On Thu, Apr 12, 2018 at 4:04 AM, Andres Freund <and...@anarazel.de> wrote:
> This is an open item for v11:
>      Tidy up es_query_dsa and possibly ParallelWorkerContext?
>         Original commit: e13029a5ce353574516c64fd1ec9c50201e705fd (principal 
> author: Thomas Munro; owner: Robert Haas)
>         Bug fix: fd7c0fa732d97a4b4ebb58730e6244ea30d0a618
>         While the bug was fixed with something back-patchable, we should 
> considering improving this situation. As discussed in the above-linked 
> thread, options might include (1) getting rid of es_query_dsa entirely and 
> injecting dependencies into nodes, (2) making all Gather nodes share the same 
> DSM segment so there truly could be per-query DSA segment.
> Do we want to make any changes here for v11? If not, are we ok with just
> closing the entry and waiting till it bugs anybody for some reason?

I think we should probably do both of the things listed above, but
given where we are and given that it's refactoring work and not a
stop-ship issue, I propose to do that in the v12 cycle.  I'll go
remove that from the open items if no one objects soon.

Thomas Munro

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