# Don't forget to check out a clean suitable branch and experiment with the
# stress invocation until the desired results present themselves. For example,
# using stress instead of stressrace and passing the '-p' stressflag which
# controls concurrency.
./scripts/gceworker.sh start && ./scripts/gceworker.sh mosh
cd ~/go/src/github.com/cockroachdb/cockroach && \
stdbuf -oL -eL \
make stressrace TESTS=scaledata/filesystem_simulator/nodes=6 PKG=roachtest TESTTIMEOUT=5m STRESSFLAGS='-maxtime 20m -timeout 10m' 2>&1 | tee /tmp/stress.log

The test failed on branch=provisional_201908060405_v19.1.4, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/20190812-1436116/scaledata/filesystem_simulator/nodes=6/run_1
	cluster.go:2099,scaledata.go:121,scaledata.go:48,test_runner.go:691: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod run teamcity-1565651234-44-n7cpu4:7 -- ./filesystem_simulator  --duration_secs=600 --num_workers=16 --cockroach_ip_addresses_csv='10.128.0.121:26257,10.128.0.116:26257,10.128.0.120:26257,10.128.0.115:26257,10.128.0.117:26257,10.128.0.118:26257'  returned:
		stderr:
		09:09:54 RobustDB.RandomDB chose DB at index 4
		2019/08/13 09:09:54 ExecuteTx retry attempt 1 failed, started at 2019-08-13 09:09:54.618583318 +0000 UTC m=+332.747019663, now = 2019-08-13 09:09:54.659717208 +0000 UTC m=+332.788153603, took 41.13394ms
		2019/08/13 09:09:54 Attempt failed with error driver: bad connection: ... Retrying after sleeping 5ns
		2019/08/13 09:09:54 ExecuteTx retry attempt 1 failed, started at 2019-08-13 09:09:51.160817373 +0000 UTC m=+329.289253739, now = 2019-08-13 09:09:54.65977589 +0000 UTC m=+332.788212254, took 3.498958515s
		2019/08/13 09:09:54 Attempt failed with error driver: bad connection: ... Retrying after sleeping 5ns
		2019/08/13 09:09:54 ExecuteTx retry attempt 1 failed, started at 2019-08-13 09:09:54.505491201 +0000 UTC m=+332.633927547, now = 2019-08-13 09:09:54.659874671 +0000 UTC m=+332.788311083, took 154.383536ms
		2019/08/13 09:09:54 Attempt failed with error driver: bad connection: ... Retrying after sleeping 5ns
		2019/08/13 09:09:54 unexpected EOF
		Error:  exit status 255
		
		stdout:
		: exit status 1