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Posted to notifications@iotdb.apache.org by "Chao Wang (Jira)" <ji...@apache.org> on 2021/03/06 10:07:00 UTC

[jira] [Commented] (IOTDB-1117) [Distributed] Batched creation and fetch of RemoteSeriesReader

    [ https://issues.apache.org/jira/browse/IOTDB-1117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17296498#comment-17296498 ] 

Chao Wang commented on IOTDB-1117:
----------------------------------

I want to do it.. 

> [Distributed] Batched creation and fetch of RemoteSeriesReader
> --------------------------------------------------------------
>
>                 Key: IOTDB-1117
>                 URL: https://issues.apache.org/jira/browse/IOTDB-1117
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: Cluster
>            Reporter: Tian Jiang
>            Priority: Major
>              Labels: cluster, query
>
> Each creation and fetch of a RemoteSeriesReader requires one RPC and when there are many series involved in a query, the RPC overhead may increase significantly and slow down the whole query. 
> So it is reasonable to group RemoteSeriesReaders by the DataGroup they belong to, and send RPCs to create or fetch them in a batched manner.



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