What is high concurrency?

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What is high concurrency?

Concurrency, or concurrent data processing, is simultaneous access and/or manipulation of the same data. This is not to be confused with parallel processing, which is multiple operations happening at the same time, but not against the same data.

What is concurrent application?

An application can be concurrent, but not parallel. This means that it makes progress on more than one task seemingly at the same time (concurrently), but the application switches between making progress on each of the tasks – until the tasks are completed.

How do I prepare for LLD?

How to Prepare for the LLD Interview

  1. Learn at least one Object Oriented Language ( C++ / Java / Python or C# )
  2. Study about the SOLID and other Object Oriented Principles.
  3. Learn all the common Design Patterns and their applications.
  4. Explore some open-source projects and try to understand the best practices.

What is high-level design in software engineering?

High-level design (HLD) explains the architecture that would be used to develop a system. HLD applies to both software and hardware, often hardware is forgotten in system development and only software is discussed.

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Which database is best for concurrency?

Infrastructure for Highly Concurrent, High Write DB

  • MySQL Sharding.
  • MongoDB Cluster.
  • Cassandra.
  • Hadoop & MySQL (Hadoop caches, single dump to MySQL)
  • MongoDB & MySQL (instead of Hadoop, we use mongo for cache)

What are the best practices of snowflake?

10 Best Practices Every Snowflake Admin Can Do to Optimize Resources

  • Best Practice #1: Enable Auto-Suspend.
  • Best Practice #2: Enable Auto-Resume.
  • Best Practice #3: Set Timeouts Appropriately for Workloads.
  • Best Practice #4: Set Account Statement Timeouts.

How do you handle concurrency?

The general approach to handle a concurrency conflicts is:

  1. Catch DbUpdateConcurrencyException during SaveChanges .
  2. Use DbUpdateConcurrencyException.
  3. Refresh the original values of the concurrency token to reflect the current values in the database.
  4. Retry the process until no conflicts occur.

What is a concurrency flaw?

A concurrency bug is an (undesired) outcome that arises if two programs are run at the same time that does not show up if the two programs are run sequentially, one after the other.

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Which is better concurrency or parallelism?

Concurrency is the task of running and managing the multiple computations at the same time. While parallelism is the task of running multiple computations simultaneously. 2. While it improves the throughput and computational speed of the system.

Is concurrency better than parallelism?

Concurrency is about dealing with lots of things at once. Parallelism is about doing lots of things at once . An application can be concurrent — but not parallel, which means that it processes more than one task at the same time, but no two tasks are executing at the same time instant.