
PolarDB-X 架构大图
Leader
Logger
Follower
上海
杭州
北京
CN
计算节点(CN)
存储节点(DN)
…
Load Balance
CN
…
CN
Follower Logger
Leader
Paxos-group
Follower Logger
Leader
Paxos-group
Follower Logger
Leader
Paxos-group
Share-nothing
Plan Cache Outline
Transaction (TSO/2PC)
Information schema
SQL Parser
Cascades Optimizer (RBO & CBO)
Physical Plan For TP
Physical Plan For AP
AP Operators
Shuffle、Driver
Functions
Sequence
Hint
Data Placement (Rule)
Data Type
TP Operators
Join, Sort, Aggregate, Project, Filter, etc.
MySQL Protocol
Session
Users
Admin &
Profile
Operators
DDL Operators
DCL Operators
Global Secondary Index
Optimizer
Executor
Private Protocol
CTs based MVCC
X-Paxos
MySQL
CDC
CDC
GMS
GMS GMS
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