)

type PollFd struct {
	Fd      int32
	Events  int16
	Revents int16
}

const (
	POLLERR    = 0x8
	POLLHUP    = 0x10
	POLLIN     = 0x1
	POLLNVAL   = 0x20
	POLLOUT    = 0x4
	POLLPRI    = 0x2
	POLLRDBAND = 0x80
	POLLRDNORM = 0x40
	POLLWRBAND = 0x100
	POLLWRNORM = 0x4
)

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte

![strategy diagram][strategies]

The channel and phased strategies can be combined into a comprehensive (though somewhat complicated) model where each channel contains phases, which determine the order of rollouts within the channel.

## Playbook: Minor Version Upgrade

COMING SOON

## Playbook: Major Version Upgrade

COMING SOON

## Tips and Tricks

)

type PollFd struct {
	Fd      int32
	Events  int16
	Revents int16
}

const (
	POLLERR    = 0x8
	POLLHUP    = 0x10
	POLLIN     = 0x1
	POLLNVAL   = 0x20
	POLLOUT    = 0x4
	POLLPRI    = 0x2
	POLLRDBAND = 0x80
	POLLRDNORM = 0x40
	POLLWRBAND = 0x100
	POLLWRNORM = 0x4
)

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte

        PrintStream oldOut = System.out;
        System.setOut(new PrintStream(systemOut));

        // when
        try {
            cli.cli(cliRequest);
        } catch (MavenCli.ExitException exitException) {
            // expected
        } finally {
            // restore sysout
            System.setOut(oldOut);
        }

	XferStats map[RMetricName]XferStats `json:"transferSummary"`
}

// SRMetricsSummary captures summary of replication counts across buckets on site
// along with op metrics rollup.
type SRMetricsSummary struct {
	// op metrics roll up
	ActiveWorkers ActiveWorkerStat `json:"activeWorkers"`

	// Total Replica size in bytes
	ReplicaSize int64 `json:"replicaSize"`

* kubelet exports metrics for cgroup management ([#41988](https://github.com/kubernetes/kubernetes/pull/41988), [@sjenning](https://github.com/sjenning))
* kubectl: respect deployment strategy parameters for rollout status ([#41809](https://github.com/kubernetes/kubernetes/pull/41809), [@kargakis](https://github.com/kargakis))

- Fixes spurious 0 revisions listed when running `kubectl rollout history` for a StatefulSet ([#82643](https://github.com/kubernetes/kubernetes/pull/82643), [@ZP-AlwaysWin](https://github.com/ZP-AlwaysWin))

- Support server-side dry-run in kubectl with --dry-run=server for commands including apply, patch, create, run, annotate, label, set, autoscale, drain, rollout undo, and expose. ([#87714](https://github.com/kubernetes/kubernetes/pull/87714), [@julianvmodesto](https://github.com/julianvmodesto)) [SIG API Machinery, CLI and Testing]

* kubeadm: Implement a `--dry-run` mode and flag for `kubeadm` ([#51122](https://github.com/kubernetes/kubernetes/pull/51122), [@luxas](https://github.com/luxas))
* kubectl rollout `history`, `status`, and `undo` subcommands now support StatefulSets. ([#49674](https://github.com/kubernetes/kubernetes/pull/49674), [@crimsonfaith91](https://github.com/crimsonfaith91))

* Fixes ability for admin/edit/view users to see controller revisions, needed for kubectl rollout commands ([#70699](https://github.com/kubernetes/kubernetes/pull/70699), [@liggitt](https://github.com/liggitt))