request is rejected by grpc RateLimiter

[rere950303]

• milvus version: v2.4.23
• cdc version: v2.0.0-rc8

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We’re seeing the following warning logs while CDC is running. Would you happen to know the cause? The CDC functionality itself seems to be working fine.

2025.07.18T20:35:02.335 [2025/07/18 20:35:02.335 +09:00] [WARN] [retry/retry.go:46] ["retry func failed"] [retried=0] [error="request is rejected by grpc RateLimiter middleware, please retry later: rate limit exceeded[rate=0.1]"]

this is my cdc.yaml

address: 0.0.0.0:8080
maxTaskNum: 100
metaStoreConfig:
  storeType: etcd
  etcd:
    address:
      - http://~~~:2379
    enableAuth: false
    enableTLS: false
  rootPath: cdc-by-dev
sourceConfig:
  etcd:
    address:
      - http://~~~:2379
    rootPath: by-dev
    metaSubPath: meta
    enableAuth: false
    enableTLS: false
  readChanLen: 4
  defaultPartitionName: _default
  replicateChan: by-dev-replicate-msg
  pulsar:
    address: pulsar://~~~:6650
    webAddress: ~~~:80
    maxMessageSize: 5242880
    tenant: public
    namespace: default
maxNameLength: 256
logLevel: info
detectDeadLock: false
batchMode: true