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2 results tagged scaling x
  • Note: aws auto scaling

    spoiler alert: auto scaling is far to be magical

    as usual with aws, everything is an object and for autoscaling u got several objects and several links between them
    First you define a launch configuration : what type of machine you want to laucnh
    Then an autoscaling group : it will use the launch configuration to create new EC2
    In this autoscaling group, you have to define auto scaling policies ie what to do (remove or add x instances) and link them to a cloudwatch alert (cpu is high or network or whatever cloudwatch monitors)
    the autoscaling group can also be linked to an ELB so when EC2 are added/removed, they also are registred/deregistered from ELB

    March 13, 2017 at 3:49:45 PM GMT+1 - permalink - archive.org - https://links.infomee.fr/?JIGagw
    auto aws scale scaling
  • Scaling Based on Amazon SQS - Auto Scaling

    Beanstalk ne permet pas de définir un trigger basé sur le nombre d'éléments dans la queue SQS pour l'auto scaling des environements de type worker

    Pourtant c'est possible mais il y a un peu de boulot :

    • créer des scaling policies qui vont ajouter ou enlever des instances
    • créer des alarmes cloudwatch qui vont se déclencher par rapport au nb d'éléments dans la queue et appeler les scaling policies..

    http://docs.aws.amazon.com/autoscaling/latest/userguide/as-using-sqs-queue.html
    https://forums.aws.amazon.com/thread.jspa?messageID=722589

    On peut surement intégrer ça à beanstalk avec les .ebextensions (http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/ebextensions.html)

    En plus d'être un peu complexe et pas vraiment intégrer à beanstalk, ça n'a pas l'air très réactif, cet article en parle et donne une solution :
    Rapid Auto Scaling with Amazon SQS : https://aws.amazon.com/blogs/aws/auto-scaling-with-sqs/

    February 28, 2017 at 11:16:08 AM GMT+1 - permalink - archive.org - http://docs.aws.amazon.com/autoscaling/latest/userguide/as-using-sqs-queue.html
    auto aws beanstalk scaling sqs
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