NFSv4 causing write delay as OpenShift PV
Issue
- We have an application on our Openshift cluster that has scaled to 2 pods. The pods have a PVC with an NFS Persistent Volume where they store their data. The issue is that files written to the storage by one pod are not seen by the other pod for up to several minutes. We suspect that there is caching on the NFS preventing each other to see new data. How can we prevent this?
- We see it as a write delay from the application, how can we prevent this?
Environment
- Red Hat OpenShift Container Platform
- 3.6
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