You mention "Pod restart", does this mean you're deploying NiFi into Kubernetes? If so, you will need to mount an external Persistent Volume into the Pod as a directory that you can use for the Persistent Directory of the DistributedMapCacheServer.
We've used NiFi Kubernetes and successfully persisted DMC data between Pod restarts using this approach. --- *Chris Sampson* IT Consultant chris.samp...@naimuri.com <https://www.naimuri.com/> On Wed, 18 Aug 2021 at 04:01, Ravneet Cheema <ravneet.che...@macrohealth.com> wrote: > Hello , > > > > I am using DistributedMapCacheServer with setting of Persistent Directory. > I can see contents of cache in the directory, but the contents do not > survive nifi restart . > > Older values from cache should be available after restart, right ? > > I have attached template where I have configured client and distributed > map cache server. > > Based on answer in following link , data in cache should be available on > restart. > > https://community.cloudera.com/t5/Support-Questions/How-to-update-nifi-cache-on-nifi-service-restart/td-p/225434 > > Please provide insights on how I can achieve a persistent cache in which > data survives pod restart . > > > > Thanks, > > Ravneet > > >
