What is a canary in English?
1 : a Canary Islands usually sweet wine similar to Madeira. 2 : a lively 16th century court dance. 3 : a small finch (Serinus canarius synonym S. canaria) of the Canary Islands that is usually greenish to yellow and is kept as a cage bird and singer.
Why is it called Canary deployment?
If you’re wondering why it’s called a “canary deployment,” that’s a good question. Back in the day, miners would put canaries into coal mines as a way to measure the amount of toxic gases that were present. As you can imagine, things didn’t always work out in the best way for the canaries.
Who are the Canaries in a canary deployment?
Today, the figurative “canaries” in canary deployment are small subsets of users who are exposed to new updates before others. They typically have a small window of time to test the rollout and determine if the software is ready for deployment to more or all users.
What does a canary mean in software testing?
In software testing, a canary is a push of programming code changes to a small group of end users who are unaware that they are receiving new code. Because the canary is only distributed to a small number of users, its impact is relatively small and changes can be reversed quickly should the new code prove to be buggy.
What’s the difference between a canary and a canary?
While wild canaries are a yellowish-green colour, domestic canaries have been selectively bred for a wide variety of colours, such as yellow, orange, brown, black, white, and red. (The colour red was introduced to the domesticated canary through hybridisation with the red siskin, a type of South American finch.
Where did the Canary Bird get its name?
It uses a step-by-step rollout process with effective monitoring and rollback options to minimize the risks associated with introducing new software. The name comes from the use of canary birds in coal mines in the past.
What are the characteristics of a canary?
Appearance and Characteristics. Size: Canaries are small, with most birds reaching a size of no more than 6 to 8 inches or so in adulthood. Plumage: While the canary is usually pictured as yellow or green, colorbred canaries have been engineered in a selection of other colors.
What is a male Canary called?
So next time you see a male canary, don’t call him a man canary! Although people understand what you mean, it would be more correct to call him a cock. What is a male caribou called? Now you know that a male canary is called a boar. Go here to learn what the next male animal on our list is called.
What does Canary mean in English?
Definition of canary. 1 : a Canary Islands usually sweet wine similar to Madeira. 2 : a lively 16th century court dance. 3 : a small finch ( Serinus canarius synonym S. canaria) of the Canary Islands that is usually greenish to yellow and is kept as a cage bird and singer. 4 slang : informer sense 2.
What is domestic canary?
Domestic canary. The domestic canary, often simply known as the canary ( Serinus canaria forma domestica), is a domesticated form of the wild canary, a small songbird in the finch family originating from the Macaronesian Islands ( The Azores , Madeira and the Canary Islands ). Canaries were first bred in captivity in the 17th century.