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https://issues.apache.org/jira/browse/CASSSIDECAR-274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18017111#comment-18017111
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Andrés Beck-Ruiz commented on CASSSIDECAR-274:
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Published CEP-53: Cassandra Rolling Restarts via Sidecar
([https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-53%3A+Cassandra+Rolling+Restarts+via+Sidecar)]
> Enable rolling restarts of Cassandra clusters via Sidecar
> ---------------------------------------------------------
>
> Key: CASSSIDECAR-274
> URL: https://issues.apache.org/jira/browse/CASSSIDECAR-274
> Project: Sidecar for Apache Cassandra
> Issue Type: Improvement
> Reporter: Isaac Reath
> Priority: Major
> Attachments: Screenshot 2025-08-13 at 12.34.43 PM.png
>
>
> Rolling restarts are frequently used in Cassandra to apply changes to a
> cluster such as configuration changes, or version upgrades. In
> CASSSIDECAR-266, we are adding functionality to safely start and stop a
> single Cassandra node via Sidecar. This ticket will build on that work to
> implement a coordinated rolling restart.
> The scope of this effort includes:
> * Adding API endpoints to enable operators to start, monitor, pause and stop
> a rolling restart.
> * Updating Sidecar to orchestrate start and stop operations across the
> cluster, allowing for a configurable amount of nodes to be offline
> simultaneously.
> * Creating safeguards to ensure that a rolling restart is safe to perform
> and does not interfere with other operations ongoing in the cluster such as
> node bootstraps or decommissions.
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