Tag: nutanix

Impact of Data locality on DB workloads.
By: Date: July 23, 2019 Categories: Nutanix Tags: ,

In this video I migrate a Postgres DB running PGbench benchmark. The DB is running on a Host which is CPU constrained. Once the VM is migrated to a less busy host the transaction rate immediately increases from ~15,000 to ~20,000. As the DB continues to run on the new host – the Nutanix storage…

Read More →
Install a bitnami image to Nutanix AHV cluster.
By: Date: June 28, 2019 Categories: Nutanix Tags: , , , ,

One of the nice things about using public cloud is the ability to use pre-canned application virtual appliances created by companies like Bitnami. We can use these same appliance images on Nutanix AHV to easily do a Postgres database benchmark Step 1. Get the bitnami image wget  https://bitnami.com/redirect/to/587231/bitnami-postgresql-11.3-0-r56-linux-debian-9-x86_64.zip Step 2. Unzip the file and convert…

Read More →
X-Ray scenario to demonstrate Nutanix ILM behavior.
By: Date: October 25, 2018 Categories: X-Ray Tags: ,

Specifically a customer wanted to see how performance changes (and how quickly) as data moves from HDD to SSD automatically as data is accessed.  The access pattern is 100% random across the entire disk. In a hybrid Flash/HDD system – “cold” data (i.e. data that has not been accessed for a long time) is moved…

Read More →