[Test] Stabilize test_proxy - #7558
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gmarciani merged 4 commits intoAug 14, 2026
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Fractional-GPU instances require the NVIDIA GRID/vGPU driver. ParallelCluster installs the data-center driver instead, so it cannot bind to the vGPU and cluster creation fails.
1. use dynamic capacity reservation to reduce the risk of ICE. 2. reduce the number of compute nodes to the strictly required ones. 3. reduce the risk of dpkg locking failure by disabling boot-time apt jobs.
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August 13, 2026 21:55
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| - regions: [{{ c5_xlarge_CAPACITY_RESERVATION_4_INSTANCES_2_HOURS_NOPG_OS_X86_6 }}] | ||
| instances: ["c5.xlarge"] |
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We don't need this change. As long as the availability zone is aligned, the test framework make capacity reservation automatically for smaller instance types like .xlarge
See the PR description here #7461
hanwen-cluster
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Aug 14, 2026
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Description of changes
Stabilize test_proxy.
1. use dynamic capacity reservation to reduce the risk of ICE.
2. reduce the number of compute nodes to the strictly required ones.
3. reduce the risk of dpkg locking failure by disabling boot-time apt jobs.
Tests
SUCCESS
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