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Merge pull request #4194 from cpuguy83/remove_subreaper_config

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This config no longer exists, so remove from docs.
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Derek McGowan 2020-04-18 11:13:58 -07:00 committed by GitHub
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1
docs/getting-started.md
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@ -19,7 +19,6 @@ The daemon also uses a configuration file located in `/etc/containerd/config.tom
A sample configuration file looks like this:
```toml
subreaper = true
oom_score = -999
[debug]

5
docs/ops.md
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@ -82,9 +82,6 @@ There are a few settings that are important for ops.
The first setting is the `oom_score`. Because containerd will be managing multiple containers, we need to ensure that containers are killed before the containerd daemon in an out of memory condition.
We also do not want to make containerd unkillable, but we want to lower its score to the level of other system daemons.
The `subreaper` setting is also important on linux systems.
This allows containerd to reap any re-parented processes from the shims or containers.
containerd also exports its own metrics as well as container level metrics via the prometheus metrics format.
Currently, prometheus only supports TCP endpoints, therefore, the metrics address should be a TCP address that your prometheus infrastructure can scrape metrics from.
@ -161,8 +158,6 @@ External apps reading or watching changes in these directories have been known t
root = "/var/lib/containerd"
# runtime state information
state = "/run/containerd"
# set containerd as a subreaper on linux when it is not running as PID 1
subreaper = true
# set containerd's OOM score
oom_score = -999