qa: Run fewer RGW jobs at higher priority every week

So that they actually run.

Signed-off-by: Adam C. Emerson <[email protected]>

Author: adamemerson

qa/crontab/teuthology-cronjobs

@@ -68,7 +68,8 @@ TEUTHOLOGY_SUITE_ARGS="--non-interactive --newest=100 --ceph-repo=https://git.ce
 16 20 * * 2        $CW $SS    128 --ceph main --suite        rbd -p 950
 24 20 1 * *        $CW $SS    512 --ceph main --suite         fs -p 700
 32 20 * * 4        $CW $SS      4 --ceph main --suite powercycle -p 950
-40 20 * * 5        $CW $SS      1 --ceph main --suite        rgw -p 950
+# RGW is easy to get to under 50 runs, use a higher priority so we have recent baselines
+40 20 * * 5        $CW $SS      1 --ceph main --suite        rgw -p 150 --subset "$(($RANDOM % 30000))/30000"
 48 20 * * 6        $CW $SS      4 --ceph main --suite       krbd -p 950 --kernel testing
 56 20 * * 2,6      $CW $SS      1 --ceph main --suite crimson-rados -p 101 --force-priority --flavor crimson-debug
 04 21 * * 2,6      $CW $SS      1 --ceph main --suite crimson-rados -p 101 --force-priority --flavor crimson-release