Most companies usually run hundreds of microservices, but what happens when one or more services fail at the same time? To improve the observability and quality of service, we need to connect these failure points across the distributed topology to reduce the mean time to discover and resolve issues. To understand how Expedia implemented tracing and diagnostics by building a solution called Haystack, Ankita K.S. from the EFY Group had a chat with Shreya Sharma, technical product manager, and Keshav Peswani, software engineer, Expedia Inc., during Open Source India 2018. Excerpts follow…
Q How do you think open source software has developed in India over the past few years?
Around 1997 and 1998, Linux was the only key open source project available but with time, we saw bigger and better companies come up with a lot of open source technologies. For example, at Expedia, we use many of the open source technologies developed by various other companies, as we are in the building mode. India is currently at a great stage, not only as a contributor but also as a creator of open source software solutions. I personally see a very huge change. Several years ago, when I started working, there were hardly any open source contributors. But today, with many key open source players, the scenario has changed for the better.
Q What are the new technologies that have come up in the recent past and how will they impact the future?
Inventions yield yet more inventions. With the growth in the microservices architecture, the need arose for a centralised system for load balancing, traffic managing, routing, health monitoring, etc. This is where a service mesh comes into the picture. A service mesh is a new architectural paradigm to facilitate these services on a platform level and it frees the application writers from those tasks. Istio and Linkerd are the most popular ones.
We’ve also observed growth in container orchestration systems like Kubernetes, Mesos and Marathon, which handle the infrastructure layer in a more efficient manner.
Q What is the main problem with respect to microservices?
This story is from the January 2019 edition of Open Source For You.
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This story is from the January 2019 edition of Open Source For You.
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