Unfortunately (not really…) the I/O has now stopped. Looking at the CPU usage and load graphs in New Relic it seems the high I/O stopped about two hours ago. I will see if I find anything unusual in the Riak logging around that time and post it. Otherwise I’m just happy that Riak is behaving normal (just like the other nodes).
-Timo > > AAE is disabled in the configuration file. The aae-status shows no AAE > activity was ever performed. > > -Timo > > >> Hi Timo. Did you check if there is active anti-entropy activity? [1] That >> could generate a lot of I/O in the background while building the trees with >> the data needed for automatic repair or running exchanges to verify replicas >> are up to date. >> >> [1] http://docs.basho.com/riak/latest/ops/advanced/aae/#Monitoring-AAE >> <http://docs.basho.com/riak/latest/ops/advanced/aae/#Monitoring-AAE>
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