OOM controller helps mitigate out-of-memory by monitoring PSI, selecting
and killing cgroups to free up memory when RAM is near full.
Add config document and tests.
Signed-off-by: Dmitrii Sharshakov <dmitry.sharshakov@siderolabs.com>
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
Zswap allows to compress pages in memory before they hit the actual swap
device.
Both swap and zswap (or either one of these) can be enabled.
Fixes#10675
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
The new command `talosctl cgroups` fetches cgroups snapshot from the
machine, parses it fully, enhances with additional information (e.g.
resolves pod names), and presents a customizable view of cgroups
configuration (e.g. limits) and current consumption.
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
