open-consul/.changelog/10129.txt
Paul Banks d47eea3a3f
Make Raft trailing logs and snapshot timing reloadable (#10129)
* WIP reloadable raft config

* Pre-define new raft gauges

* Update go-metrics to change gauge reset behaviour

* Update raft to pull in new metric and reloadable config

* Add snapshot persistance timing and installSnapshot to our 'protected' list as they can be infrequent but are important

* Update telemetry docs

* Update config and telemetry docs

* Add note to oldestLogAge on when it is visible

* Add changelog entry

* Update website/content/docs/agent/options.mdx

Co-authored-by: Matt Keeler <mkeeler@users.noreply.github.com>

Co-authored-by: Matt Keeler <mkeeler@users.noreply.github.com>
2021-05-04 15:36:53 +01:00

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```release-note:improvement
raft: allow reloading of raft trailing logs and snapshot timing to allow recovery from some [replication failure modes](https://github.com/hashicorp/consul/issues/9609).
telemetry: add metrics and documentation for [monitoring for replication issues](https://consul.io/docs/agent/telemetry#raft-replication-capacity-issues).
```