Tasneem
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Articles
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How to enable security on an existing cluster without disrupting traffic
ContextIn order to enable security on an existing cluster, you must enable it in a rolling fashion. However, new users cannot be created, roles cannot be assigned, and privileges cannot be granted ...
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Why do I see years of lag after enabling XDR
Problem DescriptionAfter enabling XDR statically for the first time, the XDR lag metric shows that there are years of lag. Admin+> info xdr ~~~~~~~~~~~~~~~~~~~XDR Information dc2 (2026-01-27 18:17:...
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How to enable Core dumps on RedHat/CentOS?
ContextWe may need to enable Core dumps to help investigate stack traces.Method systemd environments Create a location for the Core files sudo mkdir -p /opt/corefiles/ chmod 0777 /opt/corefiles Se...
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How to ensure Trino connector is installed properly
ContextProblem When starting Trino (or Starburst) with the Aerospike connector, the server logs show multiple versions of the trino-aerospike connector being loaded. For example: grep -i trino-aero...
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Duplicate events in Kafka coming from the Aerospike connector
Problem DescriptionDuplicate record events are observed in Kafka, even for records that have not been updated after a connector configuration change. In the connector logs, errors similar to any of...
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Set the namespace encryption key using Secret Agent
ContextProblem How can Aerospike retrieve an encryption key from an external secrets store when configuring device encryption? Context Aerospike Secret Agent provides a unified interface for integr...
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Aerospike Kubernetes Operator is using a deprecated pod affinity selector label
Problem DescriptionThe Aerospike Kubernetes Operator may reference deprecated Kubernetes node labels for pod affinity, such as: failure-domain.beta.kubernetes.io/region failure-domain.beta.kubernet...
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How to configure mTLS on xdr-proxy with NLB
ContextAWS Application Load Balancer (ALB) operates at Layer 7 and expects HTTP/HTTPS traffic. Because the Aerospike XDR proxy communicates using raw TCP with TLS, ALB cannot be used for TLS passth...
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How to fix ABS error "restore failed: failed to process data: invalid namespace
Problem DescriptionWhile setting up Aerospike Backup Service (ABS), the following error was observed in the restore file. "error": "failed to restore routine dailyLocalBackupRoutine, namespace test...
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How to Recover Shared Memory (shmem) Usage with Rolling Cold Start
Context To recover shared memory usage, nodes must perform a rolling cold start, which rebuilds the primary index from storage. ⚠️ Important: You may not want to cold start if: You do not handle ...