bogerv commented on issue #1135:
URL:
https://github.com/apache/rocketmq-client-go/issues/1135#issuecomment-2033827068
`
func OrderPersistListDealing(_accountType string, _b string, _q string) {
err := rocketmq.RMQ().Consumer(rocketmq.ConsumerGroupPersist).Subscribe(
rocketmq.GetTopicPersist(_b, _q),
consumer.MessageSelector{Type: consumer.TAG, Expression:
util.FormatSymbol(_b, _q)},
func(ctx context.Context, msgs ...*primitive.MessageExt)
(consumer.ConsumeResult, error) {
wg := &sync.WaitGroup{}
bulkInsertESOrder(orders, wg, &esErr)
})
}`
Inside the bulkInsertESOrder function, print logs after sleep 5 seconds. The
result is that every 5 seconds, 8 logs will be printed at the same time.
The scenario is an application process that starts multiple
goroutine(OrderPersistListDealing is started multiple goroutine with different
_b and _q), with each goroutine using the same consumer to subscribe multiple
topics, and use MessageSelector to distinguish different data.
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