Tired of monitoring dozens of metrics that produce no actionable value, and then still struggling with website outages?
After 10 years of solving IIS performance problems at LeanSentry, we’ve developed a practical model for tuning IIS website performance. Get the full system in our new IIS monitoring guide.
High CPU usage in the IIS worker process can cause poor IIS website performance … even if the processor is not completely overloaded.
This can lead to high CPU hangs, 503 queue full outages, and higher-than-needed cloud costs.
Learn why it happens and how to fix it in our High CPU usage in w3wp.exe guide.
Reduce your cloud hosting costs 2x or more with a measured memory-based recycling strategy.
Check out our full guide to reduce IIS worker process memory usage with LeanSentry memory diagnostics.
For more tips on how to properly restart IIS websites with minimal production impact, check out our Restart IIS guide.
10 nifty commands I use to find and recycle specific IIS apppools, instead of hammering the server with an IISRESET.
See the right way to recycle application pools at our Restarting IIS expert guide.
Tune the IIS thread pool to improve website RPS, and resolve 503 Queue Full errors.
Check out the full guide at https://www.leansentry.com/guide/iis-aspnet-hangs/iis-thread-pool.
Expert guide for configuring your IIS application pool for maximum availability, despite recycling, startup delays, and cold starts.
Get the full guide and ConfigureWarmup tool on Maximum IIS application pool availability.
First guide in our expert IIS guide: how to effectively reset and restart IIS services, websites, and application pools.
The difference can be minutes of downtime on your server (or worse).
See the full recommendations on How to correctly reset, restart, and recycle IIS websites.
I am writing down everything I know from working with thousands of IIS websites over the last 10 years.
This week’s How-To: recover from a failed CPU profiler that has frozen your process in production. Plus a trick to temporarily suspend/resume any process you don’t want to be running.
In case you missed it, LeanSentry How-To last week was about removing slow or unhealthy Azure instances from your cloud service. It’s a relatively new technique made possible by a new Azure API, that lets you remove a specific instance of your choosing. Direct link: LeanSentry How-To: Remove unhealthy or slow Azure instances Reasons to … [Read more…]