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Update docs for new compute environment default image #532

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a67b447
Fix typo
victorlin May 21, 2026
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Update docs for new compute environment default image
victorlin May 21, 2026
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17 changes: 9 additions & 8 deletions doc/aws-batch.md
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Expand Up @@ -364,11 +364,12 @@ but Amazon's prorated billing uses a minimum duration of one month.

### Disk space for your jobs

_The following applies to Batch compute environments using Amazon Linux 2 (AL2)
[ECS-optimized AMIs][], which is the default for new compute environments. If
you're using older compute environments with Amazon Linux 1 (AL1) AMIs, either
upgrade or see previous versions of this document. If you're using custom
AMIs, you can probably find your own way._
_The following applies to Batch compute environments using Amazon Linux 2023
(AL2023) [ECS-optimized AMIs][], which is the default for new compute
environments. If you're using older compute environments with Amazon Linux 2
(AL2) or Amazon Linux 1 (AL1) AMIs, either upgrade or see previous versions of
this document. If you're using custom AMIs, you can probably find your own
way._

By default, your Batch jobs will have access to ~28 GiB of shared space. This
is enough for many Nextstrain builds, but the [SARS-CoV-2 build][] is the
Expand All @@ -395,8 +396,8 @@ AWS Console, although you can also do it on the command-line.
Give your launch template any name.

Under the "Storage" section, add a new volume with EBS storage type. Specify a
custom device device name of `/dev/xvda`, a volume size you want (e.g. 200 GiB),
and a volume type of `gp3`. Make sure that the volume is marked for deletion on
custom device name of `/dev/xvda`, a volume size you want (e.g. 200 GiB), and a
volume type of `gp3`. Make sure that the volume is marked for deletion on
termination, or you'll end up paying for old volumes indefinitely! This sets
the size of the shared volume available to all containers on a single EC2
instance.
Expand Down Expand Up @@ -453,7 +454,7 @@ following user data blob to your launch template to configure them:
"$0" init
fi

yum install -y nvme-cli jq lvm2
dnf install -y nvme-cli jq lvm2

declare -a instance_devices ebs_devices

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