Undiagnosed High FSM Time

Alex Wolfe alex at activeprospect.com
Tue Jan 26 14:40:58 EST 2016

We have a 5 node Riak cluster running 2.1.1. This morning FSM Time (99th percentile) went way up. We couldn't find any clear signs of trouble with the cluster and ultimately chose to move the data files and restart the nodes. Once we started with an empty DB, the FSM Time normalized. But now it's headed back up again. We're stumped on how to trouble shoot this issue. Any suggestions?

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