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Merge pull request #214663 from alfpark/patch-26
Update low-priority-vms-retirement-migration-guide.md
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articles/batch/low-priority-vms-retirement-migration-guide.md

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@@ -24,7 +24,7 @@ Only low-priority compute nodes in Batch are being retired. Spot compute nodes w
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## Alternative: Use Azure Spot-based compute nodes in Batch pools
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As of December 2021, Azure Batch began offering Spot-based compute nodes in Batch. Like low-priority VMs, you can use spot instances to obtain spare capacity at a discounted price in exchange for the possibility that the VM will be preempted. If a preemption occurs, the spot compute node will be evicted and all work that wasn't appropriately checkpointed will be lost. Checkpointing is optional and is up to the Batch end-user to implement. The running Batch task that was interrupted due to preemption will be automatically requeued for execution by a different compute node. Additionally, Azure Batch will automatically attempt to seek back to the target preempted node count as specified on the pool.
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As of December 2021, Azure Batch began offering Spot-based compute nodes in Batch. Like low-priority VMs, you can use spot instances to obtain spare capacity at a discounted price in exchange for the possibility that the VM will be preempted. If a preemption occurs, the spot compute node will be evicted and all work that wasn't appropriately checkpointed will be lost. Checkpointing is optional and is up to the Batch end-user to implement. The running Batch task that was interrupted due to preemption will be automatically requeued for execution by a different compute node. Additionally, Azure Batch will automatically attempt to seek back to the target Spot node count as specified on the pool.
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See the [detailed breakdown](batch-spot-vms.md) between the low-priority and spot offering in Batch.
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1. Select **Save**.
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You can't use spot VMs in Batch managed mode. Instead, switch to user subscription mode and re-create the Batch account, pool, and jobs.
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## FAQs
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- How do I create a user subscription pool allocation Batch account?

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