Articles tagged Oracle Enterprise Linux

19 August 2013
19 August 2013

High load average, high IO wait, slow process startup, slow RAC communications

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We have been having performance problems on our test Exadata for several months. I have opened five Oracle service requests for multiple symptoms. While the cpu utilization was fairly low, Oracle background processes would hang, the OEM 12c agent would hang, backup jobs would hang, we would experience slow communications between RAC nodes, half of the cpus would be in… Read more