kou commented on issue #41780:
URL: https://github.com/apache/arrow/issues/41780#issuecomment-2126157878
Ah, I see. The following works. Is it OK? Or do we have more simpler way?
```diff
diff --git a/cpp/src/arrow/flight/flight_benchmark.cc
b/cpp/src/arrow/flight/flight_benchmark.cc
index f53b1c6dce..057ef15c3c 100644
--- a/cpp/src/arrow/flight/flight_benchmark.cc
+++ b/cpp/src/arrow/flight/flight_benchmark.cc
@@ -131,7 +131,8 @@ struct PerformanceStats {
Status WaitForReady(FlightClient* client, const FlightCallOptions&
call_options) {
Action action{"ping", nullptr};
for (int attempt = 0; attempt < 10; attempt++) {
- if (client->DoAction(call_options, action).ok()) {
+ auto result_stream_result = client->DoAction(call_options, action);
+ if (result_stream_result.ok() && (*result_stream_result)->Drain().ok())
{
return Status::OK();
}
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
```
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