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Limit on number of threads in lambda

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Hi, Lambda documentation specified that there is a limit of 1024 on the execution processes/threads for a lambda function. Just wanted to know one thing that, If a function is invoked multiple times and same execution environment is used, then will it be 1024 for each invocation or all invocations will share that 1024? Example - 2 invocations (not concurrent) will have limit of 1024 or 2048?

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Raguram
feita há um ano2389 visualizações
1 Resposta
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Hi,

at any time the lambda function is executing you have a limit of 1024 running threads/processes.

Any threads/processes that have not exited when the lambda execution is suspended at the end of an invocation will be resumed at the next invocation. They will therefore count against the limit.

Cheers,

Massimiliano

AWS
ESPECIALISTA
MassimilianoAWS
respondido há um ano
  • Raguram
    há um ano

    Thanks for the response Massimiliano. So the limit of 1024 is per instance and not per invocation right? If the same instance is used for 2 invocations, the limit of 1024 will be applicable instead of 2048. Please let me know if i am missing anything.

  • Uri ESPECIALISTA
    há um ano

    This is correct. Each instance has the 1024 limit. If you create a thread each invocation and you do not kill it, after ~1024 invocations in the same instance, you will fail to create the new thread.

  • Raguram
    há um ano

    Thanks Uri for clarification

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