Hi Greg Can you try running a test with the same config but without the io-threads translator? It has undergone some changes lately that might be the cause here. However, cursory look at the code suggests something else. Still, no harm in eliminating one potential reason. Thanks Shehjar Greg wrote: > Hi, > > I've just upgraded to 2.0.0-rc7, and add read-ahead + io-cache > translators on server side, and got this error on both servers :
