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x/tools: freebsd-amd64-race builder is failing consistently #36444
The linux-amd64-race builder is currently configured with 15 GB RAM (via the n1-standard-4 machine type). CL 213557 has recently increased the RAM for windows-amd64-race builder to 14.4 GB in order to work around 7.2 GB not being sufficient, as described at #35186 (comment).
If there aren't objections, I plan to bump its up RAM to be more similar in size (without exceeding the current value of 15 GB RAM used both by Linux and now Windows -race builders) to see it helps with the test failures and issues like #34621.
Start using n1-highcpu-8 machine type instead of n1-highcpu-4 for the freebsd-amd64-race builder. The freebsd-amd64-race builder has produced good test results for the x/tools repo for a long time, but by now it has started to consistently fail for reasons that seem connected to it having only 3.6 GB memory. The Windows race builders needed to be bumped from 7.2 GB to 14.4 GB to run successfully, so this change makes a small incremental step to bring freebsd-amd64-race closer in line with other builders. If memory-related problems continue to occur with 7.2 GB, the next step will be to go up to 14.4 GB. The freebsd-amd64-race builder is using an older version of FreeBSD. We may want to start using a newer one for running tests with -race, but that should be a separate change so we can see the results of this change without another confounding variable. Also update all FreeBSD builders to use https in buildletURLTmpl, because it's expected to work fine and will be more consistent. Updates golang/go#36444 Updates golang/go#34621 Updates golang/go#29252 Updates golang/go#33986 Change-Id: Idfcefd1c91bddc9f70ab23e02fcdca54fda9d1ac Reviewed-on: https://go-review.googlesource.com/c/build/+/214433 Run-TryBot: Carlos Amedee <email@example.com> TryBot-Result: Gobot Gobot <firstname.lastname@example.org> Reviewed-by: Carlos Amedee <email@example.com>
The freebsd-amd64-race builder no longer failing consistently on x/tools. However, there are still occasional failures. Need to see if they are connected to limited memory, and if so, consider going up to 15 GB on the FreeBSD race builder to match the memory of Linux and Windows race builders.
Edit: Many of the failures are due to data races being detected. Filed issue #36605.