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https://issues.apache.org/jira/browse/IOTDB-600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hai Liu reassigned IOTDB-600:
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Assignee: Minghui Liu
> Tracing query cost
> ------------------
>
> Key: IOTDB-600
> URL: https://issues.apache.org/jira/browse/IOTDB-600
> Project: Apache IoTDB
> Issue Type: Sub-task
> Components: Core/Engine
> Reporter: Jialin Qiao
> Assignee: Minghui Liu
> Priority: Major
>
> Tracing the cost of a query is helpful to optimize IoTDB.
> To profile a query, we want to know how many TsFileMetadata,
> TimeseriesMetadata, ChunkMetadata, Chunk are involved in a query.
> Also, we want to know the average size of Chunks (The average number of
> points in chunk).
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