validation_pool: reduce the throttling backoff lookback threshold
If we start failing a lot of runs in a row, the exponential backoff of
CLs picked up gets so agressive as to make the CQ basically useless.
Reduce the history lookback so that this is less aggressive.
Commit-Queue: Aviv Keshet <firstname.lastname@example.org>
Tested-by: Aviv Keshet <email@example.com>
Trybot-Ready: Aviv Keshet <firstname.lastname@example.org>
Reviewed-by: Ningning Xia <email@example.com>
1 file changed