Load Balancing on Elastic Kubernetes Clusters
Sruthi Anumula, Senior Database Support Engineer
March 7, 2023
Your long-running sessions could fail after you deployed Vertica on Elastic Kubernetes Cluster (EKS) with Load Balancer as the service type. When the load balancer type is not specified in yaml, by default, EKS generates a classic load balancer with a default connection idle timeout of 60 seconds. The aws-load-balancer-connection-idle-timeout can be set up to...
High Availability for a Vertica in Eon Mode Database with Read-Only Mode
Sruthi Anumula, Senior Database Support Engineer
January 9, 2023
When Vertica is deployed in Eon Mode, there are two major requirements for high availability: maintaining quorum and shard coverage. If either of them is lost, the whole cluster goes down. Before going into details, let us understand what quorum and shard coverage mean. Quorum: In Eon Mode, more than half of the primary nodes...
How to Quickly Install Vertica on Large Clusters
Sruthi Anumula, Senior Database Support Engineer
December 19, 2022
Vertica 12.0.2 introduces a new feature that allows you to install Vertica in parallel on all hosts rather than one at a time as in earlier releases. This reduces the installation time in large clusters. To use this feature, run the --parallel-no-prompts flag with the install_vertica command. This flag can be used only when passwordless...