In 0.8.1, per topic config will only be persisted in ZK, not in the local server property file.
To change a topic config, you would do kafka-topics.sh --alter --config To change # partitons in a topic, you would do kafka-topics.sh --alter --partitions Our tentative future release schedule is documented in https://cwiki.apache.org/confluence/display/KAFKA/Future+release+plan Thanks, Jun On Wed, Dec 4, 2013 at 8:15 AM, Yu, Libo <libo...@citi.com> wrote: > Thanks for the clarification. I am just curious about how this works out. > If we can change the retention size with "kafka-topics.sh --alter", > will the new retention size be updated to the servers.properties? > If there is any documentation, that will be great. Another question > is whether you have any release plan for 0.8.1. Thanks. > > > Regards, > > Libo > > > -----Original Message----- > From: Jun Rao [mailto:jun...@gmail.com] > Sent: Tuesday, December 03, 2013 8:57 PM > To: users@kafka.apache.org > Subject: Re: set new retention size on the fly > > Just to clarify. Even though # partition is a config property of a topic, > it has to be done through the add partition admin command. Other topic > level config changes can be made through "kafka-topics.sh --alter" in 0.8.1 > (trunk). > > Thanks, > > Jun > > > On Tue, Dec 3, 2013 at 3:56 PM, Jay Kreps <jay.kr...@gmail.com> wrote: > > > 0.8 includes the partition increasing tool. 0.8.1 makes all per-topic > > configuration dynamic and updatable via a command line tool. > > > > -Jay > > > > > > On Tue, Dec 3, 2013 at 1:23 PM, Yu, Libo <libo...@citi.com> wrote: > > > > > Hi Neha, > > > > > > "0.8.1 includes the ability to dynamically change per topic configs." > > > Do you mean number of partitions or retention size? > > > > > > Regards, > > > > > > Libo > > > > > > > > > -----Original Message----- > > > From: Neha Narkhede [mailto:neha.narkh...@gmail.com] > > > Sent: Tuesday, December 03, 2013 1:25 PM > > > To: users@kafka.apache.org > > > Subject: Re: set new retention size on the fly > > > > > > For adding partitions, look at > > > > > > > > https://cwiki.apache.org/confluence/display/KAFKA/Replication+tools#Re > > plicationtools-5.AddPartitionTool > > > 0.8.1 includes the ability to dynamically change per topic configs. > > > > > > Thanks, > > > Neha > > > > > > > > > On Tue, Dec 3, 2013 at 10:21 AM, Yu, Libo <libo...@citi.com> wrote: > > > > > > > Hi folks, > > > > > > > > For 0.8, it is possible to add a partition dynamically. Is it > > > > possible to increase the retention size on the fly? This feature > > > > will be very useful for operation. I know rolling start can pick > > > > up the change but it takes too much effort. Thanks. > > > > > > > > Libo > > > > > > > > > > > > > >