public Builder setValueSizeThreshold(final int valueSizeThreshold) {
            this.valueSizeThreshold = valueSizeThreshold;
            return this;
        }
RocksDBSegmentLogStorage builder
@author boyan(boyan@antfin.com)
jraft-core/src/main/java/com/alipay/sofa/jraft/storage/log/RocksDBSegmentLogStorage.java