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add changes from #7121

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Jeff Escalante 2020-02-11 15:39:03 -05:00
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website/pages/guides/upgrade/upgrade-specific.mdx
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@ -15,6 +15,22 @@ details provided for their upgrades as a result of new features or changed
behavior. This page is used to document those details separately from the
standard upgrade flow.
## Nomad 0.10.4
### Same-Node Scheduling Penalty Removed
Nomad 0.10.4 includes a fix to the scheduler that removes the
same-node penalty for allocations that have not previously failed. In
earlier versions of Nomad, the node where an allocation was running
was penalized from receiving updated versions of that allocation,
resulting in a higher chance of the allocation being placed on a new
node. This was changed so that the penalty only applies to nodes where
the previous allocation has failed or been rescheduled, to reduce the
risk of correlated failures on a host. Scheduling weighs a number of
factors, but this change should reduce movement of allocations that
are being updated from a healthy state. You can view the placement
metrics for an allocation with `nomad alloc status -verbose`.
## Nomad 0.10.3
### mTLS Certificate Validation