| CS Basic |
CPU,MEM,PROCESS,NET,FS,DS |
👉👉👉👉👉👉👉 |
| Objective-C |
7 years, Didi app |
👉👉👉👉👉👉👉👉 |
| Java |
RTA/RTB, 45wQPS, 60ms |
👉👉👉👉👉👉👉 |
| Golang |
Ad system,Channel mngm |
👉👉👉👉 |
| Scala |
AI feature-SDK |
👉 |
| Python |
Spark Tasks, script |
👉 |
| Solidity |
Smart Contracts,ETH,Defi |
👉👉 |
| Shell |
script |
👉👉👉👉👉 |
| MySQL |
basic,index,transaction,lock |
👉👉👉👉👉👉👉👉 |
| Redis |
basic,optim,impl |
👉👉👉👉👉👉👉👉 |
| Nginx |
config,impl |
👉👉👉 |
| ES |
basic,impl |
👉 |
| Kafka/RabbitMQ |
basic,impl |
👉👉👉👉👉👉👉👉 |
| ZK |
Desc |
👉👉👉 |
| Distribute Sys |
RPC,SOA,consistency |
👉👉👉👉 |
| Spring |
IOC/AOP,Annotation,Spring Cloud |
👉 |
| HBase/Hive |
basic,Modeling |
👉👉👉👉👉 |
| Spark |
basic,AI |
👉👉👉 |
| Flink |
basic |
👉 |
| ClickHouse |
basic |
👉 |
| XGBoost |
basic,impl |
👉👉👉👉 |