What are the advantages and disadvantages of TimescaleDB compared to Postgres?
Java
В чем разница между newFixedThreadPool и ForkJoinPool?
Tell me about ConcurrentHashMap and how it differs from Hashtable.
How did you configure a fault-tolerant Kafka cluster?
What problems occur with value recording in Redis Cluster?
How to restore a database to a specific point in time (PITR) given a dump from 50 minutes ago?
In which case does a write to disk occur in the database?
Did business roles participate in team processes within the sprint?
If an application has a heap of 3GB and a container of 3.1GB, and the application crashes without OOM in logs, why is that and how can it be fixed?
If the last 5 messages out of a batch of 50 fail with an error during reading, what will happen to the offset?
What are Docker Volumes used for?
Зачем нужно разделение по слоям (Layered Architecture) и какие ошибки часто совершаются?
Tell about the SOLID principles.
How to implement a local cache with thread-safe write for a specific key?
What is your favorite architecture? Tell us about DDD.
Have you worked with Kubernetes and Docker?
How did you perform data deduplication?
What memory areas exist in JVM and what are they responsible for?
What exactly did you do with the messages (processing)? How resource-intensive was the processing?
Tell me about the HashMap data structure.