Reducing Clickhouse Storage Cost with the LowCardinality Type – Lessons from an Instana Engineer

At Instana we are operating our Clickhouse clusters on m5.12xlarge AWS EC2 instances and similar sized custom build Google Cloud instances. The biggest cost driver however is not the size of the instance, but the EBS volumes / persistent SSDs that are attached to the instances. Every single one of our 12TB volumes costs $1320 per month in AWS and $2,040 per month in Google Cloud.

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