go resource_error ai_generated true

rpc 错误：code = ResourceExhausted desc = grpc: 接收到的消息超过最大值（5242881 vs. 4194304）

rpc error: code = ResourceExhausted desc = grpc: received message larger than max (5242881 vs. 4194304)

ID: go/grpc-resource-exhausted-max-message-size

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80%修复率
87%置信度
0证据数
2024-07-01首次发现

版本兼容性

版本状态引入弃用备注
1.x active — — —

根因分析

序列化后的消息超过了默认 4 MiB 的接收限制。gRPC 在客户端和服务端都强制 MaxRecvMsgSize。

English

The serialized message exceeds the default 4 MiB receive limit. gRPC enforces MaxRecvMsgSize on both client and server.

generic

解决方案

  1. 90% 成功率 
    Raise the limit on both sides: grpc.NewServer(grpc.MaxRecvMsgSize(16*1024*1024)) and grpc.Dial(addr, grpc.WithDefaultCallOptions(grpc.MaxRecvMsgSize(16*1024*1024))).
  2. 85% 成功率 
    Switch large payloads to gRPC streaming (client-streaming or server-streaming) so each message stays small, or store blobs out-of-band and pass a reference.

无效尝试

常见但无效的做法:

  1. 70% 失败

    Compression reduces wire size but the decompressed message is still checked against MaxRecvMsgSize, so large payloads still fail.

  2. 65% 失败

    The server also enforces the limit when receiving the request/response, so the error moves to the server side.