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deprecate blkio-weight options with cgroups v1 #2908

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Jan 7, 2021
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deprecate blkio-weight options with cgroups v1 #2908

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11 changes: 11 additions & 0 deletions docs/deprecated.md
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Expand Up @@ -52,6 +52,7 @@ Status | Feature
-----------|------------------------------------------------------------------------------------------------------------------------------------|------------|------------
Deprecated | [Pulling images from non-compliant image registries](#pulling-images-from-non-compliant-image-registries) | v20.10 | -
Deprecated | [Linux containers on Windows (LCOW)](#linux-containers-on-windows-lcow-experimental) | v20.10 | -
Deprecated | [BLKIO weight options with cgroups v1](#blkio-weight-options–with-cgroups-v1) | v20.10 | -
Deprecated | [Kernel memory limit](#kernel-memory-limit) | v20.10 | -
Deprecated | [Classic Swarm and overlay networks using external key/value stores](#classic-swarm-and-overlay-networks-using-cluster-store) | v20.10 | -
Deprecated | [Support for the legacy `~/.dockercfg` configuration file for authentication](#support-for-legacy-dockercfg-configuration-files) | v20.10 | -
Expand Down Expand Up @@ -140,6 +141,16 @@ now stopped in favor of running docker natively on Linux in WSL2.
Developers who want to run Linux workloads on a Windows host are encouraged to use
[Docker Desktop with WSL2](https://docs.docker.com/docker-for-windows/wsl/) instead.

### BLKIO weight options with cgroups v1

**Deprecated in Release: v20.10**

Specifying blkio weight (`docker run --blkio-weight` and `docker run --blkio-weight-device`)
is now marked as deprecated when using cgrous v1 because the corresponding features
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little typo: cgrous cgroups

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arf, thx

were [removed in Linux kernel v5.0 and up](https://github.com/torvalds/linux/commit/f382fb0bcef4c37dc049e9f6963e3baf204d815c).
When using cgroups v2, the `--blkio-weight` options are implemented using
[`io.weight](https://github.com/torvalds/linux/blob/v5.0/Documentation/admin-guide/cgroup-v2.rst#io).

### Kernel memory limit

**Deprecated in Release: v20.10**
Expand Down