kafka loses all topics on reboot

Question

I\'m trying out Kafka (0.8.2.1) in a VM, but am having trouble with it: though everything is fine while the machine remains on (even if I restart ZK/Kafka), if I reboot the

Answer 1

This happens because the tmp folder get cleared out on reboot.

To fix this issue, do the following.

Go to you kafka installation directory and search for the file server.properties. You should see a section as below

A comma separated list of directories under which to store log files
log.dirs=/tmp/kafka-logs

Change the logs.dir to something more local or a custom dir like this. log.dirs=/Users/xxx/yyy/software/confluent-5.3.1/mydata

Reboot your kafka cluster for the changes to take effect. Reboot your system and you will see the Topics are still present.