We are very excited to announce the general availability of Confluent Platform 2.0. For organizations that want to build a streaming data pipeline around Apache Kafka, Confluent Platform is the easiest way to get started. It includes a set of components out-of-the-box that we saw being built over-and-over again in-house by some of the largest companies in the world, as they transitioned to a central stream data platform. We’ve learned from these companies and packaged together an open source implementation of these components in a single, well tested, fully supported product. It’s 100% open source and you can download it now.
In Confluent Platform 2.0 we’ve added new features to enable the operation of Apache Kafka as a centralized stream data platform. This entails adding the ability to operate multi-tenant Kafka clusters and enabling data flow from existing systems to Kafka. To enable multi-tenancy, this release adds security and user-defined quotas. To enable streaming data flow between existing data systems, this release adds Kafka Connect and better client support.
This release adds three key security features to Kafka. First, administrators can require client authentication (using either Kerberos or TLS client certificates), so that Kafka knows who is making each request. Second, unix-like permissions system can be used to control which users can access which data. Third, Kafka supports encryption of network connections, allowing messages to be securely sent across untrusted networks.
These are only the first of many security features to be added to the Confluent Platform, and we look forward to adding more security capabilities in forthcoming releases.
Kafka enables real-time, high scale flow of stream data between various systems, unlocking data silos along the way. This capability is really solid, and drives Kafka’s popularity, but we sought to make Kafka even more powerful in this regard – adding a new feature called Kafka Connect.
Kafka Connect facilitates large-scale, real-time data import and export for Kafka while offering fault tolerance, partitioning, offset management, strong delivery semantics, operations, and monitoring. Kafka Connect is a tool for copying data between Kafka and a variety of other systems, ranging from relational databases, to logs and metrics, to Hadoop and data warehouses, to NoSQL data stores, to search indexes, and more.
The 2.0 release of Confluent Platform includes open source, tested and certified Kafka connectors for log files, relational databases, and Hadoop. These connectors are fully integrated with the Confluent Schema Registry to enable, for instance, end-to-end ETL for databases into Hadoop. The HDFS Connector allows you to export data from Kafka topics to HDFS files in a variety of formats and integrates with Hive to make data immediately available for querying with HiveQL. The JDBC Connector allows you to import data from any relational database with a JDBC driver into Kafka topics. By using JDBC, this connector can support a wide variety of databases without requiring custom code for each one. We’re still shipping Camus in this release before phasing it out in forthcoming releases.
We look forward to working closely with the open source community to foster development of a rich ecosystem of Kafka connectors. If you’d like to contribute connectors, start by going through the connector developer guide or reach out to the Confluent Platform mailing list.
This release of Confluent Platform offers user-defined quotas in Kafka, an important capability for managing multi-tenant Kafka clusters. These quotas give the user the ability to prevent a rogue client from monopolizing the broker resources and thereby making the cluster unavailable to the rest of the clients. With this feature, users can allocate a quota on the bandwidth usage to clients that is proportional to their expected traffic. This allows the Kafka cluster to throttle the traffic from clients, should they violate their allocated quota, thereby protecting the other tenants on the same cluster.
Confluent Platform 2.0 includes fully-featured native Java producer and consumer clients. It also includes fully supported, high performance C/C++ clients. These clients have feature and API parity with the Apache Kafka 0.9 Java clients and are also integrated with Confluent Platform’s Schema Registry.
Confluent Platform is entirely open source. We are proud to share our work with the broader Kafka Community and invite community members to help improve Kafka. Developers and users can get access to the source code here.
We’re really excited about the latest Confluent Platform release! Learn more about it by reading the details in the Confluent Platform 2.0 documentation. Download it to give it a spin.
As always, we are happy to hear your feedback. Please post your questions and suggestions to the public mailing list.
*Confluent Platform 2.0 bundles a version of Apache Kafka 0.9 that includes additional patches that increase performance, stability, and security, all of which have been contributed to Apache Kafka.
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