database protocol_error ai_generated true

redis.exceptions.ResponseError：MOVED 12345 192.168.1.10:6379

redis.exceptions.ResponseError: MOVED 12345 192.168.1.10:6379

ID: database/redis-cluster-moved-redirect

其他格式: JSON · Markdown 中文 · English
90%修复率
85%置信度
1证据数
2024-01-18首次发现

版本兼容性

版本状态引入弃用备注
Redis 6.2 active — — —
Redis 7.0 active — — —
Redis 7.2 active — — —

根因分析

Redis集群客户端将命令发送到了错误的节点；该集群槽位由另一个节点拥有，需要重定向。

English

A Redis cluster client sent a command to the wrong node; the cluster slot is owned by a different node, requiring a redirect.

generic

官方文档

https://redis.io/docs/latest/operate/oss_and_stack/management/scaling/

解决方案

  1. Use a Redis cluster-aware client (e.g., redis-py-cluster) that automatically follows MOVED redirects: from rediscluster import RedisCluster; rc = RedisCluster(startup_nodes=[{'host':'192.168.1.10','port':6379}], decode_responses=True)
  2. Execute the command on the node specified in the MOVED error: redis-cli -h 192.168.1.10 -p 6379 GET mykey
  3. Refresh the cluster slots map in the client: rc.cluster_slots = rc.cluster_slots() to force a re-fetch of slot assignments.

无效尝试

常见但无效的做法:

  1. Ignore the MOVED error and retry the same node 100% 失败

    The cluster topology is static for that slot; retrying the same node will always fail because the slot is not hosted there.

  2. Manually update the client's cluster slots map by hardcoding IP addresses 70% 失败

    Cluster nodes can change IPs or rebalance slots; hardcoding breaks when the cluster topology changes.