So far as I can tell, there are three patches in flight here:
* replication slot IO lwlocks
* ability of extensions to request tranches dynamically
* PGPROC
The first one hasn't been reviewed at all, but the other two have seen a
bit of discussion and evolution. Is anyone doing any more reviewing?
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Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services