Taras Ledkov created IGNITE-14940: ------------------------------------- Summary: Investigation parallel index scan Key: IGNITE-14940 URL: https://issues.apache.org/jira/browse/IGNITE-14940 Project: Ignite Issue Type: Improvement Components: sql Reporter: Taras Ledkov Fix For: 3.0.0-alpha3
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. -- This message was sent by Atlassian Jira (v8.3.4#803005)