以下是链接来自singer 团队的实践，很不错，值得学习
https://www.stitchdata.com/blog/100-billion-records-later-refining-our-etl-service/ https://stackshare.io/stitch/how-stitch-consolidates-a-billion-records-per-day https://www.stitchdata.com/blog/building-stitch/