Matillion ETL Job Concurrency Overview
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Questions and Answers

What is the default number of jobs that a Matillion ETL instance allows to run concurrently?

  • 8 jobs
  • 12 jobs
  • 20 jobs
  • 16 jobs (correct)
  • How does the number of vCPUs on a Matillion ETL instance affect the maximum number of processes that can run in a single job?

  • It has no effect
  • Each vCPU allows 3 processes
  • Each vCPU allows 2 processes (correct)
  • Each vCPU allows 4 processes
  • What happens when a job queue consists of running one job 16 times?

  • All jobs run sequentially (correct)
  • Jobs run based on priority
  • All jobs run concurrently
  • Only one job runs
  • What is an unbound queue in the context of Matillion ETL's job submission?

    <p>A queue with no imposed limit on size</p> Signup and view all the answers

    How do long-running jobs submitted in multiple instances affect scheduled jobs?

    <p>They prevent the scheduled jobs from running</p> Signup and view all the answers

    What determines the maximum number of processes that can run inside a single Matillion ETL job?

    <p>Number of vCPUs on the instance</p> Signup and view all the answers

    What happens when you launch Matillion ETL with an instance having many more vCPUs than suggested?

    <p>It can increase the number of processes that can run in a single job</p> Signup and view all the answers

    How does running multiple instances of a long-running job affect job scheduling?

    <p>It can conflict with scheduled jobs</p> Signup and view all the answers

    What could happen if long-running jobs conflict with a scheduled job?

    <p>&quot;The scheduled job may not run at its scheduled time&quot;</p> Signup and view all the answers

    What is recommended to use in these scenarios?

    <p>Micro-batching pattern</p> Signup and view all the answers

    How are validation tasks submitted in Matillion ETL?

    <p>Via the task runner</p> Signup and view all the answers

    What happens when the maximum concurrency limit is reached in Matillion ETL?

    <p>Validation times may increase</p> Signup and view all the answers

    In an HA Cluster, how are jobs distributed across nodes?

    <p>Randomly</p> Signup and view all the answers

    What is important for jobs running on an HA Cluster when a node fails?

    <p>Making the job idempotent</p> Signup and view all the answers

    What does the warning about transformation jobs highlight?

    <p>Multiple instances of the same transformation job cannot run in parallel</p> Signup and view all the answers

    What behavior is observed when using a Run Orchestration component?

    <p>Jobs are queued at the sub-job level</p> Signup and view all the answers

    What does Matillion's Multiple Environment Connections feature enable users to do?

    <p>Run multiple ETL jobs across multiple connections</p> Signup and view all the answers

    Why should users avoid running multiple instances of the same transformation job at once?

    <p>'Deadlocks' can occur and high availability may be compromised</p> Signup and view all the answers

    What is the number of default threads allocated for each pool when a job is running?

    <p>$2 \times n$ Vcores</p> Signup and view all the answers

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