Hash_Build_HashingOuter
Short Description
A process is waiting for other parallel hash participants to finish partitioning the outer relation.
Additional Information​
Seen in parallel hash execution plans waiting for the background worker processes to partition the outer (driven) table.
How to reduce this wait​
No information is available here. Have you seen this wait? Let us know.
Additional Links​
PostgreSQL documentation - Parallel Query
PostgreSQL documentation - The Statistics Collector
EDB - Parallel Hash Joins in PostgreSQL Explained
Search online​
If this article doesn't have the information you need you can try searching online. Remember, you can contribute suggestions to this page.