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https://issues.apache.org/jira/browse/IOTDB-604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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WangChao reassigned IOTDB-604:
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Assignee: WangChao
> [Distributed] More robust cluster readers
> -----------------------------------------
>
> Key: IOTDB-604
> URL: https://issues.apache.org/jira/browse/IOTDB-604
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Core/Cluster
> Reporter: Tian Jiang
> Assignee: WangChao
> Priority: Major
> Labels: cluster, pull-request-available, query, robustness
>
> The current cluster readers only read data from a fixed node so if the
> targeted node fails, the query is errored and must be retried.
> To improve the robustness of queries, the cluster readers should know the
> data group to query instead of a single node and it should also remember its
> current position so that after switching to another node, it will not read
> duplicated data.
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