presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/StorageManagerConfig.java/StorageManagerConfig/setMaxBufferSize
class StorageManagerConfig:    @Config("storage.max-buffer-size")
    @ConfigDescription("Maximum data to buffer before flushing to disk")
    public StorageManagerConfig setMaxBufferSize(DataSize maxBufferSize)
    {
        this.maxBufferSize = maxBufferSize;
        return this;
    }