSoakTest(tc testgrpc.TestServiceClient, serverAddr string, dopts []grpc.DialOption, resetChannel bool, soakIterations int, maxFailures int, perIterationMaxAcceptableLatency time.Duration, minTimeBetweenRPCs time.Duration, overallDeadline time.Time) {
start := time.Now()
ctx, cancel := context.WithDeadline(context.Background(), overallDeadline)
defer cancel()
@ -733,6 +733,7 @@ func DoSoakTest(tc testgrpc.TestServiceClient, serverAddr string, dopts []grpc.D
if time.Now().After(overallDeadline) {
break
}
earliestNextStart := time.After(minTimeBetweenRPCs)
iterationsDone++
var p peer.Peer
latency, err := doOneSoakIteration(ctx, tc, resetChannel, serverAddr, dopts, []grpc.CallOption{grpc.Peer(&p)})
@ -749,6 +750,7 @@ func DoSoakTest(tc testgrpc.TestServiceClient, serverAddr string, dopts []grpc.D
continue
}
fmt.Fprintf(os.Stderr, "soak iteration: %d elapsed_ms: %d peer: %s succeeded\n", i, latencyMs, p.Addr.String())
<-earliestNextStart
}
var b bytes.Buffer
h.Print(&b)