What is the ratio of clicks to impressions called?
Golang
Why did you decide to split the monolith into 3 independent services? What was the justification?
Have you used anything other than the default index? What is a stored function and procedure?
Can you highlight a memorable case you are proud of?
Tell me about yourself: where do you work, what do you do?
Tell me about Legion, what did you do there, what kind of team was it?
Why is Redis needed if it simply returns data from memory quickly?
What is a panic in Go?
package main import ( "fmt" "time" ) func main() { } func printNumber(n int) { time.Sleep(time.Second) fmt.Println(n) }
Have you encountered advertising metrics? Do you know what they are measured in?
Tell me about ClickHouse — how it stores data on disk (columnar storage), why you can't change the ORDER BY of an existing table, only add new columns at the end?
What is the difference between passing a slice and an array to a function?
There is also a shipping process — they took and moved 5 meat grinders from the region to other regions, to the city. How is this handled?
How do you rate your own grade?
A achievement case you are very proud of — the most memorable challenge.
How much memory is allocated when creating a goroutine (minimum and maximum)?
We brought 20 meat grinders, shipped 5 — how many are left in the warehouse and what is the current system status?
What is the coolest project or feature you are proud of?
How did you work with bugs in production? Services in Kubernetes — if something went wrong, how did you troubleshoot?
What are the main parts of the Transactional Outbox system?