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https://issues.apache.org/jira/browse/COUCHDB-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Bastian resolved COUCHDB-2937.
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Resolution: Fixed
> _changes queries using last_seq after a shard move may rewind from zero
> -----------------------------------------------------------------------
>
> Key: COUCHDB-2937
> URL: https://issues.apache.org/jira/browse/COUCHDB-2937
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Reporter: Benjamin Bastian
> Assignee: Benjamin Bastian
>
> Currently, the last_seq of a _changes query doesn't contain the epoch node of
> the shard. If the shard has been moved, _changes queries using the last_seq
> of a prior _changes query will route shard queries to the incorrect node and
> therefore rewind from zero.
> last_seq should include the epoch node so subsequent
> _changes?since=<last_seq> queries don't rewind from zero.
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