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https://issues.apache.org/jira/browse/IGNITE-27258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18047415#comment-18047415
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Roman Puchkovskiy commented on IGNITE-27258:
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The patch looks good to me
> Wait for all nodes in MULTI_NODE disaster recovery requests
> ------------------------------------------------------------
>
> Key: IGNITE-27258
> URL: https://issues.apache.org/jira/browse/IGNITE-27258
> Project: Ignite
> Issue Type: Improvement
> Reporter: Filipp Shergalis
> Assignee: Filipp Shergalis
> Priority: Major
> Labels: ignite-3
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Disaster recovery MULTI_NODE requests finish when coordinator node finished
> processing. We don't wait for other nodes, also we won't even know if other
> nodes failed to process the request
>
> *What was done:* Every node writes a local request processing state to
> metastorage (IN_PROGRESS / text of exception / COMPLETED). Coordinator's node
> has a prefix watch for each operation that is notified of these changes and
> finishes disaster recovery request processing future only when all nodes
> report completion or any node fails / leaves the cluster.
> Timeout was introduced to fail processing future if any of the nodes didn't
> start processing request in time. It is hardcoded to 10 seconds
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