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https://issues.apache.org/jira/browse/KAFKA-1816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Jorgensen updated KAFKA-1816:
------------------------------------
Description:
If you alter a topic to increase the number of partitions then the
configuration erases the existing configs for that topic. This can be
reproduces by doing the following:
{code:none}
$ bin/kafka-topics.sh --create --zookeeper localhost --topic test_topic
--partitions 5 --config retention.ms=3600
$ bin/kafka-topics.sh --describe --zookeeper localhost --topic test_topic
> Topic:test_topic PartitionCount:5 ReplicationFactor:1
> Configs:retention.ms=3600
$ bin/kafka-topics.sh --alter --zookeeper localhost --topic test_topic
--partitions 10
$ bin/kafka-topics.sh --describe --zookeeper localhost --topic test_topic
> Topic:test_topic PartitionCount:10 ReplicationFactor:1
> Configs:
{code}
was:
If you alter a topic to increase the number of partitions then the
configuration erases the existing configs for that topic. This can be
reproduces by doing the following:
{code:none}
$ bin/kafka-topics.sh --create --zookeeper localhost --topic test_topic
--partitions 5 --config retention.ms=3600
$ bin/kafka-topics.sh --describe --zookeeper localhost --topic test_topic
> Topic:test_topic PartitionCount:5 ReplicationFactor:1
> Configs:retention.ms=3600
$ bin/kafka-topics.sh --alter --zookeeper localhost --topic test_topic
--partitions 10
> Topic:test_topic PartitionCount:10 ReplicationFactor:1
> Configs:
{code}
> Topic configs reset after partition increase
> --------------------------------------------
>
> Key: KAFKA-1816
> URL: https://issues.apache.org/jira/browse/KAFKA-1816
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.1.1
> Reporter: Andrew Jorgensen
> Priority: Minor
>
> If you alter a topic to increase the number of partitions then the
> configuration erases the existing configs for that topic. This can be
> reproduces by doing the following:
> {code:none}
> $ bin/kafka-topics.sh --create --zookeeper localhost --topic test_topic
> --partitions 5 --config retention.ms=3600
> $ bin/kafka-topics.sh --describe --zookeeper localhost --topic test_topic
> > Topic:test_topic PartitionCount:5 ReplicationFactor:1
> > Configs:retention.ms=3600
> $ bin/kafka-topics.sh --alter --zookeeper localhost --topic test_topic
> --partitions 10
> $ bin/kafka-topics.sh --describe --zookeeper localhost --topic test_topic
> > Topic:test_topic PartitionCount:10 ReplicationFactor:1
> > Configs:
> {code}
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