Hello,
What is the round-trip time? How much time does DNS resolution take?
On Tuesday, August 22, 2023 at 12:02:21 AM UTC-7 邹会江 wrote:
> ### JAVA Code
>
> ```
> channel =
> ManagedChannelBuilder.forTarget(param.getTarget()).build();
> long channelStart = System.currentTimeMillis();
> asyncStub = ASRRouteGrpc.newStub(channel);
> asrResponseStreamObserver = new
> ASRResponseStreamObserver(speechTranscriberListener);
> requestObserver = asyncStub.route(asrResponseStreamObserver);
> RouteRequest requestConf = newRequestHead(param);
> traceId = requestConf.getAsrConfig().getTraceId();
> ConnectivityState currentChannelState = channel.getState(true);
> while (currentChannelState != ConnectivityState.READY) {
> CountDownLatch latchUntilChannelReady = new
> CountDownLatch(1);
> channel.notifyWhenStateChanged(currentChannelState,
> latchUntilChannelReady::countDown);
> latchUntilChannelReady.await();
> currentChannelState = channel.getState(true);
> if (currentChannelState == ConnectivityState.CONNECTING) {
> long channelConnecting = System.currentTimeMillis();
> LOGGER.info("The transition from idle state to
> connecting takes: {} ms", channelConnecting - channelStart);
> }
> }
> long channelReady = System.currentTimeMillis();
> if (LOGGER.isInfoEnabled()) {
> LOGGER.info("Trace id: {}, channel start time: {}, channel
> ready time: {}, creating channel takes: {} ms", traceId, channelStart,
> channelReady,
> channelReady - channelStart);
> }
> ```
> ### LOGGER
>
> ```
> 2023-08-22 14:12:34,816 INFO client.ASRClient - The transition from idle
> state to connecting takes: 1009 ms
> 2023-08-22 14:12:34,841 INFO client.ASRClient - Trace id:
> 6afd2c67-e8c5-4cea-bd5c-4b82591a52aa, channel start time: 1692684753807,
> channel ready time: 1692684754841, creating channel takes: 1034 ms
> ```
> ### Description
> #### code logic
> 1. first create channel
> 2. mark a time stamp(channelStart) after the channel is created
> 3. get the state of channel ,the state is IDEL
> 4. when the state of channel changes from IDEL to CONNECTING,mark a time
> stamp(channelConnecting)
> 5. when the state of channel changes from CONNECTING to READY, mark a time
> stamp(channelReady)
>
> #### Log info
> 1. It takes 1009ms for channel from IDLE state to CONNECTING state.
> 2. It takes 25ms for channel from CONNECTIONG state to READY state.
> ### What's i supposed
> 1. Does it take too long for a channel to change from IDLE to CONNECTING?
> 2. I want to reduce the time it takes for a channel to go from IDLE to
> CONNECTING.
>
--
You received this message because you are subscribed to the Google Groups
"grpc.io" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to grpc-io+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/grpc-io/8f2a15b8-1541-422e-ad66-9a5778e53882n%40googlegroups.com.
