Jason
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457 votesJason
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An error occurred while saving the comment An error occurred while saving the comment Jason
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Hello Andrew,
We had an issue a few months back where one of our applications was having an issue we could not quite figure out. After looking at the database we noticed it was failing over every 10 mins to hour or so for more than a day. The timing of the failovers lead us to finding the self inflicted problem.
Since the failovers led us to the problem it was decided that we should enable it for all of our projects. We have not hit the issue since to gain the benefit, but we have seen the negative with every update/upgrade.
An error occurred while saving the comment Jason
commented
The alert that we get is "Replica set elected a new primary" when the fail overs happen
Jason
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Andrew,
We just had a similar issue to this last night. What happens is that we will get an alert for Disk I/O % utilization on Data Partition has gone above 90 and if it continues we could get a primary election. My guess is the primary node gets so bogged down that an election occurs. So I guess it would be nice to see that the io usage got to the point where it took down the node vs maintenance taking down a node.