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https://issues.apache.org/jira/browse/IOTDB-534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tian Jiang closed IOTDB-534.
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Resolution: Abandoned
> [Distributed] Query coordinating
> --------------------------------
>
> Key: IOTDB-534
> URL: https://issues.apache.org/jira/browse/IOTDB-534
> Project: Apache IoTDB
> Issue Type: Improvement
> Reporter: Tian Jiang
> Priority: Major
> Labels: coordination, distributed, load-balancing, query
>
> When using multiple replicas, it is vital for the query performance that the
> queries are properly coordinated, i.e., for each query, find the best
> replicas to execute it so that the overall workload is balanced and the
> caches (if exist) are utilized maximumly.
> To establish an effective query coordination mechanism, one must decide what
> status of a node is relevant to the query performance, as its CPU usage, disk
> usage, memory usage, network usage and so on. And build a model based on the
> collected information to determine which node is the best for a query.
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