Automatic merge from submit-queue
Enable the garbage collector by default
Turning GC on by default.
Memory usage of GC is back to normal after #30943. The CPU usage is a little higher than the cap in scalability test (1.11 core vs. 1 core). This PR adjusted the default GC worker to 20 to see if that helps CPU usage.
@kubernetes/sig-api-machinery @wojtek-t @lavalamp
Automatic merge from submit-queue
Bump heapster version
Bump heapster version to v1.2.0-beta.1.
Migrate metrics tests and HPA to use List objects introduced in the new version.
The admission controller adds a default class to PVCs that do not require any
specific class. This way, users (=PVC authors) do not need to care about
storage classes, administrator can configure a default one and all these PVCs
that do not care about class will get the default one.
Automatic merge from submit-queue
Use --regions instead of --region for gcloud list [resource]
gcloud has started complaining:
```
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
```
We'll probably need to cherry-pick this, as otherwise the list-resources script will start failing at some point in the future.
Automatic merge from submit-queue
Let load and density e2e tests use GC if it's on
I've run the 100 and 500 nodes tests and they both pass.
The test-infra half of the PR is https://github.com/kubernetes/test-infra/pull/369
cc @lavalamp
Automatic merge from submit-queue
Update core etcd references to use 3.0.4
This updates the core references to use 3.0.4.
There are still legacy references in the code base that should be cleaned, or just removed but I'm reluctant to purge.
/cc @kubernetes/sig-scalability
Automatic merge from submit-queue
Add user-specified kubectl arguments to addons start script
This is a simple way, using the same environment variable paradigm used throughout these scripts, to let a user specify kubectl arguments to the addons script.
fixes#30371
Automatic merge from submit-queue
Avoid unnecessary copies on GCI initialization.
The issue I faced was that when starting a cluster I was getting:
```
Aug 12 11:12:46 e2e-test-wojtekt-master configure.sh[1079]: cp: error writing '/home/kubernetes/kubernetes-src.tar.gz': No space left on device
```
This PR reduces amount of space that is needed on startup, as well as this speeds up starting cluster.
@lavalamp @dchen1107
Automatic merge from submit-queue
Add support for kube-up.sh to deploy Calico network policy to GCI masters
Also remove requirement for calicoctl from Debian / salt installed nodes and clean it up a little by deploying calico-node with a manifest rather than calicoctl. This also makes it more reliable by retrying properly.
How to use:
```
make quick-release
NETWORK_POLICY_PROVIDER=calico cluster/kube-up.sh
```
One place where I was uncertain:
- CPU allocations (on the master particularly, where there's very little spare capacity). I took some from etcd, but if there's a better way to decide this, I'm happy to change it.
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