Insights into Company
← PHP & Laravel

Queues, Jobs, Batches and Cron

Understand the idea. Compare it. Explain it. Test yourself.

Question 1 of 8

Why move slow work to a queue?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 2 of 8

How do you create and dispatch a queued job?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 3 of 8

How do retries, backoff and failed jobs work?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 4 of 8

What is a Laravel job batch?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 5 of 8

How do you track batch completion?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
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Question 6 of 8

How does the Laravel Scheduler work?

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  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
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Question 7 of 8

What does the system cron entry execute?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
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Question 8 of 8

How do withoutOverlapping() and onOneServer() prevent duplicate work?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this