On 10/14/2013 09:12 AM, Robert Haas wrote:
On Fri, Oct 11, 2013 at 4:03 PM, Andrew Dunstan <and...@dunslane.net> wrote:
Can the owners of these buildfarm machines please check whether there
are extra semaphores allocated and if so free them?  Or at least
reboot, to see if that unbreaks the build?
It is possible to set the buildfarm config

     build_env=> {MAX_CONNECTIONS => 10 },

and the tests will run with that constraint.

Not sure if this would help.
Maybe I didn't explain that well.  The problem is that the regression
tests require at least 20 connections to run, and those two machines
are currently auto-selecting 10 connections, so make check is failing.

Why do they need 20 connections? pg_regress has code in it to limit the degree of parallelism of tests, and has done for years, specifically to cater for buildfarm machines that are unable to handle the defaults. Using this option in the buildfarm client config triggers use of this feature.



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