Keep primary key / index key as tiny as possible
Year: 2023
Is 20M of rows still a valid soft limit of MySQL table in 2023?
Innodb_buffer_pool size / table size decides whether there'll be a performance downgrade.
Festival 节日
The splinters and the blood were still there, and it was a festival. 碎片和血迹依旧在那里,今天是一个节日。
为什么我的网络传输速度下降了
AWS通过扩大rtt和retry实现限速
Drafts 04/23
We told stories in such a night that all those stories seemed to never end. 我们在这样的夜晚中讲故事,那些故事都仿佛不会终止
Packet capture experiment 2: send/receive buffer
Don't hardcode buffer size. Don't keep CPU usage so high.
Packet capture experiment 1: packet delay, loss, duplicate, corrupt, out-of-order and bandwidth limit
Patterns of network issues
Drafts 03/23
You stopped talking any more in my dream. I knew it was me who was forgetting. 梦中的你不再说话,我知道是我在忘记
Spot instance termination makes pipeline runtime unstable
Spot instance can save a lot of cost if it fits your use case.
Redis closes connection due to big keys
Again, avoid redis big keys