An Overview of Large-Scale Stream Processing Engines - Large Scale and Big Data: Processing and Management - page 393

Local
catalog

Persistent
storage

Query processor

Borealis node

Load
shedder

Global
catalog

NH
optimizer

Local
monitor

HA Admin Query processor

Box
processor

Storage manager
(Buffers and CP data)

Local optimizer

Transport independent RPC (XML, TCP, Local)

IOQueues

Priority
scheduler

Meta-data Control Data

Data interface

Control interface

FIGURE 12.3 The architecture of Borealis.