Config documentation optimized for 'request.timeout. ms' and 'max.poll.interval.ms'.
Reviewers: Guozhang Wang
@@ -1543,9 +1543,9 @@ only support 0.10.1.x or later brokers while 0.10.1.x brokers also support older
<li> The new Java Consumer now supports heartbeating from a background thread. There is a new configuration
<code>max.poll.interval.ms</code> which controls the maximum time between poll invocations before the consumer
will proactively leave the group (5 minutes by default). The value of the configuration
- <code>request.timeout.ms</code> must always be larger than <code>max.poll.interval.ms</code> because this is the maximum
- time that a JoinGroup request can block on the server while the consumer is rebalancing, so we have changed its default
- value to just above 5 minutes. Finally, the default value of <code>session.timeout.ms</code> has been adjusted down to
+ <code>request.timeout.ms</code> (default to 30 seconds) must always be smaller than <code>max.poll.interval.ms</code>(default to 5 minutes),
+ since that is the maximum time that a JoinGroup request can block on the server while the consumer is rebalance.
+ Finally, the default value of <code>session.timeout.ms</code> has been adjusted down to
10 seconds, and the default value of <code>max.poll.records</code> has been changed to 500.</li>
<li> When using an Authorizer and a user doesn't have <b>Describe</b> authorization on a topic, the broker will no
longer return TOPIC_AUTHORIZATION_FAILED errors to requests since this leaks topic names. Instead, the UNKNOWN_TOPIC_OR_PARTITION
