billowqiu commented on a change in pull request #712:
URL: https://github.com/apache/pulsar-client-go/pull/712#discussion_r787331302
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File path: pulsar/producer_partition.go
##########
@@ -709,35 +709,40 @@ func (p *partitionProducer) internalFlush(fr
*flushRequest) {
// The last item in the queue has been completed while we were
// looking at it. It's safe at this point to assume that every
// message enqueued before Flush() was called are now persisted
- fr.waitGroup.Done()
+ close(fr.doneCh)
return
}
sendReq := &sendRequest{
msg: nil,
callback: func(id MessageID, message *ProducerMessage, e error)
{
fr.err = e
- fr.waitGroup.Done()
+ close(fr.doneCh)
},
}
pi.sendRequests = append(pi.sendRequests, sendReq)
}
func (p *partitionProducer) Send(ctx context.Context, msg *ProducerMessage)
(MessageID, error) {
- wg := sync.WaitGroup{}
- wg.Add(1)
-
var err error
var msgID MessageID
+ // use atomic bool to avoid race
+ isDone := uAtomic.NewBool(false)
Review comment:
this callback is still callback more than once, isDone is only check
callback is called.
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