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Displaying posts with tag: hyperconverged infrastructure (reset)
Hyperconverging and Galera cluster

What is hyperconverging?

Hyperconverging is the latest hype: do things more efficiently with the resources that you have by cramming as many virtual machines on the same hypervisor. In theory this should allow you to mix and match various workloads to make the optimum use of your hypervisor (e.g. all cores used 100% of the time, overbooking your memory up to 200%, moving virtuals around like there is no tomorrow). Any cloud provider is hyperconverging their infrastructure and this has pros and cons. The pro is that it’s much cheaper to run many different workloads while the con clearly is when you encounter noisy neighbors. As Jeremy Cole said: “We are utilizing our virtual machines to the max. If you are on the same hypervisor as us, sorry!”

Apart from cloud providers, you could hyperconverge your infrastructure yourself. There are a few hardware/software vendors out there that will help you with that and at one of my …

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Is Galera trx_commit=2 and sync_binlog=0 evil?

It has been almost 5 years since I posted on my personal MySQL related blog. In the past few years I have worked for Severalnines and blogging both on their corporate blog and here would be confusing. After that I forgot and neglected this blog a bit, but it’s time to revive this blog!

Speaking at Percona Live Europe – Amsterdam 2019

Why? I will be presenting at Percona Live Europe soon and this blog and upcoming content is the more in-depth part of some background stories in my talk on benchmarking: Benchmarking should never be optional. The talk will mainly cover why you should always benchmark your servers, clusters and entire systems.

If you wish to see me present, you can receive 20% discount using this code: CMESPEAK-ART. Now let’s move on to the real …

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