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Nats Version

caution
  • nats.go 最好匹配服务端版本
verdatenats.go
Nats 2.11
Nats 2.102023-09-20
Nats 2.92022-09-09
Nats 2.82022-04-19
Nats 2.72022-01-04
Nats 2.62021-09-22v1.13
Nats 2.52021-09-10v1.12.1
Nats 2.42021-08-27v1.12.0
Nats 2.32021-06-24v1.11.0
Nats 2.22021-03-15v1.10.0
Nats 2.12019-09-21
Nats 2.02019-05-05
tip
  • JetStream based Key-Value Stores - ADR-8
    • KV: 支持历史记录，支持限定大小，Watch
    • Object Store: 支持 Chunks，Watch
  • Service API ADR-32

Nats 2.11​

  • pub/sub message tracing - OpenTelemetry
    • ADR#41 NATS Message Path Tracing
  • JetStream
    • ADR#31 batched requests
      • batched direct-gets
      • batched direct multi-get requests
    • pausing/resuming consumers

Nats 2.10​

  • 确保先升级到了 2.9.22+ 再升级 2.10
  • $SYS.REQ.USER.INFO
    • userinfo
  • $SYS.REQ.SERVER.{server-id}.RELOAD
    • 重新加载配置
  • S2 压缩
    • cluster
    • leafnode
    • jetstream 存储
  • Auth Callout - external auth providers
  • JetStream
    • subject transforms
      • InputSubjectTransform
      • 语法同核心的 transform
    • metadata 配置信息
    • consumers filtering on multiple subjects
    • 允许 republish
    • re-encrypt
  • 监控
    • $SYS.REQ.SERVER.PING.IDZ
    • $SYS.REQ.SERVER.<id>.PROFILEZ
  • MQTT
    • QoS2 exactly-once delivery
  • Subject Mapping
    • 支持指定 cluster 过滤
  • $SYS.REQ.SERVER.<id>.KICK - disconnect client by id/name
  • $SYS.REQ.SERVER.<id>.LDM - send lame duck mode

Nats 2.9​

Nats 2.8​

Nats 2.7​

  • JetStream
    • 新增配置 max_file_store, max_memory_store
    • 支持客户端 临时 Pull 消费
  • MQTT
    • 支持 WebSocket - /mqtt
  • 新增配置: max_connections, max_subscriptions, max_payload, max_leafnodes
note
  • JetStream LeafNode domains #2693

Nats 2.6​

  • JetStream's reserved memory and memory used
    • /jsz, /varz

Nats 2.5​

  • MQTT/Monitoring
    • /connz

Nats 2.4​

  • JetStream
    • Push Consumer 行为发生变化 - 客户端和服务端都需要升级
      • 避免相同 durable consumer 重复 sub
      • 避免相同 durable consumer 创建多个 queue group
      • queue sub 时，如果没有 consumer 和 durable 则创建临时 js consumer
    • ConsumerConfig.DeliverGroup consumer 关联 queue
    • ConsumerInfo.PushBound 表示已经绑定 push 关系
  • v2.4.0

Nats 2.3​

  • OCSP - Online Certificate Status Protocol
  • JetStream
    • stream purge by subject
    • per-subject message limit
    • encryption data at rest
[ ext_ca ]
authorityInfoAccess = OCSP;URI:http://ocsp.example.net:80
tlsfeature = status_request
# ocsp: true

ocsp {
  # auto, must, always, never
  mode: must
  url: "http://ocsp.example.net"
}

Nats 2.2​

  • 新增 JetStream
  • 支持 MQTT 3.1.1
  • 支持 WebSocket 链接
  • Message Header
  • Security & Account
    • CIDR Block
    • Time-Based Account Restrictions
    • Default User Permissions
  • Monitoring
    • jsz
    • /accountz
    • /varz
    • /leafz
  • JWT

Nats 2.1​

  • add rtt /routez
  • /leafz

Nats 2.0​

  • NKey
  • Accounts
  • JWT
  • Gateway
  • Lean Nodes
  • System events
  • new route protocol