Re: Reducing the cycle time for CLOBBER_CACHE_ALWAYS buildfarm members

Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 6/20/21 6:10 PM, Tom Lane wrote:
>> (3) Since this only works in v14 and up, older branches would
>> have to fall back to -DCLOBBER_CACHE_ALWAYS. Perhaps we could
>> improve the buildfarm client script so that buildfarm owners
>> just configure "clobber_cache_testing => 1" and then the script
>> would do the right branch-dependent thing.

> Maybe. Let's see what you come up with.

Here's a couple of draft-quality patches --- one for initdb, one
for the buildfarm --- to implement this idea. These are just
lightly tested; in particular I've not had the patience to run
full BF cycles to see how much is actually saved.

regards, tom lane