[performance/real-traffic-test] Enable AllowHTTPFullDuplexFeature

[maschmid]

Proposed Changes

WithConfigAnnotations was added to sos when the first activatorInPath was true, so it affected all further svcs, not just the current one.

• fixes TargetBurstCapacityKey annotation to be set only when activatorInPath is true
• enables AllowHTTPFullDuplexFeature to see if it helps with the random EOF errors
• rounds SLA 2, rate calculation to nearest integer

[maschmid]

/test performance-tests

[maschmid]

https://storage.googleapis.com/knative-prow/pr-logs/pull/knative_serving/15654/performance-tests_serving_main/1868717036239065088/artifacts/real-traffic-test.log

2024/12/16 18:18:06 SLA 1 passed. No errors occurred
2024/12/16 18:18:06 SLA 2 passed. vegeta rate is 2000.000000

passed this time, let's try again

/test performance-tests

[skonto]

The only issue I see is:

Status Codes  [code:count]                      
Error Set:
2024/12/16 21:33:38 SLA 3 failed. total requests is 0, expected total requests is 1
job.batch "scale-from-zero-1" deleted
service.serving.knative.dev "perftest-scalefromzero-00-ihnhfssl" deleted

[skonto]

/lgtm
/approve

/hold if you need more tests.

[knative-prow]

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[maschmid]

let's do one more round for the real-traffic-test

/test performance-tests

[maschmid]

I can see in the history the scale-from-zero failing with 404s quite often , https://prow.knative.dev/job-history/gs/knative-prow/logs/performance-tests_serving_main_periodic

anyway, let's merge this one first, as the real-traffic-test is unrelated. I'll take a look at the scale-from-zero 404s later.

/unhold