执行tiup bench tpcc --warehouses 4 --parts 4 prepare测试时出现以下情况。

Got signal [interrupt] to exit. execute prepare failed, err context canceled panic: context canceled

goroutine 22 [running]: github.com/pingcap/go-tpc/pkg/workload.NewTpcState(0x9c2880, 0xc0000e8660, 0xc0001620c0, 0x0) /go/pkg/mod/github.com/pingcap/go-tpc@v1.0.4-0.20200511044254-883c1a10d555/pkg/workload/base.go:28 +0x301 github.com/pingcap/go-tpc/tpcc.(*Workloader).InitThread(0xc00014e050, 0x9c2880, 0xc0000e8660, 0x0, 0xc0000e8660, 0x9c7120) /go/pkg/mod/github.com/pingcap/go-tpc@v1.0.4-0.20200511044254-883c1a10d555/tpcc/workload.go:113 +0x5d main.checkPrepare.func1(0xc000154160, 0x9c7120, 0xc00014e050, 0xc0000ee1b0, 0x0) /home/jenkins/agent/workspace/bench-tiup-mirror-update/components/bench/misc.go:26 +0xa9 created by main.checkPrepare /home/jenkins/agent/workspace/bench-tiup-mirror-update/components/bench/misc.go:23 +0x119 Component bench exit with error: exit status 2

能否麻烦试一下把 4 改为 1 看下是否报错,多谢。