What is migration in the context of a database?
Middle
165
DevOps
What is a role and a task in Ansible, and how do they relate to each other?
Middle
165
What will happen if two consumers are not separated into different consumer groups?
Middle
165
Which Istio entity describes the technical connection rules to a specific resource, such as TLS mode?
Middle
164
How are playbook tasks executed by default on multiple hosts — sequentially or in parallel?
Middle
164
What steps are needed to deploy a built component in Kubernetes?
Middle
163
Tell us about yourself, your work experience, what tools and approaches you have encountered in your last team, and how the work was organized.
Middle
162
What happens to the database query if the application (client) that made the request was killed (for example, crashed)?
Middle
161
What exactly tracks whether migrations have been performed — the Postgres itself or a separate tool?
Middle
160
Have you ever worked with a query plan? How to understand why an SQL query runs slowly?
Middle
160
Does a regular VACUUM free up disk space? Which command actually frees up space?
Middle
159
What is VACUUM and why is it needed?
Middle
159
How to ensure that migrations are run only once (not repeatedly on each deployment)?
Middle
157
What is Istio Gateway responsible for?
Middle
154
How to organize the process of forming the database structure (tables, directories) for a new application, and how to automate it?
Middle
153
What is a Docker image and how to obtain it from code?
Middle
153
What is the minimum unit that Kubernetes operates on (Pod)? How does it relate to a container?
Middle
152
How to organize log collection from multiple Java applications in a cluster if there is no access to the nodes (only to the ones deployed by ourselves)?
Middle
152
If you upload a file to a project, what actions should be taken to push it to a remote repository?
Middle
151
If there are two consumers and we want both to receive all messages from the topic, how should they be configured?
Middle
151