Github user JPercivall commented on the issue:
https://github.com/apache/nifi/pull/563
Continuing the comment on "linger.ms", it appears when the "linger.ms"
property is used in PublishKafka it yields the same results. Going forward it
looks like we should be taking two steps:
1: Change our default in PutKafka to match the Kafka default. Looking at
the [Kafka documentation](http://kafka.apache.org/documentation.html) the
default value for "linger.ms" is 0 seconds, for no delay.
2: Figure out whether the mishandling of the property is a problem in our
Processors or the underlying libraries. This may be tricky to do and I can
start but I will probably need help. @olegz could you help here?
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