On 21.04.23 16:28, Imseih (AWS), Sami wrote:
> 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;”
Here is a discussion of these terms:
https://takuti.me/note/parallel-vs-concurrent/
I think "concurrently" is the correct word here.