Tian Jiang created IOTDB-534:
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Summary: [Distributed] Query coordinating
Key: IOTDB-534
URL: https://issues.apache.org/jira/browse/IOTDB-534
Project: Apache IoTDB
Issue Type: Improvement
Reporter: Tian Jiang
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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