CS Basic |
CPU,MEM,PROCESS,NET,FS,DS |
๐๐๐๐๐๐๐ |
Objective-C |
7 years, Didi app |
๐๐๐๐๐๐๐๐ |
Java |
RTA/RTB, 45wQPS, 60ms |
๐๐๐๐๐๐๐ |
Golang |
Ad system,Channel mngm |
๐๐๐๐ |
Scala |
AI feature-SDK |
๐ |
Python |
Spark Tasks, script |
๐ |
Solidity |
Smart Contracts,ETH,Defi |
๐๐ |
Shell |
script |
๐๐๐๐๐ |
MySQL |
basic,index,transaction,lock |
๐๐๐๐๐๐๐๐ |
Redis |
basic,optim,impl |
๐๐๐๐๐๐๐๐ |
Nginx |
config,impl |
๐๐๐ |
ES |
basic,impl |
๐ |
Kafka/RabbitMQ |
basic,impl |
๐๐๐๐๐๐๐๐ |
ZK |
Desc |
๐๐๐ |
Distribute Sys |
RPC,SOA,consistency |
๐๐๐๐ |
Spring |
IOC/AOP,Annotation,Spring Cloud |
๐ |
HBase/Hive |
basic,Modeling |
๐๐๐๐๐ |
Spark |
basic,AI |
๐๐๐ |
Flink |
basic |
๐ |
ClickHouse |
basic |
๐ |
XGBoost |
basic,impl |
๐๐๐๐ |