Archive for February, 2017

Restart your Mongos after maxConsecutiveFailedChecks

Take it literally. If you configured your MongoDB config servers as a replica set and for some reason, say a network outage, Mongos server lost connection to all of them and is not able to reconnect during maxConsecutiveFailedChecks attempts then, surprise, it becomes useless. Even if the network is up and running again, Mongos will […]

Posted on February 9, 2017 at 5:03 pm by sergeyt · Permalink · Leave a comment
In: MongoDB

Watch “Monitorama 2016: All of Your Networking Monitoring is (probably) wrong” talk

Just came across this talk being mentioned in the comments on Hacker news and, boy, it’s absolutely amazing! Watch this hilarious talk here – Monitorama 2016: All of Your Networking Monitoring is (probably) wrong Btw, the talk is presented, presumably, by the same guy who wrote Monitoring and Tuning the Linux Networking Stack: Receiving Data […]

Posted on February 8, 2017 at 11:55 am by sergeyt · Permalink · Leave a comment
In: Linux