Make benchmark dir variable
Make benchmark dir variable

tempbottle/HyperLevelDB,yonglehou/HyperLevelDB,yonglehou/HyperLevelDB,rescrv/HyperLevelDB,tempbottle/HyperLevelDB,dyu-deploy/HyperLevelDB,influxdb/HyperLevelDB,influxdb/HyperLevelDB,norton/HyperLevelDB,dyu-deploy/HyperLevelDB,rescrv/HyperLevelDB,norton/HyperLevelDB