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Add OomScoreAdj to configure container oom killer preferences

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libcontainer v0.0.4 introduces setting `/proc/self/oom_score_adj` to
better tune oom killing preferences for container process. This patch
simply integrates OomScoreAdj libcontainer's config option and adjust
the cli with this new option.

Signed-off-by: Antonio Murdaca <amurdaca@redhat.com>
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
Upstream-commit: d3af7f283d8dc0be67be48e14cd740fbeb690f7a
Component: engine
This commit is contained in:
Antonio Murdaca
2015-10-13 11:26:27 +02:00
committed by Antonio Murdaca
parent da19b040bf
commit ddf1fb3149
16 changed files with 94 additions and 7 deletions
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12
components/engine/docs/reference/api/docker_remote_api.md
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@ -107,12 +107,11 @@ This section lists each version from latest to oldest. Each listing includes a
* `POST /volumes/create` to create a volume.
* `GET /volumes/(name)` get low-level information about a volume.
* `DELETE /volumes/(name)`remove a volume with the specified name.
* `VolumeDriver` has been moved from config to hostConfig to make the configuration portable.
* `GET /images/(name)/json` now returns information about tags and digests of the image.
* `VolumeDriver` was moved from `config` to `HostConfig` to make the configuration portable.
* `GET /images/(name)/json` now returns information about an image's `RepoTags` and `RepoDigests`.
* The `config` option now accepts the field `StopSignal`, which specifies the signal to use to kill a container.
* `GET /containers/(id)/stats` will return networking information respectively for each interface.
* The `hostConfig` option now accepts the field `DnsOptions`, which specifies a
list of DNS options to be used in the container.
* The `HostConfig` option now includes the `DnsOptions` field to configure the container's DNS options.
* `POST /build` now optionally takes a serialized map of build-time variables.
* `GET /events` now includes a `timenano` field, in addition to the existing `time` field.
* `GET /events` now supports filtering by image and container labels.
@ -130,6 +129,9 @@ list of DNS options to be used in the container.
`NetworkSettings.Gateway`, `NetworkSettings.IPAddress`,
`NetworkSettings.IPPrefixLen`, and `NetworkSettings.MacAddress` fields, which
are still returned for backward-compatibility, but will be removed in a future version.
* The `HostConfig` option now includes the `OomScoreAdj` field for adjusting the
badness heuristic. This heuristic selects which processes the OOM killer kills
under out-of-memory conditions.
### v1.20 API changes
@ -217,7 +219,7 @@ container. Previously this was only available when starting a container.
[Docker Remote API v1.14](docker_remote_api_v1.14.md) documentation
* `DELETE /containers/(id)` when using `force`, the container will be immediately killed with SIGKILL.
* `POST /containers/(id)/start` the `hostConfig` option accepts the field `CapAdd`, which specifies a list of capabilities
* `POST /containers/(id)/start` the `HostConfig` option accepts the field `CapAdd`, which specifies a list of capabilities
to add, and the field `CapDrop`, which specifies a list of capabilities to drop.
* `POST /images/create` th `fromImage` and `repo` parameters support the
`repo:tag` format. Consequently, the `tag` parameter is now obsolete. Using the