This document summarizes a presentation about Microsoft's Log Analytics SaaS service, which uses Apache Solr. It discusses the challenges of supporting a multi-tenant service at scale, including bottlenecks in Solr Cloud and performance issues with wide queries. The presentation describes Microsoft's approach to addressing these challenges through workload management across Solr clusters, centralized configuration, and querying cold storage clusters to improve query performance. It concludes by discussing next steps to further optimize Solr for the log analytics scenario.