[!INCLUDE sssql22-md] introduced a new feature called degree of parallelism (DOP) feedback to improve query performance by identifying parallelism inefficiencies for repeating queries, based on ...

Determining the degree of parallelism (DOP) for query execution is of great importance to both performance and resource provisioning. However, recent work that applies machine learning (ML) to query ...

Elsewhere in PostgreSQL 14: Query planning and execution have been enhanced. Improved support for query parallelism includes better performance of parallel sequential scans. Queries using nested loop ...

Next major release of the major open source relational database, now in beta, brings performance improvements to query execution and to logical replication. PostgreSQL 16, the next major update of the ...

Abstract: A new set of requirements for query processing has emerged, as Internet and Web-based query systems have become more prevalent. In this emerging data management domain, queries are posed ...

Currently, the querier.max-query-parallelism, defined as "Maximum number of queries will be scheduled in parallel by the frontend.", is per middleware in the frontend. This means that instead of n max ...