<story><title>How Cloudflare analyzes 1M DNS queries per second</title><url>https://blog.cloudflare.com/how-cloudflare-analyzes-1m-dns-queries-per-second/</url></story><parent_chain></parent_chain><comment><author>ndr</author><text>If you are reading this comment before the article: they use Yandex&amp;#x27;s OLAP solution, ClickHouse, and Kafka.&lt;p&gt;The whole article explains how and why they got there, it is actually very well written!</text></comment>
<story><title>How Cloudflare analyzes 1M DNS queries per second</title><url>https://blog.cloudflare.com/how-cloudflare-analyzes-1m-dns-queries-per-second/</url></story><parent_chain></parent_chain><comment><author>otterley</author><text>The XFS &amp;quot;lock up&amp;quot; issue is concerning -- it&amp;#x27;s been a very long time since I&amp;#x27;ve seen any showstopping issues with that filesystem.  Is anyone aware of what&amp;#x27;s going on there?</text></comment>