On Tue, May 16, 2017 at 2:17 AM, Michael Paquier
<michael.paqu...@gmail.com> wrote:
> Perhaps DSM? It is not user-friendly to fail sporadically...

Yeah.  I've been thinking we might want to give each backend a
backend-lifetime DSA that is created on first use.  That could be
useful for some parallel query stuff and maybe for this as well.
Other backends could attach to it to read data from it, and it would
go away on last detach (which would normally be the detach by the
creating backend, but not if somebody else happens to be reading at
the moment the backend exits).

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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