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  1. Ignite
  2. IGNITE-14940

Investigation parallel index scan

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • None
    • None
    • sql
    • None

    Description

      Motivation: 2.x version implements queryParallelism by creation index segments. Each segment contains subset of partitions. This approach has several shortcomings:

      • index scans parallelism cannot be changed / scaled on runtime.
      • we have always scan all segments (looks like virtual MapNode for query);
      • many index storages for one logical index.

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        is part of

        New Feature - A new feature of the product, which has yet to be developed. IGNITE-14925 Sorted indexes engine

        • Major - Major loss of function.
        • Resolved

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            Unassigned Unassigned
            tledkov-gridgain Taras Ledkov
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