GRPC请求遭客户端取消排查：已设无限超时仍报错

云原生阿岚

2026-6-20

问题：gRPC异步调用1分钟后全部被取消，报错StatusCode.CANCELLED

背景

基于gRPC官方Python异步示例搭建客户端/服务端，服务端通过聚合大量请求提升效率，导致单请求payload较大，处理时长约20秒
使用1台本地服务端+20个asyncio异步客户端进行压测，初始请求可正常处理，约1分钟后所有调用全部失败

报错信息

Received error: %s <AioRpcError of RPC that terminated with:
    status = StatusCode.CANCELLED
    details = "CANCELLED"
    debug_error_string = "UNKNOWN:Error received from peer  {grpc_message:"CANCELLED", grpc_status:1,     created_time:"2024-07-22T10:29:05.205259898+02:00"}"

已尝试的配置（未解决问题）

服务端配置

server_options = [
        ("grpc.keepalive_time_ms", 99999999),
        ("grpc.keepalive_timeout_ms", 9999999),
        ("grpc.http2.min_ping_interval_without_data_ms", 9999999),
        ("grpc.max_connection_idle_ms", 99999999),
        ("grpc.max_connection_age_ms", 99999999),
        ("grpc.max_connection_age_grace_ms", 99999999),
        ("grpc.http2.max_pings_without_data", 5),
        ("grpc.keepalive_permit_without_calls", 1),
    ]

客户端配置

client_options = [
    ('grpc.max_send_message_length', 50 * 1024 * 1024),  # 50 MB
    ('grpc.max_receive_message_length', 50 * 1024 * 1024),  # 50 MB
    ("grpc.keepalive_time_ms", 999999999),
    ("grpc.keepalive_timeout_ms", 99999999),
    ("grpc.http2.max_pings_without_data", 5),
    ("grpc.keepalive_permit_without_calls", 1)
]