Open Source Summit North America 2018

Many organizations have already waded into cloud computing, test-driven development, microservices, and continuous integration and delivery.

Current enterprise needs have refined the art of cloud native development to maintain their competitive edge and stay well ahead of the competition. This session will cover shows Java/JVM developers how to build better software, faster, using Spring Boot, Spring Cloud, and Cloud Foundry.
Session will cover all above the topics in basics and programming level which helps for any one to jump start on cloud native Java

Standards setting organisations have a long-standing history in facilitating technical innovation dating back more than one hundred years. The acknowledgement of the positive economic, social and political impact of standardisation resulted in strong ties between industry, government and academia, leading to the establishment of national standards bodies and international standardisation organisations. While it is commonly assumed that a close cooperation between standard setting and Open Source communities would be beneficial, both sides struggle to establish successful models of collaboration. It is especially unclear where standard setting and Open Source compete for relevance, and where they are complementary. The qualitative study at the Technical University of Berlin provides answers to this question based on a comparative SWOT analysis that will be presented.

The I/O infrastructure is key to Big Data ecosystem. New networking and storage hardware technologies are continuously being developed while software I/O stack remains relatively slow. In order to ensure applications are able to take full advantage of modern devices, deep understanding of I/O subsystems and optimizations to Java libraries and Big Data frameworks are required. In this presentation, a data driven approach is used to identify software I/O bottlenecks inside four Big Data frameworks - Apache Cassandra, HBase, Spark and HDFS. To fix the bottlenecks, new Java library APIs Intel contributes to OpenJDK are introduced. Corresponding software changes to the target Big Data frameworks are also discussed in the presentation as examples of how to use the new Java APIs. At the end of each case study, performance analysis is used to demonstrate throughput and latency improvements from the software optimizations.

Kselftest started out as an effort to enable a developer-focused unit test framework in the kernel to ensure the quality of new kernel releases. Today it is an integral part of the Linux Kernel development process to qualify Linux mainline and stable release candidates. This talk will go over the Kselftest framework, how to write tests that work well with the framework for effective reporting of results. In addition, Shuah will discuss how the framework is tailored for developer as well as users to server their individual and unique needs and discuss future plans.

There are a few libraries that are widely used along the whole software stack and has being providing good services to the OSS community for a long time, but none can claim the top spot reserved to zlib.

First released in 1995, it is responsible for providing fast and efficient data compression to the whole soft stack (i.e. Linux kernel, Apache, Firefox, Android to name a few), being patent free and with a liberal license.

The question is: could we make it any faster? Specially on mobile devices?

This talk will explain how an investigation started about one year ago targeting to accelerate zlib performance on ARM processors using SIMD techniques (i.e. NEON).

Performance gains of 1.5x to 2x in decompression were reached and this optimizations were later ported to Intel (SSE3) and is shipping in Chromium, improving the experience of over 1 billion users.

The USB over IP kernel driver allows a server system to export its USB devices to a client system over an IP network via the USB over IP protocol. Exportable USB devices include physical devices and software entities that are created on the server using the USB gadget sub-system. This talk will cover a major bug related to USB over IP in the Linux kernel that was recently uncovered; it created some significant security issues but was resolved with help from the kernel community. Shuah will share the nature of the security problems and how they have been addressed. She will share the lessons learned and the steps she is taking to avoid such issues in the future.

Learn how to take a multi-cloud approach by moving/extending into Azure a workload running on alternative cloud services (Ex. AWS, GCP, OpenStack, etc.) using a fully open sourced and secure VPN solution.

To demonstrate this I will deploy two Cassandra clusters running on top of Kubernetes, one on AWS and one on Azure, and securely connect them to form a ring topology.

This solution can apply to various other scenarios, such as offsite backup to different cloud service providers.