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add example on how to trigger manual restart to docs #354

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Oct 26, 2021
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add example on how to trigger manual restart to docs #354

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add example on how to trigger manual restart to docs
nosvalds Oct 26, 2021
9a6688a
Changing the indentation of example.
HoustonPutman Oct 26, 2021
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17 changes: 17 additions & 0 deletions docs/solr-cloud/managed-updates.md
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Expand Up @@ -72,3 +72,20 @@ This maximum is calculated by taking the given, or default, [`maxPodsUnavailable
- Some replicas in the shard may already be in a non-active state, or may reside on Solr Nodes that are not "live".
The `maxShardReplicasUnavailable` calculation will take these replicas into account, as a starting point.
- If a pod contains non-active replicas, and the pod is chosen to be updated, then the pods that are already non-active will not be double counted for the `maxShardReplicasUnavailable` calculation.

## Triggering a Manual Rolling Restart

Given these complex requirements, `kubectl rollout restart statefulset` will generally not work on a SolrCloud.

One option to trigger a manual restart is to change one of the podOptions annotations. For example you could set this to the date and time of the manual restart.


```yaml
apiVersion: solr.apache.org/v1beta1
kind: SolrCloud
spec:
customSolrKubeOptions:
podOptions:
annotations:
manualrestart: "2021-10-20T08:37:00Z"
```