https://community.cloudera.com/t5/Archives-of-Support-Questions/kafka-Topic-Can-we-decrease-partition-for-a-topic/m-p/191648#M71001 <P>Suppose at the time of creation of Topic we created a topic XX with 5 Partition and later we recognized that we dont need 2 , so can we reduce the number of partition for a Topic ?</P> Wed, 08 Nov 2017 21:36:56 GMT amit_dass 2017-11-08T21:36:56Z https://community.cloudera.com/t5/Archives-of-Support-Questions/kafka-Topic-Can-we-decrease-partition-for-a-topic/m-p/191648#M71001 <P>Suppose at the time of creation of Topic we created a topic XX with 5 Partition and later we recognized that we dont need 2 , so can we reduce the number of partition for a Topic ?</P> Wed, 08 Nov 2017 21:36:56 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/kafka-Topic-Can-we-decrease-partition-for-a-topic/m-p/191648#M71001 amit_dass 2017-11-08T21:36:56Z https://community.cloudera.com/t5/Archives-of-Support-Questions/kafka-Topic-Can-we-decrease-partition-for-a-topic/m-p/191649#M71002 <P>I got the answer for this question : Number of partitions for a topic can only be increased, never decreased </P><P>Reason for this as if we decrease the partition it will be data loss . </P><P>We can delete current topic and recreate new one with required partition to achieve this . </P> Wed, 08 Nov 2017 21:54:27 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/kafka-Topic-Can-we-decrease-partition-for-a-topic/m-p/191649#M71002 amit_dass 2017-11-08T21:54:27Z