Please execute by looping through your topic list. Change partition number based on your requirement.
for topic in `kafka-topics --zookeeper localhost:2181 --list` ./bin/kafka-topics.sh --alter --zookeeper localhost:2181 --topic $topic --partition <partitionnumber> done -----Original Message----- From: sunil chaudhari <sunilmchaudhar...@gmail.com> Sent: Sunday, June 21, 2020 11:16 PM To: users@kafka.apache.org Subject: Re: How to Change number of partitions without Rolling restart? Manoj, You mean I have execute this command manually for all 350 Topics which I already have? Is there any possibility I can use any wild cards? On Mon, 22 Jun 2020 at 9:28 AM, <manoj.agraw...@cognizant.com<mailto:manoj.agraw...@cognizant.com>> wrote: > You can use below command to alter to partition > > ./bin/kafka-topics.sh --alter --zookeeper localhost:2181 --topic > my-topic --partitions 6 > > Thanks > Manoj > > > > On 6/21/20, 7:38 PM, "sunil chaudhari" > <sunilmchaudhar...@gmail.com<mailto:sunilmchaudhar...@gmail.com>> > wrote: > > [External] > > > Hi, > I already have 350 topics created. Please guide me how can I do > that for > these many topics? > Also I want each new topic to be created with more number partitions > automatically than previous number 3, which I had set in properties. > > Regards, > Sunil. > > On Mon, 22 Jun 2020 at 6:31 AM, Liam Clarke-Hutchinson < > liam.cla...@adscale.co.nz<mailto:liam.cla...@adscale.co.nz>> wrote: > > > Hi Sunil, > > > > The broker setting num.partitions only applies to automatically > created > > topics (if that is enabled) at the time of creation. To change > partitions > > for a topic you need to use kafka-topics.sh to do so for each topic. > > > > Kind regards, > > > > Liam Clarke-Hutchinson > > > > On Mon, Jun 22, 2020 at 3:16 AM sunil chaudhari < > > sunilmchaudhar...@gmail.com<mailto:sunilmchaudhar...@gmail.com>> > > wrote: > > > > > Hi, > > > I want to change number of partitions for all topics. > > > How can I change that? Is it server.properties which I need to > change? > > > Then, in that case I have to restart broker right? > > > > > > I checked from confluent control center, there is no option to > change > > > partitions. > > > > > > Please advise. > > > > > > Regards, > > > Sunil > > > > > > > > This e-mail and any files transmitted with it are for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If you are not the intended recipient(s), please reply to > the sender and destroy all copies of the original message. Any > unauthorized review, use, disclosure, dissemination, forwarding, > printing or copying of this email, and/or any action taken in reliance > on the contents of this e-mail is strictly prohibited and may be > unlawful. Where permitted by applicable law, this e-mail and other > e-mail communications sent to and from Cognizant e-mail addresses may be > monitored. > This e-mail and any files transmitted with it are for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If you are not the intended recipient(s), please reply to > the sender and destroy all copies of the original message. Any > unauthorized review, use, disclosure, dissemination, forwarding, > printing or copying of this email, and/or any action taken in reliance > on the contents of this e-mail is strictly prohibited and may be > unlawful. Where permitted by applicable law, this e-mail and other > e-mail communications sent to and from Cognizant e-mail addresses may be > monitored. >
