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From guozh...@apache.org
Subject kafka git commit: MINOR: add upgrade not for group.initial.rebalance.delay.ms
Date Thu, 01 Jun 2017 20:42:15 GMT
Repository: kafka
Updated Branches:
  refs/heads/trunk e4d829c47 -> adb4ea74a


MINOR: add upgrade not for group.initial.rebalance.delay.ms

Add a new entry in upgrade.html for `group.initial.rebalance.delay.ms`

Author: Damian Guy <damian.guy@gmail.com>

Reviewers: Ismael Juma <ismael@juma.me.uk>, Guozhang Wang <wangguoz@gmail.com>

Closes #3189 from dguy/relabance-delay


Project: http://git-wip-us.apache.org/repos/asf/kafka/repo
Commit: http://git-wip-us.apache.org/repos/asf/kafka/commit/adb4ea74
Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/adb4ea74
Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/adb4ea74

Branch: refs/heads/trunk
Commit: adb4ea74ab55860e5a775151f317e923acac2ad4
Parents: e4d829c
Author: Damian Guy <damian.guy@gmail.com>
Authored: Thu Jun 1 13:42:12 2017 -0700
Committer: Guozhang Wang <wangguoz@gmail.com>
Committed: Thu Jun 1 13:42:12 2017 -0700

----------------------------------------------------------------------
 docs/upgrade.html | 6 ++++++
 1 file changed, 6 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kafka/blob/adb4ea74/docs/upgrade.html
----------------------------------------------------------------------
diff --git a/docs/upgrade.html b/docs/upgrade.html
index 2b62a2b..6487a62 100644
--- a/docs/upgrade.html
+++ b/docs/upgrade.html
@@ -70,6 +70,12 @@
     <li>Added user headers support through a new Headers interface providing user headers
read and write access.</li>
     <li>ProducerRecord and ConsumerRecord expose the new Headers API via <code>Headers
headers()</code> method call.</li>
     <li>ExtendedSerializer and ExtendedDeserializer interfaces are introduced to support
serialization and deserialization for headers. Headers will be ignored if the configured serializer
and deserializer are not the above classes.</li>
+    <li>A new config,<code>group.initial.rebalance.delay.ms</code>, was
introduced.
+        This config specifies the time, in milliseconds, that the <code>GroupCoordinator</code>
will delay the initial consumer rebalance.
+        The rebalance will be further delayed by the value of <code>group.initial.rebalance.delay.ms</code>
as new members join the group, up to a maximum of <code>max.poll.interval.ms</code>.
+        The default value for this is 3 seconds.
+        During development and testing it might be desirable to set this to 0 inorder to
not delay test execution time.
+    </li>
 </ul>
 
 <h5><a id="upgrade_1100_new_protocols" href="#upgrade_1100_new_protocols">New
Protocol Versions</a></h5>


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