@abananabag I was running 4.4 backport kernel before on that machine, so I'm not 100% sure it's spectre or meltdown.. could also be the new Intel microcode, not sure if I can revert that..
but I'm trying to monitor a bit around what is needing that much IO since upgrade.. (I do see a bit more use by apache)
@Maescool What IO channel is being waited on? High IOwait for my boxen has almost always meant disk access.
@abananabag pretty sure it's disk IO, since that IO went a bit up
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