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Add Migrations - Capture and Replay release documentation (#4991) 

* Add Migrations - Capture and Replay release documentation

Signed-off-by: Brian Presley <bjpres@amazon.com>

* Apply suggestions from code review

Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Nathan Bower <nbower@amazon.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

---------

Signed-off-by: Brian Presley <bjpres@amazon.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Brian Presley <bjpres@amazon.com>
Co-authored-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Nathan Bower <nbower@amazon.com>
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2
_install-and-configure/index.md
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@ -27,4 +27,6 @@ After you've installed OpenSearch, learn about [configuring]({{site.url}}{{site.
For more information about upgrading your OpenSearch cluster, see the [upgrade guide]({{site.url}}{{site.baseurl}}/install-and-configure/upgrade-opensearch/index/).
For information about upgrade tools, see [OpenSearch upgrade, migration, and comparison tools]({{site.url}}{{site.baseurl}}/tools/index/#opensearch-upgrade-migration-and-comparison-tools).
For plugin installation, see [Installing plugins]({{site.url}}{{site.baseurl}}/install-and-configure/plugins/).

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_tools/index.md
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@ -15,6 +15,7 @@ This section provides documentation for OpenSearch-supported tools, including:
- [Agents and ingestion tools](#agents-and-ingestion-tools)
- [OpenSearch CLI](#opensearch-cli)
- [OpenSearch Kubernetes operator](#opensearch-kubernetes-operator)
- [OpenSearch upgrade, migration, and comparison tools](#opensearch-upgrade-migration-and-comparison-tools)
For information about Data Prepper, the server-side data collector for filtering, enriching, transforming, normalizing, and aggregating data for downstream analytics and visualization, see [Data Prepper]({{site.url}}{{site.baseurl}}/data-prepper/index/).
@ -110,4 +111,16 @@ The OpenSearch CLI command line interface (opensearch-cli) lets you manage your
## OpenSearch Kubernetes operator
The OpenSearch Kubernetes (K8s) Operator is an open-source kubernetes operator that helps automate the deployment and provisioning of OpenSearch and OpenSearch Dashboards in a containerized environment. For information about how to use the K8s operator, see [OpenSearch Kubernetes operator]({{site.url}}{{site.baseurl}}/tools/k8s-operator/)
The OpenSearch Kubernetes Operator is an open-source Kubernetes operator that helps automate the deployment and provisioning of OpenSearch and OpenSearch Dashboards in a containerized environment. For information about how to use the operator, see [OpenSearch Kubernetes Operator]({{site.url}}{{site.baseurl}}/tools/k8s-operator/).
## OpenSearch upgrade, migration, and comparison tools
OpenSearch migration tools facilitate migrations to OpenSearch and upgrades to newer versions of OpenSearch. These can help you can set up a proof-of-concept environment locally using Docker containers or deploy to AWS using a one-click deployment script. This empowers you to fine-tune cluster configurations and manage workloads more effectively before migration.
After setup and deployment of the migration’s tools and test environment, you can perform the following steps to begin migrating your OpenSearch target cluster:
1. Redirect your production traffic from a source cluster to a provisioned OpenSearch target cluster, enabling a comparison of results between the two clusters. All traffic directed to the source cluster is stored for future replay.
2. Meanwhile, traffic to the target cluster is replayed at an identical rate to ensure a direct comparison between the source cluster and the target.
For more information about OpenSearch migration tools, see the documentation in the [OpenSearch Migration GitHub repository](https://github.com/opensearch-project/opensearch-migrations/tree/capture-and-replay-v0.1.0).

2
_upgrade-to/index.md
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@ -21,6 +21,8 @@ Regardless of your approach, to safeguard against data loss, we recommend that y
If your existing clients include a version check, such as recent versions of Logstash OSS and Filebeat OSS, [check compatibility]({{site.url}}{{site.baseurl}}/tools/index/#compatibility-matrices) before upgrading.
For more information about OpenSearch migration tools, see [OpenSearch upgrade, migration, and comparison tools]({{site.url}}{{site.baseurl}}/tools/index/#opensearch-upgrade-migration-and-comparison-tools).
## Upgrading from Open Distro
For steps to upgrade from Open Distro to OpenSearch, refer to the blog post [How To: Upgrade from Open Distro to OpenSearch](https://opensearch.org/blog/technical-posts/2021/07/how-to-upgrade-from-opendistro-to-opensearch/).