Hi, I have gone through multiple community support link, where it is mainly saying  to start cluster, say, 50MB/s And 1000 events/sec sustained throughput for average Flow is: 3 nodes each with: CPU: 8+ cores (16 is preferred) Memory: 8+ GB Disk: 6 disks, each 1TB disks (could be spinning or SSD) Referred link: https://community.cloudera.com/t5/Community-Articles/NiFi-Sizing-Guide-Deployment-Best-Practices/ta-p/246781 My Nifi (version 1.23.2) cluster maintaining below hardware configuration, where Disk is a concern in my environment. Only one disk and all the repository is using the same default Nifi configuration. What will be expected throughput in these case ? 3 nodes each with: CPU: 8+ cores (16 is preferred) Memory: 8+ GB Disk: 1 disk of 500GB (could be spinning or SSD)   5 nodes each with: CPU: 8+ cores (16 is preferred) Memory: 8+ GB Disk: 1 disk of 500GB (could be spinning or SSD)   7 nodes each with: CPU: 8+ cores (16 is preferred) Memory: 8+ GB Disk: 1 disk of 500GB (could be spinning or SSD) ... View more

Hi, I am using 3 node NiFi (Version: 1.23.2) cluster. If a node goes down, it is known that the flow can be directed to another node, but what about the data that is queued in the failed node? Is there anyway to replicate the data from failed node to other node? or will have to wait until the node comes back up? Please explain how to handle this scenario. ... View more

Hi, I have 3-node Nifi cluster using self signed certificate. and that is working fine. Now I want to run these 3 node Nifi UI (port 8443) behind Load Balancer. The changes I have in nifi.properties file is:   nifi.web.proxy.host=localhost:8443,nifiinstance-group-1:8443,<load-balancer>   All Nifi UI has same credential. and loadBalancer is using HTTP connection. Now, Nifi UI is coming up, but while passing the credentials it is throwing error:     there is no such error in nifi logs: 3X.XX.XX.XX - - [28/Dec/2023:11:03:12 +0000] "GET /nifi/ HTTP/1.1" 200 21126 "http://3X.XX.XX.XX/nifi/login" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"   Please guide me with the root cause if this problem and how to solve this? ... View more

Hi Team, I already created 3 node Nifi secured cluster with self signed certificated , where I used nifi-toolkit to do the task. But now I have signed certificate (shared by IT team), the pem and key file. Can you please help (step by step guide) to create 3 node nifi cluster using that certificate? ... View more

Hi Team, We are Using Apache Nifi to Publish events to PubsubLite using (PublishGCPubSubLite 1.17.0) Nifi processor. GCP SA json files contains below field: { "type": "service_account", "project_id": "", "private_key_id": "", "private_key": "", "client_email": "", "client_id": "", "auth_uri": "", "token_uri": "", "auth_provider_x509_cert_url": "", "client_x509_cert_url": "" }   We tried using type:"service_account" and it is getting failed to communicate. and we are getting the below error,   PublishGCPubSubLite[id=7f9baf80-0184-1000-ffff-ffff8ec321b3] Failed to create Google Cloud PubsubLite Publisher: com.google.api.gax.rpc.UnauthenticatedException: io.grpc.StatusRuntimeException: UNAUTHENTICATED: Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project. - Caused by: io.grpc.StatusRuntimeException: UNAUTHENTICATED: Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project. From Nifi server we tested the connectivity and credential, it is working: ./google-cloud-sdk/bin/gcloud auth login --cred-file gcp.json Authenticated with service account credentials for: [****@****.iam.gserviceaccount.com]. Your current project is [None]. You can change this setting by running: $ gcloud config set project PROJECT_ID Please suggest how to make connection to PubsubLite on Apache Nifi ... View more