openstack/kolla-ansible
Code Issues Proposed changes
42fd0a795e
kolla-ansible/doc/source/reference/logging-and-monitoring/kafka-guide.rst
Doug Szumski b758883418 Support setting Kafka storage volume 
Not everyone wants Kafka data stored on a Docker volume. This
change allows a user to flexibly control where the data is stored.

Change-Id: I2ba8c7a85c7bf2564f954a43c6e6dbb3257fe902
2020-03-30 11:00:03 +02:00

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Apache Kafka

Overview

Kafka is a distributed stream processing system. It forms the central component of Monasca and in an OpenStack context can also be used as an experimental messaging backend in Oslo messaging.

Kafka

A spinning disk array is normally sufficient for Kafka. The data directory defaults to a docker volume, kafka. Since it can use a lot of disk space, you may wish to store the data on a dedicated device. This can be achieved by setting kafka_datadir_volume in /etc/kolla/globals.yml:

kafka_datadir_volume: /mnt/spinning_array/kafka/