About Hi, I'm Nick Craver - a Developer and SRE (Site Reliability Engineer) at Stack Overflow. 4 This is an experiment in openness. You vote on topics you're most curious about and I'll go down in order for the blog posts. If there's a topic you want and don't see, ping me at @Nick_Craver on twitter and I'll add it. Or, just comment on this card. 1 24 The next post in queue is... Monitoring 185 7 Topics Duplicate Answers 28 1 Badge Processing 25 Bug Testing 41 3 Ticket Management (Meta) 17 1 User Idea Implementation 17 1 Security Testing 78 3 DNS 25 1 Load Balancing (HAProxy) 158 5 Disaster Recovery 43 Backups 40 3 Profiling 56 Memory Analysis 47 2 Scheduled Jobs 57 1 Databases 76 9 Caching (Redis) 170 8 Network (20Gbps, redundancy, etc.) 38 Redundancy 25 Search (Elastic) 121 6 More Topics The problems Jon Skeet creates 154 2 When shit hits the fan 99 2 Client Timings 12 Dev (Server) Environment 63 Tag Engine 41 4 Stack Overflow: an update on the long road to SSL 34 Developer Machines/Environment 84 4 VMs vs. Physical 72 Remote Work 87 OSS Libraries 17 Opserver 34 1 1 Dapper 42 4 MiniProfiler 21 1 1 Bosun 18 Dogfooding our libraries before NuGet 10 TeamCity 34 2 Gitlab 45 4 LESS for hundreds of sites 12 1 Multitenancy 46 SQL Server Clusters 28 Even More Topics Mistakes 121 1 The Denver data center build 7 Disasters 63 Internal Service APIs 24 1 Data Explorer 5 Picking the "best" technology for the job, for our situation. 30 "DevOps" 58 The top bar across all sites (network-wide aggregated data) 6 Why do we have an RDP server with 192GB of RAM, 2TB of SSD, and 32 cores? 74 3 Websockets 104 2 Making a decision now vs. making the perfect decision. 38 Hardware - how do we choose and spec servers? 18 1 Failovers: how do we switch between ISPs, database servers, load balancers, and data centers? 27 Exception Logging 82 3 The downsides of efficiency 20 2 And some more StackOverflow.sln (Visual Studio) 188 4 On-Prem vs AWS, Azure, etc. - Why the cloud isn't for us. 136 3 The code: what do you want to know? (add comments!) 46 25 Why do we run with 90-90% server headroom? 24 1 Why do we run a mixed stack? 32 2 Licensing: the ups and downs 31 1 Things we had to do that 99.99% of people should not worry about. 60 1 /jobs on Stack Overflow - how we made 2 apps work together in about a month. 11 Technologies we evaluated or used, how we broke them, and what we use now. 70 Localization (Moonspeak/Translations) 84 1 Power 1 1 Why we don't use www. domains 48 1 Database Migrations 23 2 Trying other platforms (Node.js) and returning to .Net 68 Topics: lessons/skills I learned on the way Learning to zoom 19 Time is your by far most valuable and constrained resource 32 1 Taking the time to debug, even if it's not your code 23 Caring less 30 1 Premature optimization isn't the same as not designing yourself into a corner. 43 1 Why we're open 47 Current thoughts Oh no, what have I done? 10 2 Windbag is 1 letter away from WinDbg, coincidence? 5 I have a treadmill desk, should I try a WPM test at every speed notch? 6 1 Done Deployment 147 9 Continuous Integration 113 7 Hardware overview - this was just too big to include in architecture so I'll do a brief follow-up post. Architecture overview - the high level to get a picture of it all for all of the specific posts. 18 4 This board and the upcoming posts 1