Thank you,Ewen.
I undertand it now.
bit1...@163.com
From: Ewen Cheslack-Postava
Date: 2015-06-24 11:53
To: users@kafka.apache.org
Subject: Re: No key specified when sending the message to Kafka
It does balance data, but is sticky over short periods of time (for some
definition of short
It does balance data, but is sticky over short periods of time (for some
definition of short...). See this FAQ for an explanation:
https://cwiki.apache.org/confluence/display/KAFKA/FAQ#FAQ-Whyisdatanotevenlydistributedamongpartitionswhenapartitioningkeyisnotspecified
?
This behavior has been chang