| 46 | } |
| 47 | |
| 48 | std::string GetValueFromEnv(const std::string& env_name) { |
| 49 | if (env_name.empty()) { |
| 50 | return ""; |
| 51 | } |
| 52 | |
| 53 | const char* env = getenv(env_name.c_str()); |
| 54 | if (!env) { |
| 55 | VLOG(5) << "fail to fetch from env: " << env_name; |
| 56 | return ""; |
| 57 | } |
| 58 | return env; |
| 59 | } |
| 60 | |
| 61 | std::string ConvertByteToString(const uint64_t size) { |
| 62 | std::string hight_unit; |