Github user franz1981 commented on the issue:
https://github.com/apache/activemq-artemis/pull/1119
@clebertsuconic it uses an await with timeout on the write and flush
promise offered by the netty channel; it has to return by (Netty) contract
either in 2 cases:
- timeout occurs (by default io.netty.backpressure.millis=1000 milliseconds)
- the data are flushed
If it doesn't return we could have some issue on the thread pool used by
Netty to perform the flush (the I/O threads), but is pretty strange! Anyway I
need feedback mate, I'll ping you ASAP :+1:
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