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Thursday, October 13 • 10:00am - 10:40am
Why is my Solr slow?! (An HTrace Case Study)
Attempting to diagnose distributed system slowness can be one of the most challenging and headache inducing activities for an operations team. Armed with a suite of low level metrics and host monitoring, the first and only option often available is a lengthy process of elimination of each component in the hardware and software stack.

In this session we will learn how to instrument Solr to send distributed tracing data to HTrace. We will then look at some sample traces and learn how to identify slowness in different parts of the entire stack, looking for trends and outliers in the Solr operation. We will complete the session by discussing how to add tracing to your existing client applications for true end-to-end visibility into the performance of your cluster.


Mike Drob

Software Engineer, Cloudera
Mike has been immersed in Big Data for over 5 years, previously with the US Government and now with Cloudera. | | His current role is to provide operational support for Apache Solr, a world-class search engine built on top of Apache Lucene. He is also a hobbyist contributor to several other open source projects including Apache Curator, Apache Accumulo, Apache NiFi, JUnit, JLine, and JCommander. | | When not coding, he likes to mentor... Read More →

Thursday October 13, 2016 10:00am - 10:40am