Pierre Zemb

Tech lead Distributed and Storage Systems. contributor (Flink, HBase, Pulsar). Giving a hand to , and

Announcing Kafka-on-Pulsar: bring native Kafka protocol support to Apache Pulsar

This post has been published on both the StreamNative and OVHcloud blogs and was co-authored by Sijie Guo, Jia Zhai and Pierre Zemb. Thanks Horacio Gonzalez for the illustrations! We are excited to announce that StreamNative and OVHcloud are open-sourcing “Kafka on Pulsar” (KoP).  KoP brings the native Apache Kafka protocol support to Apache Pulsar …

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Contributing to Apache HBase: custom data balancing

Contributing to Apache HBase: custom data balancing

In today’s blogpost, we’re going to take a look at our upstream contribution to Apache HBase’s stochastic load balancer, based on our experience of running HBase clusters to support OVHcloud’s monitoring. The context Have you ever wondered how: we generate the graphs for your OVHcloud server or web hosting package? our internal teams monitor their …

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OVH & Apache Flink

Handling OVH’s alerts with Apache Flink

OVH relies extensively on metrics to effectively monitor its entire stack. Whenever they are low-level or business centric, they allow teams to gain insight into how our services are operating on a daily basis. The need to store millions of datapoints per second has produced the need to create a dedicated team to build a operate a product to handle that load: Metrics Data Platform. By relying on Apache Hbase, Apache Kafka and Warp 10, we succeeded in creating a fully distributed platform that is handling all our metrics… and yours!

After building the platform to deal with all those metrics, our next challenge was to build one of the most needed feature for Metrics: Alerting.