;{.items[0].metadata.name}&#39;) 17171 &amp;
</code></pre><p>接下来，我们可以批量发送 5 个请求：</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ grpcurl -plaintext -d &#39;{&#34;url&#34;: &#34;xds:///echo.echo-grpc.svc.cluster.local:7070&#34;, &#34;count&#34;: 5}&#39; :17171 proto.EchoTestService/ForwardEcho | jq -r &#39;.output | join(&#34;&#34;)&#39;  | grep Hostname
Handling connection for 17171
[0 body] Hostname=echo-v1-7cf5b76586-bgn6t
[1 body] Hostname=echo-v2