Redis 核心技術與實戰

Backend 讀書會

03/30

15:00~16:30

@Universe Tech

Persistence

• RDB

• AOF (Append Only File)

Persistence

• AOF (Append Only File)

Persistence

• AOF (Append Only File)
  • ​No grammar check
  • No blocking on current request
  • Write on main thread
  • Data loss possibility

Persistence

• AOF Policy

Persistence

• AOF Rewrite

Persistence

• AOF Rewrite

Persistence

• RDB
  • ​save
  • bgsave

Write Lock?

Persistence

• RDB - (Copy-On-Write, COW)

Persistence

• RDB

Only one bgsave at the same time

Persistence

• RDB

Persistence

• RDB + AOF

Persistence

• RDB + AOF

Discussion