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thaJeztah merged 1 commit into from
Apr 18, 2023
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docs: deprecation: OOM-score adjust for the daemon #4209

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21 changes: 21 additions & 0 deletions docs/deprecated.md
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Expand Up @@ -50,6 +50,7 @@ The table below provides an overview of the current status of deprecated feature

| Status | Feature | Deprecated | Remove |
|------------|------------------------------------------------------------------------------------------------------------------------------------|------------|---------|
| Deprecated | [OOM-score adjust for the daemon](#oom-score-adjust-for-the-daemon) | v24.0.0 | v25.0.0 |
| Removed | [Buildkit build information](#buildkit-build-information) | v23.0.0 | v24.0.0 |
| Deprecated | [Legacy builder for Linux images](#legacy-builder-for-linux-images) | v23.0.0 | - |
| Deprecated | [Legacy builder fallback](#legacy-builder-fallback) | v23.0.0 | - |
Expand Down Expand Up @@ -105,6 +106,26 @@ The table below provides an overview of the current status of deprecated feature
| Removed | [`--run` flag on `docker commit`](#--run-flag-on-docker-commit) | v0.10 | v1.13 |
| Removed | [Three arguments form in `docker import`](#three-arguments-form-in-docker-import) | v0.6.7 | v1.12 |

### OOM-score adjust for the daemon

**Deprecated in Release: v24.0.0**
**Target For Removal In Release: v25.0.0**

@dvdksn dvdksn Apr 18, 2023

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**Target For Removal In Release: v25.0.0**
**Subject for Removal in Release: v25.0.0**

@thaJeztah thaJeztah Apr 18, 2023

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I'll keep this one to be the same, but we should indeed touch up this page a bit


The `oom-score-adjust` option was added to prevent the daemon from being
OOM-killed before other processes. This option was mostly added as a
convenience, as running the daemon as a systemd unit was not yet common.

Having the daemon set its own limits is not best-practice, and something
better handled by the process-manager starting the daemon.

Docker v20.10 and newer no longer adjust the daemon's OOM score by default,
instead setting the OOM-score to the systemd unit (OOMScoreAdjust) that's
shipped with the packages.

Users currently depending on this feature are recommended to adjust the
daemon's OOM score using systemd or through other means, when starting
the daemon.

### Buildkit build information

**Deprecated in Release: v23.0.0**
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