github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-23 19:56:01 +00:00
Code Issues Projects Releases Wiki Activity

Fix timeouts in load test

Browse Source
This commit is contained in:
Wojciech Tyczynski 2016-02-09 08:38:12 +01:00
parent c78f3a68fd
commit 9fce56c165
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
test/e2e/load.go
View File

@ -132,11 +132,17 @@ var _ = Describe("Load capacity", func() {
// We may want to revisit it in the future.
creatingTime := time.Duration(totalPods/5) * time.Second
createAllRC(configs, creatingTime)
By("============================================================================")
// We would like to spread scaling replication controllers over time
// to make it possible to create/schedule & delete them in the meantime.
// Currently we assume that 5 pods/second average throughput.
// The expected number of created/deleted pods is less than totalPods/3.
scalingTime := time.Duration(totalPods/15) * time.Second
scaleAllRC(configs, scalingTime)
By("============================================================================")
scaleAllRC(configs)
By("============================================================================")
scaleAllRC(configs)
scaleAllRC(configs, scalingTime)
By("============================================================================")
// Cleanup all created replication controllers.
@ -211,23 +217,22 @@ func createRC(wg *sync.WaitGroup, config *RCConfig, creatingTime time.Duration)
expectNoError(RunRC(*config), fmt.Sprintf("creating rc %s", config.Name))
}
func scaleAllRC(configs []*RCConfig) {
func scaleAllRC(configs []*RCConfig, scalingTime time.Duration) {
var wg sync.WaitGroup
wg.Add(len(configs))
for _, config := range configs {
go scaleRC(&wg, config)
go scaleRC(&wg, config, scalingTime)
}
wg.Wait()
}
// Scales RC to a random size within [0.5*size, 1.5*size] and lists all the pods afterwards.
// Scaling happens always based on original size, not the current size.
func scaleRC(wg *sync.WaitGroup, config *RCConfig) {
func scaleRC(wg *sync.WaitGroup, config *RCConfig, scalingTime time.Duration) {
defer GinkgoRecover()
defer wg.Done()
resizingTime := 3 * time.Minute
sleepUpTo(resizingTime)
sleepUpTo(scalingTime)
newSize := uint(rand.Intn(config.Replicas) + config.Replicas/2)
expectNoError(ScaleRC(config.Client, config.Namespace, config.Name, newSize, true),
fmt.Sprintf("scaling rc %s for the first time", config.Name))