Thanks Swapnil. I changed *offsets.topic.num.partitions* in server.properties file and restarted the broker. But, still this config change does not take effect.
Any ideas? Thanks in advance Tanvi On Sun, Mar 25, 2018 at 12:30 AM, Swapnil Gupta <neomatrix1...@gmail.com> wrote: > In brief, this is system level configuration by Kafka. > > Consumer offsets partitions can't be changed through command line. > > You have to change the configuration file and set this > *offsets.topic.num.partitions* property to change this. > > On Sun, Mar 25, 2018, 12:49 Anu P <iamkafkau...@gmail.com> wrote: > > > Hi, > > > > I am trying to change the number of partitions for __consumer_offsets > topic > > by using the following command. However, I get an error stating "Number > of > > partitions for offsets topic cannot be changed" > > > > > > */opt/kafka/bin/kafka-topics.sh --zookeeper <zookeeper> --alter --topic > > __consumer_offsets --partitions 54 * > > > > > > Error while executing topic command : The number of partitions for the > > offsets topic cannot be changed. > > ERROR java.lang.IllegalArgumentException: The number of partitions for > the > > offsets topic cannot be changed. > > at > > > > kafka.admin.TopicCommand$$anonfun$alterTopic$1.apply( > TopicCommand.scala:142) > > ..... > > > > > > > > Environment details: > > > > 1. 3 zookeepers and 3 kafka brokers (version 1.0.1) > > 2. After deploying kafka, I tried the kafka-topics command (above) to > > increase it partitions. But it fails. Can someone please help me > > understand > > why? Am I missing something? > > 3. I want to distribute partitions leaders equally among brokers. So > > want to increase the number of partitions for offsets topic. > > > > > > Thanks in advance. > > > > Tanvi > > >
