Cleaned up build farm build database

Jelmer Vernooij jelmer at
Sat Aug 2 13:39:50 MDT 2014

On Sat, Jun 14, 2014 at 10:26:53PM +0200, Jelmer Vernooij wrote:
> The way the build farm is written, we currently iterate over all of
> the builds in known history every time we build the buildfarm summary
> page.
> As there are at this point 150k builds in the database (!), this has
> become quite slow, as every user of the build farm is aware of :).
> I've removed all builds from before 1 April 2014 (about 138494), which
> has significantly sped things up.
> A copy of the old database is still available, if we ever want to load
> this historical data in again. It could be quite amusing to do
> analysis on this dataset (has our build failure rate gone
> down over the last couple of years? what percentage of builds is
> broken?)
> We have a Summer of Code student (Krishna Teja) working on the build
> farm this summer. Hopefully he will be able to remove
> this O(n * large_constant) restriction from the buildfarm.
Krishna's changes have now landed, and I've reimported our old

Please let Krishna and myself know if you hit any issues with the new



Jelmer Vernooij <jelmer at> -
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