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Merge pull request #96874 from MikeSpreitzer/flaky/apnf-e2e-drown-test

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Tweak up flaking end-to-end tests of API Priority and Fairness
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Kubernetes Prow Robot 2020-12-04 14:37:25 -08:00 committed by GitHub
commit e1c617a88e
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1 changed files with 7 additions and 7 deletions
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14
test/e2e/apimachinery/flowcontrol.go
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@ -100,8 +100,8 @@ var _ = SIGDescribe("API priority and fairness", func() {
// In contrast, "lowqps" stays under its concurrency shares. // In contrast, "lowqps" stays under its concurrency shares.
// Additionally, the "highqps" client also has a higher matching // Additionally, the "highqps" client also has a higher matching
// precedence for its flow schema. // precedence for its flow schema.
{username: highQPSClientName, qps: 100.0, concurrencyMultiplier: 2.0, matchingPrecedence: 999, expectedCompletedPercentage: 0.75}, {username: highQPSClientName, qps: 90, concurrencyMultiplier: 2.0, matchingPrecedence: 999, expectedCompletedPercentage: 0.90},
{username: lowQPSClientName, qps: 5.0, concurrencyMultiplier: 0.5, matchingPrecedence: 1000, expectedCompletedPercentage: 0.75}, {username: lowQPSClientName, qps: 4, concurrencyMultiplier: 0.5, matchingPrecedence: 1000, expectedCompletedPercentage: 0.90},
} }
ginkgo.By("creating test priority levels and flow schemas") ginkgo.By("creating test priority levels and flow schemas")
@ -124,7 +124,7 @@ var _ = SIGDescribe("API priority and fairness", func() {
if clients[i].concurrency < 1 { if clients[i].concurrency < 1 {
clients[i].concurrency = 1 clients[i].concurrency = 1
} }
framework.Logf("request concurrency for %q will be %d (concurrency share = %d)", clients[i].username, clients[i].concurrency, realConcurrency) framework.Logf("request concurrency for %q will be %d (that is %d times client multiplier)", clients[i].username, clients[i].concurrency, realConcurrency)
} }
ginkgo.By(fmt.Sprintf("starting uniform QPS load for %s", loadDuration.String())) ginkgo.By(fmt.Sprintf("starting uniform QPS load for %s", loadDuration.String()))
@ -142,7 +142,7 @@ var _ = SIGDescribe("API priority and fairness", func() {
ginkgo.By("checking completed requests with expected values") ginkgo.By("checking completed requests with expected values")
for _, client := range clients { for _, client := range clients {
// Each client should have 95% of its ideal number of completed requests. // Each client should have 95% of its ideal number of completed requests.
maxCompletedRequests := float64(client.concurrency) * client.qps * float64(loadDuration/time.Second) maxCompletedRequests := float64(client.concurrency) * client.qps * loadDuration.Seconds()
fractionCompleted := float64(client.completedRequests) / maxCompletedRequests fractionCompleted := float64(client.completedRequests) / maxCompletedRequests
framework.Logf("client %q completed %d/%d requests (%.1f%%)", client.username, client.completedRequests, int32(maxCompletedRequests), 100*fractionCompleted) framework.Logf("client %q completed %d/%d requests (%.1f%%)", client.username, client.completedRequests, int32(maxCompletedRequests), 100*fractionCompleted)
if fractionCompleted < client.expectedCompletedPercentage { if fractionCompleted < client.expectedCompletedPercentage {
@ -183,8 +183,8 @@ var _ = SIGDescribe("API priority and fairness", func() {
expectedCompletedPercentage float64 //lint:ignore U1000 field is actually used expectedCompletedPercentage float64 //lint:ignore U1000 field is actually used
} }
clients := []client{ clients := []client{
{username: highQPSClientName, qps: 100.0, concurrencyMultiplier: 2.0, expectedCompletedPercentage: 0.75}, {username: highQPSClientName, qps: 90, concurrencyMultiplier: 2.0, expectedCompletedPercentage: 0.90},
{username: lowQPSClientName, qps: 5.0, concurrencyMultiplier: 0.5, expectedCompletedPercentage: 0.90}, {username: lowQPSClientName, qps: 4, concurrencyMultiplier: 0.5, expectedCompletedPercentage: 0.90},
} }
framework.Logf("getting real concurrency") framework.Logf("getting real concurrency")
@ -358,7 +358,7 @@ func testResponseHeaderMatches(f *framework.Framework, impersonatingUser, plUID,
func uniformQPSLoadSingle(f *framework.Framework, username string, qps float64, loadDuration time.Duration) int32 { func uniformQPSLoadSingle(f *framework.Framework, username string, qps float64, loadDuration time.Duration) int32 {
var completed int32 var completed int32
var wg sync.WaitGroup var wg sync.WaitGroup
ticker := time.NewTicker(time.Duration(1e9/qps) * time.Nanosecond) ticker := time.NewTicker(time.Duration(float64(time.Second) / qps))
defer ticker.Stop() defer ticker.Stop()
timer := time.NewTimer(loadDuration) timer := time.NewTimer(loadDuration)
for { for {