![]() The distinguishing orange-black-white of the calico is a genetic mutation that can be traced back to Egypt. The calicos we’ve met have been lovingly and adorably spunky, and excellent additions to their families! There are always other factors that come into play, such as their socialization and kittenhood environment. Because calico refers to coat characteristics and not a breed, it’s possible for calicos to have a wide range of dispositions. So, what’s the bottom line? All calicos are unique. There was also the possibility that parents mistake behavior as aggressive when, in actuality, it was an anxious response to stimuli. Researchers did acknowledge that other factors may be influencing a cat’s personality as well, like their breed, if they are neutered or not and what their home environment is like. This poses much leeway on the definition of “aggressive behaviors.” Without a standard measurement of “aggression,” it is easy to get a wide range of what constitutes and does not constitute aggression. The researchers did not directly observe the cats and their behavior. A 2015 study out of the University of California, Davis found that calico cat’s families reported that calicos may be more likely to hiss or otherwise say “back off” more often when compared to reports by cat parents of cats with other colors. Often called playful, affectionate and strong-willed, calicos have a reputation for being quirky. As every calico is unique and from different heritage, their stats may range from 1-5 based on the individual. That said, with so many cat parents saying they love their calico’s quirky nature, consider a calico if you’d like a kitty that will tell you what’s on her mind. It may just be that calico lovers enjoy this perception and it’s been perpetuated. Rumored to be a bit feistier than other cats, recent studies confirm that pet parents have this perception, but NOT that calicos have this behavior. Calico personalities can be as varied as their coats. Despite rumors to the contrary, calico cats are not all female, either-out of every 3000 calico kittens, one might be male! Several breeds of cats and mixtures of domestic cats can be calicos, including the American shorthair, Siberian and Japanese bobtail. “Dilute” calicos may have gray, beige and white instead. Instead, calico refers to their tri-color coats which include black, orange and white. Hence Typha is not optional, but is a necessary component of your Calico deployment for any decent-sized production cluster.Search Articles: Submit Search Close Search FavoritesĬalico cats are wonderful! Keep in mind, calico cats are not a breed. ![]() By having Typha, all the watch events are off-loaded to Typha and read only once from the API server. Without Typha, every calico-node would have to register its own watch with the API Server, and the load on the API server would multiply as you scale up the number of nodes. The watch events, which are very frequent given the dynamic nature of configuration and pods, are handled by Typha. Whereas calico-node does create, update, delete, patch, get, and list on resources. When reviewing the clusterRoles, you will see that Typha is primarily doing get, list, and watch. An instance of Typha sits between the datastore (such as the Kubernetes API server) and many instances of Felix.Īnother way to understand this is to simply generate a clusterRole from the audit logs of Typha and calico-node. This significantly reduces the load on the API server. It watches for changes in various resources, and does a fan-out to all its clients (calico-node). If you watch the raw log pattern from gist, above, the bulk of API calls from Typha are watch events. The key point is that API calls from Typha will remain constant as you scale the cluster. As you can see, there’s a massive difference between the API calls generated from Typha vs. I also sent the logs over to Elasticsearch, and here’s a simple plot for comparison. ![]() If you ignore the license key API calls from calico-node, you will see that the API calls from calico-node are an order of magnitude smaller than the API calls from Typha. CalicoCon + Cloud-Native Security Summit.Application-Level Security and Observability.Full-Stack Observability powered by eBPF. ![]() Workload-based IDS/IPS, DDoS, DPI, and WAF.Multi-Cloud, Multi-cluster Networking, Security, Observability and Distros.Compare Products Open source, Cloud and Enterprise.Calico Enterprise Zero trust security for Kubernetes.Calico Cloud Security for containers and Kubernetes.Calico Open Source eBPF-based networking and security. ![]()
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