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docs: compare old and new drain methods

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Michael Schurter
2018-04-12 15:54:21 -07:00
parent 06a5dd9087
commit 9c446185de
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website/source/docs/upgrade/upgrade-specific.html.md
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@@ -69,6 +69,12 @@ service jobs with a `count > 1` the default migrate stanza will be used:
}
```
The old drain behavior made it impossible to drain multiple nodes at once
without risking service outages and lots of churn as draining allocations could
be placed on nodes that are about to be drained. Nomad 0.8's drain behavior is
intended to fix these issues and offer both job authors and cluster operators
more control over drains.
See the [`migrate` stanza documentation][migrate] and [Decommissioning Nodes
guide](/guides/node-draining.html) for details.