Hi,

I recently noticed the following in the work_mem [1] documentation:

“Note that for a complex query, several sort or hash operations might be 
running in parallel;”

The use of “parallel” here is misleading as this has nothing to do with 
parallel query, but
rather several operations in a plan running simultaneously.

The use of parallel in this doc predates parallel query support, which explains 
the usage.

I suggest a small doc fix:

“Note that for a complex query, several sort or hash operations might be 
running simultaneously;”

This should also be backpatched to all supported versions docs.

Thoughts?

Regards,

Sami Imseih
Amazon Web Services (AWS)

1. https://www.postgresql.org/docs/current/runtime-config-resource.html




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