we are running multiple Meteor instances for a live chat application. Since 2 days I’ve noticed some very high CPU usage on our servers, even the pub/sub response times have increased (from about 20ms up to 200ms). After checking the Kadira logs, I’ve found this:
oplog.rs takes up to 2600ms. This is a very high value, so I’m wondering if there are any ways to improve it? Or should we go back to Meteors polling solution and set a small pollingInterval value (f.e. 1 second)?