code: public static void processWarmUpWeight(ProviderInfo providerInfo) {
  
          String warmupTimeStr = providerInfo.getStaticAttr(ProviderInfoAttrs.ATTR_WARMUP_TIME);
          String warmupWeightStr = providerInfo.getStaticAttr(ProviderInfoAttrs.ATTR_WARMUP_WEIGHT);
          String startTimeStr = providerInfo.getStaticAttr(ProviderInfoAttrs.ATTR_START_TIME);
  
          if (StringUtils.isNotBlank(warmupTimeStr) && StringUtils.isNotBlank(warmupWeightStr) &&
              StringUtils.isNotBlank(startTimeStr)) {
  
              long warmupTime = CommonUtils.parseLong(warmupTimeStr, 0);
              int warmupWeight = CommonUtils.parseInt(warmupWeightStr,
                  Integer.parseInt(providerInfo.getStaticAttr(ProviderInfoAttrs.ATTR_WEIGHT)));
              long startTime = CommonUtils.parseLong(startTimeStr, 0);
              long warmupEndTime = startTime + warmupTime;
  
              // set for dynamic
              providerInfo.setDynamicAttr(ProviderInfoAttrs.ATTR_WARMUP_WEIGHT, warmupWeight);
              providerInfo.setDynamicAttr(ProviderInfoAttrs.ATTR_WARM_UP_END_TIME, warmupEndTime);
              providerInfo.setStatus(ProviderStatus.WARMING_UP);
          }
  
          // remove from static
          providerInfo.getStaticAttrs().remove(ProviderInfoAttrs.ATTR_WARMUP_TIME);
          providerInfo.getStaticAttrs().remove(ProviderInfoAttrs.ATTR_WARMUP_WEIGHT);
  
      }
docs: Read the warmUp weight parameter,
  decide whether to switch the state to the preheating period,
  and set the corresponding parameters during the preheating period.
  
  @param providerInfo the provider info