The issue that was causing performance issues on CIM 6 has been resolved.
Posted 5 days ago. Jan 11, 2019 - 11:11 PST
Our engineers have identified an issue which is affecting the performance of CIM 6. We have taken steps to help mitigate this issue. At this time CIM 6 should be usable although it may run a bit slow. We will send an update when the issue is resolved and CIM 6 returns to its normal performance levels.