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Using Toil to run Cactus, a Full-Genome Alignment with Autoscaling on AWS

This workflow was tested and run using Toil 3.12.0.

Before proceeding, please follow the steps in the Toil Autoscaling with AWS Tutorial necessary for the initial setup of a toil leader node. 326 more words


Debugging a Toil Mesos Leader Node that was launched through AWS

If you’ve launched a toil cluster and it is continuously trying to connect, here are some helpful debugging steps:

Copy the public ip of the machine launched (in other words, the mesos leader node; you should be able to see this in EC2). 59 more words


Toil Resources

This lists some resources for running toil. Specifically a list of coreOS AMIs and the toil/mesos docker image repo on quay.io.

coreOS AMIs

Premade coreOS AMIs for Toil’s autoscaling instances (which run a mesos docker image on coreOS)*: 152 more words


How do I create a scaling step with a null lower bound of -infinity?

I reading scaling policy doc

There are a few rules for the step adjustments for your policy:

The ranges of your step adjustments can’t overlap or have a gap.

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The UI for configuring auto scalling policy is confusing me

Very confused about what I’m seeing in the console.

  1. I create an alarm for >=81% CPU
  2. I select that alarm for a step policy
  3. Set number of instances I want to scale on…
  4. 172 more words

Credential Setup: Toil Autoscaling with AWS

This post will cover credential setup and the initial launching of a toil autoscaling cluster.

Note: To manage autoscaling, toil mimics a mesos cluster by spinning up an AWS EC2 instance with a docker image of a mesos leader node. 692 more words


AWS Dynamo not auto-scaling back down

Here are the parameters I have set on the table:

And here is what I see for the capacity over time.

Why is it remaining at 25 write units? 96 more words