Yuto Kawamura from LINE Corporation presented on their use of Apache Kafka clusters to provide multitenancy for different internal teams. They face challenges in ensuring isolation between client workloads and preventing abusive clients. Their solutions include request quotas to limit client resource usage, slow logs to identify slow requests, and changes to the broker code to pre-warm caches and
![Multitenancy: Kafka clusters for everyone at LINE](https://cdn-ak-scissors.b.st-hatena.com/image/square/a6eb771ba1fd9ec03e72aeb032da1465cae52b12/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fkafka-meetup-2018-04-180424145909-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)