1. docker容器中自行安装mysql （docker 18, ubuntu16.04, mysql 5.7.25）时出现头疼的libaio.so.1 permission denined. 研究来研究去还是通过docker 改aufs为devicemapper解决，现在我们的部署可以放在一个容器中，对于运维同学非常方便了。
然而devicemapper有没有坑，还需要研究
https://docs.docker.com/storage/storagedriver/device-mapper-driver/
https://blog.csdn.net/kikajack/article/details/79509624
2. python kafka offset监控脚本
https://github.com/quantumcs/wiki/blob/2ebcb398db40a09f2e94eb379ad4d7686971746b/source/_posts/数据处理/DataStore/Kafka/Kakfa监控.md
3. 某个线上环境因为一个节点挂掉导致前台没有数据，排查下来发现其实是fair因长时间连接不上kafka退出
4. es
https://opendistro.github.io/for-elasticsearch/ aws搞得另一个版本的ES
https://githubengineering.com/vulcanizer-a-library-for-elasticsearch/
https://yq.aliyun.com/articles/657108?spm=a2c4e.11153959.0.0.4c8f7031ZzzkxC 监控es，要监控哪些点
https://github.com/laoyang360/deep_elasticsearch 铭毅天下的es月报
https://github.com/morningconsult/go-elasticsearch-alerts 基于es的alert
https://esdoc.bbossgroups.com/#/?id=搜索引擎的-orm-库-elasticsearch-bboss es bboss
5. css
https://blog.csdn.net/dkr380205984/article/category/8093082
d3 https://blog.csdn.net/dkr380205984/column/info/25685