On 15 January 2012 07:26, Peter Geoghegan <peter(at)2ndquadrant(dot)com> wrote:
> Build Postgres master, on Linux or another platform that will use the
> poll() implementation rather than the older select(). Send the
> Postmaster SIGKILL. Observe that the WAL Writer lives on, representing
> a denial of service as it stays attached to shared memory, busy
> waiting (evident from the fact that it quickly leaks memory).
Correction: The CPU usage % approaches 100.
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services