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  1. Apache IoTDB
  2. IOTDB-1117

[Distributed] Batched creation and fetch of RemoteSeriesReader

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      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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          New Feature - A new feature of the product, which has yet to be developed. IOTDB-68 IoTDB supports distributed version

          • Major - Major loss of function.
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          Web Link GitHub Pull Request #2875

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              wangchao316 Chao Wang
              jt2594838 Tian Jiang
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